Posts

Using flash heating to recycle automotive components into high-value graphene

https://techxplore.com/news/2022-05-recycle-automotive-components-high-value-graphene.html "flash Joule heating produced graphene substantial reduction in energy, greenhouse gas emissions, and water... 60 pounds polyurethane foam in vehicles, with 2 pounds graphene-reinforced... When we got the graphene back from Rice, we incorporated it into our foam in very small quantities and saw significant improvement," he said. "It exceeded our expectations in providing both excellent mechanical and physical properties for our applications" Related: Rice flashes new life into lithium-ion anodes https://news.rice.edu/news/2022/rice-flashes-new-life-lithium-ion-anodes Scientists develop method to turn plastic waste into potentially valuable soil additive https://techxplore.com/news/2023-01-scientists-method-plastic-potentially-valuable.html Foams used in car seats and mattresses are hard to recycle—a new plant-based version avoids polyurethane's health risks https://phys.or...

New route to build materials out of tiny particles

https://phys.org/news/2022-05-route-materials-tiny-particles.html "complex colloidal structures on demand... basic ability to pre-assemble identical pieces from different building blocks, and have them make the same structure, or to take the same building block and pre-assemble different pieces that make different structures, are really the basic 'chess moves' for engineering complex structures... density of structure... lower than density of structure by using the starting building blocks"

New light-powered catalysts could aid in manufacturing

https://phys.org/news/2022-05-light-powered-catalysts-aid.html "embed the dyes that make up homogenous catalysts into a solid polymer. For this application, the researchers adapted a plastic-like polymer with tiny pores that they had previously developed for performing gas separations. In this study, the researchers demonstrated that they could incorporate about a dozen different homogenous catalysts into their new hybrid material, but they believe it could work more many more... recyclability and durability heterogeneous catalysts" Related: Tens of thousands of potential catalysts in the diameter of a single hair https://phys.org/news/2023-01-tens-thousands-potential-catalysts-diameter.html Material with molecular trapdoor holds promise for highly selective gas adsorption https://phys.org/news/2024-07-material-molecular-trapdoor-highly-gas.html Scientists develop new light-powered enzymes to make chemistry cleaner and greener https://phys.org/news/2025-05-scientists-powered-...

Moore’s Law is all but dead. This new transistor design could keep it alive and reshuffle the industry.

https://www.protocol.com/enterprise/intel-tsmc-samsung-new-gates "more tightly control flow of electricity received by each transistor... substantially more computing horsepower every year... making already atomic-sized features even smaller... extreme ultraviolet lithography machines and techniques... Process nodes are just one measure of the progress... even more important is the design of the transistors themselves, and not just the process node. To that end, Intel and others have been advancing the design of the transistors, particularly in the way the gates are designed" Related: Intel's glass substrate promises 1T transistors by 2030 https://interestingengineering.com/innovation/intels-glass-substrate-1t-transistors

New process revolutionizes microfluidic fabrication

https://phys.org/news/2022-05-revolutionizes-microfluidic-fabrication.html "light-sensitized common polymers and micro-LED light sources... self-enclosed, porous, high-resolution channels carrying aqueous solutions and separating small biomolecules... photolithography technique... display structural color linked to pore size... allow patients to monitor vital health markers wearing small patch... relevant biomolecules such as insulin and the SARS-COV2 shell protein were compatible with our channels. I think that diagnostic devices are a promising future for this technology" Related: Chemists pioneer responsive polymers that heat up when exposed to LED light https://phys.org/news/2023-01-chemists-responsive-polymers-exposed.html

British developer gets green light for 200 MW battery

https://www.pv-magazine.com/2022/05/26/british-developer-gets-green-light-for-200-mw-battery/ "replace local grid services due to be lost when the Heysham 1 and 2 nuclear reactors are decommissioned, in 2024 and 2028... battery will be installed landing site wind farms one of largest in Europe... GBP 1 billion ($1.25 billion) spent in last year curtailing energy from wind farms.. site would also provide inertia and reactive power support grid services, the need for which will be more acute after the nearby nuclear reactors are shuttered... developing a 500 MW pipeline of UK energy storage projects" Related:  Toyota Releases Storage Battery System for Residential Use Based on Electrified Vehicle Battery Technology http://crweworld.com/article/news-provided-by-jcn-newswire/2406665/toyota-releases-storage-battery-system-for-residential-use-based-on-electrified-vehicle-battery-technology#

A heteropoly acid negolyte that could enhance the performance of aqueous redox flow batteries at low temperatures

https://techxplore.com/news/2022-05-heteropoly-acid-negolyte-aqueous-redox.html "evaluated heteropoly acid negolytes... high electron solubility, a high conductivity, a low freezing point and high redox kinetics. These qualities are all highly advantageous for the fabrication of ARBSs with a high power density that can operate at low temperatures. Using a 0.5 M HPOM electrolyte, the ARFBs demonstrate power density (282.4 mW cm−2 ) and stability (79.6 Ah l−1 negolyte at 160 mA cm−2 over 1,200 h without decay) at −20 °C, showing promising application potential under cold weather conditions" Related: Chilling conquest: Aqueous batteries get a sun-powered warm-up https://www.eurekalert.org/news-releases/1063850 Lithium-ion battery technology that reduces charging times by up to five times in cold weather https://www.sustainability-times.com/energy/we-finally-cracked-the-cold-engineers-unveil-breakthrough-that-makes-evs-charge-6x-faster-in-freezing-temperatures/

Diamond mirrors for high-powered lasers

https://phys.org/news/2022-05-diamond-mirrors-high-powered-lasers "10-kilowatt laser focused down into a 750-micron spot on a 3-by-3-millimeter diamond, which is a lot of energy focused down on a very small spot, and we didn't burn it," said Atikian. "This is important because as laser systems become more and more power hungry, you need to come up with creative ways to make the optical components more robust"

Size effect of AlGaInP red micro-LEDs on silicon substrate

https://phys.org/news/2022-05-size-effect-algainp-red-micro-leds.html "size effect of aluminum gallium indium phosphide (AlGaInP) red Micro-LEDs on silicon substrate. The researchers adopted a low-damage etching formula and silicon substrates with better heat dissipation to avoid the light absorption properties of GaAs substrates. Experimental results show that smaller micro-LEDs have smaller leakage current and larger series resistance and can withstand higher current density without the current crowding effect" Related: Researchers develop approach that can enable inexpensive mass manufacturing of micro-LED displays https://techxplore.com/news/2023-07-approach-enable-inexpensive-mass-micro-led.html

Novel scheme for logic operations running at 1 Tb/s

https://techxplore.com/news/2022-05-scheme-logic-tbs.html "In the QDSOAs-TS-MZI architecture, a pair of identical QD-SOAs are cascaded and separated by optical bandpass filters in each interferometric branch. The serially inserted DI, on the other hand, adds a phase difference to the direct and delayed copies of the incoming switched signal. This in turn further enhances the switching performance and speed of the formed logic gates"

Scientists can now grow wood in a lab without cutting a single tree

  https://interestingengineering.com/lab-grown-wood "extracted cells from leaves flowering plant... stored liquid medium... treated... gel-based medium enriched with nutrients and hormones.... gave rise to new plant cells... by changing hormonal concentration in gel medium... control physical and mechanical properties... plant material that contained high hormone concentrations turned stiff... 3D print custom-designed structures... For three months lab-printed plant material was incubated in dark... grow at a rate twice that of a regular tree"

Electrode design paves way for better biofuel cells, electrochemical devices

https://phys.org/news/2022-05-electrode-paves-biofuel-cells-electrochemical.html "Amphiphilic assembled multilayers composed of glucose oxidases in aqueous media and hydrophobic/conductive nanoparticles in nonpolar media were deposited onto cotton fiber/textile to form the anode, which has notably increased electron transfer efficiency and immobilization stability. The cathode was formed by sputtering platinum onto the gold nanoparticle-coated cotton fibrils to improve the efficiency of the oxygen reduction reaction" Related: A protective layer applied to gold nanoparticles can boost its resilience https://phys.org/news/2024-02-layer-gold-nanoparticles-boost-resilience.html Cemvita Achieves Breakthrough in SAF Feedstock Production https://nz.finance.yahoo.com/news/cemvita-achieves-breakthrough-saf-feedstock-121000729.html Study shows how organic molecules impact gold nanoparticles' electrochemical properties https://phys.org/news/2024-07-molecules-impact-gold-nanoparticle...

A new battery design could last for an entire 100 years

https://interestingengineering.com/batteries-could-last-100-years "battery with less energy density would need a larger battery pack to traverse a given distance. Conversely, a battery with higher energy density would occupy less space in the car while also addressing range anxieties associated with electric vehicles... fossil fuels highest energy density... man-made battery packs are less than a hundred times as energy-dense as fossil fuels... superior to the li-ion cells in use... higher durability than li-ion batteries... 25 degrees at all times... exceed 100 years... low or no cobalt" Related: Tesla battery research group unveils paper on new high-energy-density battery that could last 100 years https://electrek.co/2022/05/24/tesla-battery-research-paper-high-energy-density-battery-last-100-years/ Tesla Has Achieved A Significant Milestone With Its 4680 Battery Cell https://afronomist.com/tesla-has-achieved-a-significant-milestone-with-its-4680-battery-cell/ Tesla's n...

A new conducting polymer complex to create stable and fully printable organic solar cells

https://techxplore.com/news/2022-05-polymer-complex-stable-fully-printable.html "dispersed in both water and alcohols... perfluorinated sulfuric acid ionomers as counterions... ionomers dispersed in both water and alcohol... efficiency and stability.... opportunity fabricate optoelectronic devices with new architectures... excellent wetting properties and low acidity. organic photovoltaics printed in full, from bottom to top electrode... power conversion efficiency 15% remarkably retained 83% initial efficiency under continuous illumination at maximum power point tracking total 1,330 hours"

One step closer to making terahertz technology usable in the real world

https://phys.org/news/2022-05-closer-terahertz-technology-usable-real.html "new physical effect when two-dimensional electron systems are exposed to terahertz waves... distinguish medicines from illegal drugs and explosives... faster wireless communications beyond the state-of-art... high frequencies, matter absorbs light in photons... release electrons by incident photons... three-dimensional case, electrons... expelled into vacuum by photons in ultraviolet or X-ray range, or released into a dielectric in mid-infrared to visible range... terahertz detectors with substantially higher sensitivity" Related: Chip-scale Floquet topological insulators to enhance 5G wireless communications https://phys.org/news/2022-05-chip-scale-floquet-topological-insulators-5g.html Thickness Monitoring for Process and Quality Control https://lunainc.com/solution/thickness-monitoring Topologically tuned terahertz on a nonlinear photonic chip https://phys.org/news/2022-06-topologically-tuned-terah...

Demonstrating significant energy savings using neuromorphic hardware

https://techxplore.com/news/2022-05-significant-energy-neuromorphic-hardware.html "Up to sixteen times more energy-efficient than non-neuromorphic hardware... four to sixteen times more energy-efficient than AI models on conventional hardware... further efficiency gains... migrated to the next generation Loihi hardware, improves performance chip-to-chip communication... neuromorphic technology can improve the energy efficiency of today's deep learning workloads by re-thinking their implementation from the perspective of biology"

Exploring a new avenue for the manufacture of magnesium batteries to complement lithium models

https://techxplore.com/news/2022-05-exploring-avenue-magnesium-batteries-complement.html "magnesium batteries with manganese compound increased capacities up to 3.1 volts, which means that their energy density, at the laboratory scale, is 335 Wh/kg, representing 60% of lithium-ion batteries' energy density. This is a breakthrough, as in previous studies a maximum of 2.2 volts was never exceeded. However, they also found that in charging and discharging cycles the batteries saw their initial capacity cut in half. As Ortiz argues, "with new scientific strategies, the initial capacity might be recovered" Related: New method stabilizes rhombohedral sodium manganese hexacyanoferrates for high-energy Na-ion batteries https://phys.org/news/2023-02-method-stabilizes-rhombohedral-sodium-manganese.html

Developing next-generation superconducting cables

https://phys.org/news/2022-05-next-generation-superconducting-cables.html "cables smaller, lower weight and lower volume... These are very efficient power cables, and this research is focused on improving efficiency and practicality needed to achieve the promise of next-generation superconductor technology... helium remains a gas in a wider range of temperatures than other mediums. Liquid nitrogen, for example, isn't a suitable cooling medium for some applications, and this research moves superconducting technology closer to practical solutions for those scenarios" Related: Study uncovers how structural changes affect the superconducting properties of a metal oxide https://phys.org/news/2022-06-uncovers-affect-superconducting-properties-metal.html

Tesla battery research group unveils paper on new high-energy-density battery that could last 100 years

https://electrek.co/2022/05/24/tesla-battery-research-paper-high-energy-density-battery-last-100-years/   "Single crystal Li[Ni0.5Mn0.3Co0.2]O2//graphite (NMC532) pouch cells with graphite operation 3.80 V (rather than ≥4.2 V) cycled charging either 3.65 V or 3.80 V comparison LiFePO4//graphite (LFP) pouch cells... NMC532 cells, sufficient graphite 3.80 V, energy density exceeds LFP cells and cycle-life greatly exceeds LFP cells 40 °C, 55 °C and 70 °C... electrolytes that contain lithium bis(fluorosulfonyl)imide (LiFSI) salt, well beyond those provided by conventional LiPF6 electrolytes" Related: New strategies to accelerate application of lithium-rich Mn-based cathode https://phys.org/news/2022-10-strategies-application-lithium-rich-mn-based-cathode.html LFP batteries are gaining popularity in the electric car sector https://biggrow.org/lfp-batteries-are-gaining-popularity-in-the-electric-car-sector/ Tesla’s Battery Breakthrough: How Maxwell Technologies Could Revolutionize ...

High-performance heaters based on nanoscale-thick graphite films

https://phys.org/news/2022-05-high-performance-heaters-based-nanoscale-thick-graphite.html "NGFs on flexible Kapton sheets and applied gold electrodes... heater performance... superior previously reported nanocarbon heaters. Applying less than 8 volts, hit target temperature 300 degrees C within seconds. Cooling equally rapid... stability and showed NGF... external reusable patch boil water... double maximum temperature nanocarbons (with roughly half power input)... miniature heaters for sensors or microfluidic devices to industrial-scale heaters, such as aviation defoggers or space heat regulators"

Manufacturers getting to grips with airless tires

https://techxplore.com/news/2022-05-airless-tyres.html "maintenance-free and long-lasting airless tire by end decade... skeptical airless tires will ever offer comparable shock absorption as traditional tires and noise reduced sufficiently... If rolling resistance is reduced by 50 percent, it would increase the range of vehicles by 25 percent, and could be extremely valuable for car manufacturers, particularly for electric vehicles where range is a key concern" Related: The Future of Cycling: Airless Tires Made with NASA Technology https://www.cortexreport.com/future-cycling-airless-nasa-tires/ There are 1.5 billion tires wasted annually. There's a better way to recycle them https://techxplore.com/news/2024-01-billion-annually-recycle.html SunMoney Solar Group Introduces World's First Zero Emission Tire Recycling Solution https://www.sustainabilitymenews.com/waste-management/sunmoney-solar-group-introduces-worlds-first-zero-emission-tire-recycling-solution Innovative ...

Custom 'headphones' boost atomic radio reception 100-fold

https://phys.org/news/2022-05-custom-headphones-boost-atomic-radio.html "loop captures the incoming magnetic field, creating a voltage across the gaps... large electromagnetic field is developed across the gap... loop and gap sizes determine the natural, or resonant, frequency of copper structure... gap over 10 mm, limited by outside diameter available vapor cell... commercial mathematical simulator determine loop size needed... resonant frequency near 1.312 gigahertz... Rydberg atoms switch between energy levels... signal could be 130 times stronger... measured result hundredfold"

Unique quantum material could enable ultra-powerful, compact computers

https://phys.org/news/2022-05-unique-quantum-material-enable-ultra-powerful.html "electric field to study CrSBr layers across different electron densities, magnetic fields, and temperatures—different parameters adjusted to produce different effects,,, properties in CrSBr changed, so did magnetism. Semiconductors tunable electronic properties. Magnets tunable spin configurations. In CrSBr, two knobs are combined. Magnetism is difficult property measure directly... size of material shrinks, but  easy measure electrons move with  parameter called resistance"

Long-hypothesized 'next generation wonder material' created for first time

https://phys.org/news/2022-05-long-hypothesized-material.html "Creating graphyne is a "really old, long-standing question, but since the synthetic tools were limited, the interest went down... alkyne metathesis... organic reaction entails redistribution, or cutting and reforming, of alkyne chemical bonds (a type of hydrocarbon with at least one carbon-carbon triple covalent bond)—as well as thermodynamics and kinetic control, the group was able to successfully create what had never been created before: A material that could rival the conductivity of graphene but with control"

Researchers demonstrate organic crystals can serve as energy converters for emerging technologies

https://phys.org/news/2022-05-crystals-energy-emerging-technologies.html "Unlike traditional materials silicon- or silica-based, and stiff, heavy and brittle...future electronics soft and organic... lightweight, resilient to damage, efficient in performance, and added mechanical flexibility and ability operate sustainably, minimal consumption energy. The results of this study have demonstrated, for the first time, that certain organic crystalline materials meet the needs of these technologies, and can be used in applications such as soft robotics, artificial muscles, organic optics, and organic electronics"

Integrated optimal design method of complex electromechanical systems

  https://techxplore.com/news/2022-05-optimal-method-complex-electromechanical.html "structured optimal control method based on parameter space optimization... parameter space including the system state and control input designed... constraint supplementary logic was improved for iterative dual-simplex linear programming algorithm... allows generation multiple cutting planes at  single iteration, improves calculation efficiency... proposed structured control... great potential in the integrated optimal design of rigid-flexible coupling systems, redundant drive systems and underactuated systems"

UK startup develops Brayton pumped thermal tech for renewables storage

https://www.pv-magazine.com/2022/05/19/uk-startup-develops-brayton-pumped-thermal-tech-for-renewables-storage/ "argon flows through interstitial spaces between material, in opposite direction to material motion, with material getting progressively hotter, and gas getting progressively cooler... thermal storage material exits heat exchanger, depressurized by second lock-hopper and sent to hot-side storage silo... leaves hot-side heat-exchanger and enters the expander where it drops pressure and temperature, recovered mechanical energy offsetting some of energy used by compressor...  unlimited in size and energy storage capacity" Related: Berlin preps 'huge thermos' to help heat homes this winter https://abcnews.go.com/International/wireStory/berlin-prepares-huge-thermos-heat-homes-winter-86001074#:

Researchers unveil a secret of stronger metals

https://phys.org/news/2022-05-unveil-secret-stronger-metals.html "grains forming down to nanometer scale... nano-twinning assisted recrystallization... part of crystalline structure flips orientation... could increase metal's strength tenfold... wide range of imaging and measurements to the exact same particles and impact sites... end up getting a multimodal view. We get different lenses on the same exact region and material, and when you put all that together, you have just a richness of quantitative detail about what's going on that a single technique alone wouldn't provide" Related: Scientists discover toughest known material at ultra-cold temperatures https://techxplore.com/news/2023-02-scientists-toughest-material-ultra-cold-temperatures.html Electrospun short nylon 6 nanofibers to improve damage resistance of carbon composites https://phys.org/news/2023-03-electrospun-short-nylon-nanofibers-resistance.html Research team develops process for bio-based nylon h...

A step towards cheaper solar power

https://techxplore.com/news/2022-05-cheaper-solar-power.html "newest organic solar materials (named Y6) electrons freed after being excited by light. Y6 were in fact behaving completely differently than expected, researchers led by Dr. Mike Price, Dr. Paul Hume and Prof Justin Hodgkiss conducted a comprehensive series of laser spectroscopy measurements and theoretical calculations. Their work sparks an entirely new direction for the large field of organic solar panel research, letting researchers move beyond the "bound," or "stuck" electron paradigm of the last 30 years"

A new solution to cool electronic devices and prevent them from overheating

https://techxplore.com/news/2022-05-solution-cool-electronic-devices-overheating.html "heat spreaders electrical insulating layer of poly (2-chloro-p-xylylene) (Parylene C) and coating copper... comprised of materials with a high-thermal conductivity, such as copper and aluminum. These systems can spread the heat generated by the devices across a larger surface area, making it easier for them to dissipate heat into the surrounding environment... advantage conformal coating heat spreaders cover electronic device entirely"

At Google’s new campus, ‘dragonscale’ solar panels capture sunlight from all different angles

https://www.fastcompany.com/90752589/at-googles-new-campus-dragonscale-solar-panels-capture-sunlight-from-all-different-angles "covered in 50,000 small, silver-colored “dragonscale” photovoltaic panels, shaped to optimize the times  generate solar power throughout day.... covers more than a million square feet... designed to save water... massive geothermal system... heat and cool buildings... clerestory windows that give employees views of nature from their desks, and maximizing the amount of water that can be captured and stored when it rains for later use in irrigation. The curved shape also helps capture sunlight on solar panels" Related: Insights from satellite data pave the way to better solar power generation https://techxplore.com/news/2024-08-insights-satellite-pave-solar-power.html Goodbye to rectangle panels — Petal-shaped PV fits curved roofs https://www.ecoticias.com/en/goodbye-rectangle-panels-petal-shaped/16916

Making advanced electronics with water

https://techxplore.com/news/2022-05-advanced-electronics.html "crystals produced via this approach were coupled with back-contact electrodes through nanofabrication to create X-ray detection devices... compared them with commercial X-ray detectors as well as other types of perovskites and we do have a very good responsivity and sensitivity to X-rays. Overall this project shows that we have found a smart way to control inorganic perovskite single crystals. flexible and feasible and doesn't require a very unique environment or technique to apply it"

Laser annealing transmon qubits for high-performance superconducting quantum processors

https://phys.org/news/2022-05-laser-annealing-transmon-qubits-high-performance.html "frequency tuning with 27-qubit Falcon processor predict frequency... tuned targets prevent radiative qubit relaxation. After completing the LASIQ process, they cooled the quantum processor and screened for coherence and single or two-qubit gate fidelity, as well as quantum volume assessment... analyzed large sample 390 tuned qubits... successfully tuned target tuning success rate of 89.5 percent .. LASIQ provided viable post-fabrication trimming process high yield scaling fixed frequency transmon processors"

Spin keeps electrons in line in iron-based superconductor

https://phys.org/news/2022-05-electrons-line-iron-based-superconductor.html "measured detwinned BaFe2As2, anisotropic spin-structure and long-range magnetic order... spin excitation response... two orthogonal directions showed asymmetry: nematicity... detwinned FeSe... strong spin anisotropy with respect to the two axes... spin anisotropy comparable to already highly anisotropic BaFe2As2,.. spin anisotropy decreases with increasing temperature, and disappears around nematic transition temperature—the temperature at which the material ceases to be in an electronic nematic state"

A new underwater greenhouse could reveal the future of agriculture

https://interestingengineering.com/nemos-garden-underwater-greenhouse-agriculture "utilize ocean's favorable environmental qualities like temperature stability, CO2 absorption, and natural pest control... More than hundred different plants taken root ranging from medicinal and aromatic herbs to food like salad greens, beans, and strawberries. They have not only successfully harvested a range of crops from the biospheres, but they have also determined that the plants produced in this environment were reportedly richer in nutritional content than those grown using traditional methods" Related: Engineers design solar roofs to harvest energy for greenhouses https://techxplore.com/news/2023-03-solar-roofs-harvest-energy-greenhouses.html Insolight's energy system protects crops while generating power, and it could transform the grid https://www.thecooldown.com/green-tech/insolight-agrivoltaics-sustainable-farming-plans-leuggern/

Meet Altos Labs, Silicon Valley's latest bet on living forever

https://www.technologyreview.com/2021/09/04/1034364/altos-labs-silicon-valleys-jeff-bezos-milner-bet-living-forever/ "with the addition of just four proteins, now known as Yamanaka factors, cells can be instructed to revert to a primitive state with the properties of embryonic stem cells. By 2016, Izpisúa Belmonte’s lab had applied these factors to entire living mice, achieving signs of age reversal and leading him to term reprogramming a potential elixir of life... some mice developed ugly embryonic tumors called teratomas, even as others showed signs their tissues had become younger." Related: Scientists unveil stem cell research breakthrough http://global.chinadaily.com.cn/a/202206/25/WS62b64297a310fd2b29e687b4.html

Researchers create photonic materials for powerful, efficient light-based computing

https://phys.org/news/2022-05-photonic-materials-powerful-efficient-light-based.html "laser etched chained, honeycombed design onto sample silica... modulate current without bending or stretching photonic wires... overcomes drawbacks of contemporary topological designs... supporting much longer propagation lengths for information packets by minimizing power losses... introduced by the bimorphic topological insulators will lead to a departure from traditional modulation techniques, bringing the technology of light-based computing one step closer to reality"

Our Reality May Only Be Half of a Pair of Interacting Worlds

https://scitechdaily.com/our-reality-may-only-be-half-of-a-pair-of-interacting-worlds/ "two interacting worlds with large cosmological constants could override expected behavior from individual cosmological constants... interactions produce behaviors governed by shared effective cosmological constant that is much smaller than individual constants... Each of these worlds is complete world by our normal standards... suggests two worlds could explain small cosmological constant and provides details about how bi-world imprint distinct signature on cosmic background radiation"

Small microring array enables large complex-valued matrix multiplication

https://phys.org/news/2022-05-small-microring-array-enables-large. "photonic complex matrix-vector multiplier chip support arbitrary large-scale and complex-valued matrix multiplications... breaks bottleneck traditional non-coherent optical computing schemes... enables artificial intelligence applications... Walsh transforms and image convolutions. Their idea is to design matrix decomposition and matrix partitioning intelligent algorithms for the microring array architecture to extend matrix multiplications from the real to the complex domain and from small scale to large scale"

New silicon nanowires can really take the heat

https://phys.org/news/2022-05-silicon-nanowires.html "natural silicon and silicon-28 nanowires just 90 nanometers... suspended each nanowire between two microheater pads outfitted with platinum electrodes and thermometers... applied electrical current... conducted heat 150% better than natural silicon... glass-like layer of silicon dioxide on the silicon-28 nanowire surface... absence of isotope defects silicon-29 and silicon prevented phonons from escaping to the surface, where the silicon dioxide layer would drastically slow down the phonons" Related: Versatile nanothermometer enables real-time material structure and temperature observation https://phys.org/news/2025-01-versatile-nanothermometer-enables-real-material.html

Next generation lithium-sulfur battery solves the loss of sulfur problem

  https://techxplore.com/news/2022-05-lithium-sulfur-battery-loss-sulfur-problem "considered to have the world's highest energy density of 400Wh/kg. Chances of commercialization of lithium-sulfur battery are high with the combination of its high energy density, performance safety (longevity), flexibility (duration) with the existing benefits including lightweight and low cost. Specifically, it is expected that lithium-sulfur batteries will be largely used in the area of future aviation mobility that requires lightweight and long duration including aerospace, flying car, drone, etc" Related: Breakthrough in Cathode Chemistry Clears Path for Lithium-Sulfur Batteries' Commercial Viability https://drexel.edu/news/archive/2022/february/lithium-sulfur-cathode-carbonate-electrolyte Scientists Accidentally Discover The Key Component For Everlasting Batteries https://www.youtube.com/watch?v=ln5u-DETWS0&t=388s New energy-dense lithium-sulfur battery works at extreme tempera...

On-chip photodetection: Two-dimensional material heterojunctions

https://phys.org/news/2022-05-on-chip-photodetection-two-dimensional-material-heterojunctions.html "2D layered structure and no dangling bonds, stack 2D materials with different properties in different orders by "stacking wood" form van der Waals heterostructures atomically flat interfaces... arbitrary combination van der Waals heterojunctions... advantages properties of single material, generate novel properties, achieving leap of 1+1>2... full use of natural p-doped BP and n-doped MoTe2 for hetero-stacking, and successfully fabricated an efficient van der Waals PN heterojunction"

Hidden distortions trigger promising thermoelectric property

https://www.bnl.gov/newsroom/news.php?a=119576 "compared silver and copper atoms a difference in the arrangement of electrons... silver weaker bonds than copper... silver move closer to two of four... bonding electrons pull silver atom off center, triggering twisting, shrinkage, and vibrational changes lower thermal conductivity in AgGaTe2... can be used to engineer, or look for, other new materials that have this type of behavior for future high-performance thermoelectrics" Related: UK startup develops Brayton pumped thermal tech for renewables storage https://www.pv-magazine.com/2022/05/19/uk-startup-develops-brayton-pumped-thermal-tech-for-renewables-storage/

Electronics can grow on trees thanks to nanocellulose paper semiconductors

https://resou.osaka-u.ac.jp/en/research/2022/20220427_1 "treatment process heat nanopaper without damaging paper from nanoscale to macroscale... origami (paper folding) and kirigami (paper cutting) techniques to provide playful examples nanopaper at macrolevel... semiconductor sensors incorporated into wearable devices detect exhaled moisture breaking through facemasks and moisture on skin... sustainable electronics made entirely from plant materials" Related: Engineers use kirigami to make ultrastrong, lightweight structures https://techxplore.com/news/2023-08-kirigami-ultrastrong-lightweight.html Laser-patterned thin films that swell into kirigami-like structures offer new opportunities in hydrogel technology https://phys.org/news/2024-04-laser-patterned-thin-kirigami-opportunities.html Scientists convert bacteria into efficient cellulose producers https://phys.org/news/2024-07-scientists-bacteria-efficient-cellulose.html

The Hydrogen Stream: Carbon-coated nickel anode to solve problems of hydrogen fuel cell without precious metals

https://www.pv-magazine.com/2022/05/13/the-hydrogen-stream-carbon-coated-nickel-anode-to-solve-problems-of-hydrogen-fuel-cell-without-precious-metals/ "reduction hydrogen delivery price, an increase renewable electricity generation, and hydrogen storage solutions necessary conditions under which steel produced economically from iron ore using hydrogen from renewable energy sources... end consumers should receive significant financial support till production costs fall, unless they are willing to pay green premium. When using solar PV exclusively for hydrogen production, the required electrolysis power would grow to around 4.5-5 GW" Related: WATT fuel cell achieves cell technology milestone representing major efficiency gain and carbon dioxide reduction in its residential systems https://www.altenergymag.com/news/2022/05/19/watt-fuel-cell-achieves-cell-technology-milestone-representing-major-efficiency-gain-and-carbon-dioxide-reduction-in-its-residential-systems/37312 Solar hy...

A metasurface-based light-to-microwave transmitter for hybrid wireless communications

https://phys.org/news/2022-05-metasurface-based-light-to-microwave-transmitter-hybrid-wireless.html "optically programmed time-varying metasurface... real-time microwave manipulation by time-varying light signal... direct light-to-microwave signal conversion... FDM using dispersion response of metasurface achieving dual-channel data transmissions.. dual-channel hybrid... two different videos can be transferred from optical transmitter to microwave receiver simultaneously and independently... could be used for some typical applications where the two different communication links are required"

Terahertz near-field microscopy based on an air-plasma dynamic aperture

https://phys.org/news/2022-05-terahertz-near-field-microscopy-based-air-plasma.html "In this THz near-field technique, a cross-filament was formed by two cross air-plasmas, which opened a dynamic aperture to modulate the intensity of a THz beam on a sample surface. When the cross-filament was close enough to the sample surface, THz imaging with the resolution of tens of microns was fulfilled. Taking advantages of this technique, the limitation of the sample choice was effectively removed in traditional THz near-field imaging and sample damage from the cross-filament was minimized"

REC launches new world’s highest-power solar panel for residential installations with G12 HJT cells

https://www.azocleantech.com/news.aspx?newsID=31684 "30 Wp in compact panel... 1.93 m²... power density  223 W/m2... 80 half-cut HJT cells... gapless cell layout... high efficiency and long-lasting performance... efficiently even on hotter days, generating more energy for households. This makes it ideal for warmer climates, or for generating as much energy as possible on sunny days. REC’s iconic 30 mm frame with its two support bars, make the panel robust enough to withstand heavy loads – up to 7,000 Pascal snow load and up to 4,000 Pascal wind load"

New transistors integrating high-k perovskite oxides and 2D semiconductors

https://techxplore.com/news/2022-05-transistors-high-k-perovskite-oxides-2d.html "successfully circumvented limitations in integration of high-κ perovskite oxide and 2D semiconductors...  enable almost unlimited combinations of materials... interface between transferred high-k perovskite oxides and MoS2 of high quality,..  fabricate field-effect transistors with abrupt subthreshold slopes... high performing and low-power complementary metal-oxide-semiconductor inverter circuits... could be manufactured on large scale... logic circuits and microchips with lower power consumption" Related: Probing the crucial charge carrier transfer processes and dynamics within perovskite active layers https://phys.org/news/2022-06-probing-crucial-carrier-dynamics-perovskite.html New additives to perovskite tandem solar cells boost efficiency, stability https://techxplore.com/news/2022-06-additives-perovskite-tandem-solar-cells.html Once seen as fleeting, a new solar tech proves its lasting po...

More efficient optical quantum gates

https://phys.org/news/2022-05-efficient-optical-quantum-gates.html "two steps: first photon, introduced into resonator and stored... second photon entered the setup and reflected from resonator mirrors... both photons left quantum gate... atoms in resonator that are inflated... make it possible... photons to have a sufficiently strong effect on each other. This, however, initially only causes a phase shift. In addition, the light is split into different paths that are later superimposed. Only the quantum mechanical interference during this superposition turns the phase shift into a quantum gate" Related: Unusual quantum state of matter observed for the first time https://phys.org/news/2022-05-unusual-quantum-state.html Quantum one-way street in topological insulator nanowires https://phys.org/news/2022-05-quantum-one-way-street-topological-insulator.html Revolutionary New Qubit Platform Could Transform Quantum Computing https://scitechdaily.com/revolutionary-new-qubit-platfor...

Development of a novel large-scale manufacturing technology for sulfide solid electrolytes

https://phys.org/news/2022-05-large-scale-technology-sulfide-solid-electrolytes.html "generated S3・- attacks P2S5, breaking cage structure of P2S5 and causing reaction to progress... final product, Li7P3S11, could be prepared in two hours without ball milling or high energy treatment... ion conductivity of Li7P3S11 using this method was 1.2 mS cm-1 at 25 °C, higher than the Li7P3S11 synthesized using conventional liquid-phase synthesis method (0.8 mS cm-1) or ball milling (1.0 mS cm-1)... synthesis of sulfide solid electrolyte and achieves large-scale manufacturing technology... low cost" Related: Study shows similarity between solid state and liquid state electrolytes used in batteries https://techxplore.com/news/2023-05-similarity-solid-state-liquid-electrolytes.html

Towards more efficient, non-toxic, and flexible thin-film solar cells

https://techxplore.com/news/2022-05-efficient-non-toxic-flexible-thin-film-solar.html "developed method manages to do away with cadmium, making the solar cells eco-friendly. "In the conventional process, cadmium is deposited on the CIGSSe layer via a chemical bath deposition process. By eliminating this step, we have created a completely dry manufacturing process that generates less waste," explains Prof. Chantana. Moreover, the process is also cost-effective" Related: Bangladeshi scientists develop green solar cell https://www.tbsnews.net/bangladesh/energy/bangladeshi-scientists-develop-green-solar-cell-234664 Researchers set new world record for CIGS solar cells https://techxplore.com/news/2024-02-world-cigs-solar-cells.html Non-Toxic, Efficient Solar Cells: Production Breakthrough https://www.miragenews.com/non-toxic-efficient-solar-cells-production-1370908/

Emerging hydrogen storage technology could increase energy resilience

https://techxplore.com/news/2022-05-emerging-hydrogen-storage-technology-energy.html "molecular simulations to predict MOF performance at system level... for backup power applications under 10-MW, such as microgrid or community-size data center, select MOF systems cost-competitive with large-scale, stationary backup power applications, such as pumped-storage hydropower and batteries. The study also found that MOFs are cost-competitive with liquid hydrogen storage and have a higher system-level energy density than compressed hydrogen storage, thus requiring less space" Related: Toyota and Woven Planet Have Developed a New Portable Hydrogen Cartridge Prototype https://www.azocleantech.com/news.aspx?newsID=31795 Revolutionary new Swiss 'water battery' will be one of Europe's main renewable sources of energy https://www.euronews.com/green/2022/06/30/enormous-water-battery-in-switzerland-will-help-prevent-power-shortages Gravitricity partners French infrastructure firm...

Light-emitting electrochemical cells for recyclable lighting

https://phys.org/news/2022-05-light-emitting-electrochemical-cells-recyclable.html "statistical relationship between X-ray structure and electronic features of the copper(l) complexes dimine and diphosphine ligands.... blue LECs, copper(l) based single-layer white LECs with high quality white light and a color rendering index of 90 can be realized," says Professor Claudia Barolo of the University of Turin. The color rendering index indicates how natural colors of illuminated objects appear under a given light source and has a maximum value of 100, so a value of 90 is already very good"

Researchers find way to form diodes from superconductors

https://phys.org/news/2022-05-diodes-superconductors.html "energy gap, forbidden region for electronic excitations... form in superconductors... resembles... energy gap in semiconductors but is typically much smaller... diode-like feature not been previously observed, requires breaking symmetry of contact's current–voltage characteristics... symmetry can be broken... ferromagnetic insulator suitably placed in junction... superconducting materials operating at ultralow temperatures, this innovation is readily available for them"

A world-first one-way superconductor could make computers 400 times faster

https://interestingengineering.com/400-times-faster-superconductor "The team created a so-called "Quantum Material Josephson Junctions" with two superconductors separated by a layer of Nb3Br8. "We were able to peel off just a couple atomic layers of this Nb3Br8 and make a very, very thin sandwich — just a few atomic layers thick — which was needed for making the Josephson diode, and was not possible with normal 3D materials," Ali told SciTech Daily" Related: Thermalization and information scrambling in a superconducting quantum processor https://phys.org/news/2022-05-thermalization-scrambling-superconducting-quantum-processor.html

Better broadband: CableLabs showcases 10G, the cable connection of the future

https://www.techradar.com/news/better-broadband-is-coming-cablelabs-showcases-10g-docsis-40-and-the-nets-future "fastest, most efficient path to deliver multigigabit symmetrical speeds... 10G a holistic umbrella... 4.0 doesn’t quite bring parity... significantly increase theoretical maximums to 6Gbps, sending uploads and downloads along same spectrum within fiber optic cables. 10G technology... boost reliability and security, and decreases the latency in connections, which should facilitate gaming, interactive AR (that metaverse thing everyone’s talking about), and other internet activities that rely on precision" Related: CableLabs paves the path to 10G, delivering several new innovations in 2021 https://finance.yahoo.com/news/cablelabs-paves-path-10g-delivering-173000324 Google Fiber Revs Up Its Multi-Gig Speeds to 20Gbps in Newest Field Test https://www.cnet.com/home/internet/google-fiber-revs-up-its-multi-gig-speeds-to-20gbps-in-newest-field-test/#ftag=CAD590a51e World’s ...

On-chip circuit produces up to six microwave photons at the same time

https://phys.org/news/2022-05-on-chip-circuit-microwave-photons.html "new circuit, coil inductor and capacitor tuned... number of photons emitted by device was dependent on the voltage applied. The device is capable of producing six photons... did not test the photons to determine... entangled, but believe they were based on prior experiments... did not attempt to modify device to determine if more than six photons produced. More testing is required, but if the device works as hoped, it could signal the start of a new wave of research based on groups of entangled particles"

Hidden distortions trigger promising thermoelectric property

https://phys.org/news/2022-05-hidden-distortions-trigger-thermoelectric-property.html "sub-nanoscale origins of both shrinkage and exceptional thermoelectric properties in silver gallium telluride (AgGaTe2)... materials controlled by voltage to achieve stable temperatures... electronic conductivity and thermal conductivity are coupled and are either high or low... X-ray examination at Brookhaven's National Synchrotron Light Source II (NSLS-II) reveal a previously hidden sub-nanoscale distortion... those distortions trigger one-axis crystal shrinkage"

Forecast: Broadcom, Intel, Texas Instruments, Microsemi, Realtek, Atmel, Maxim Integrated, NXP Semiconductors, Analog Devices, Cypress Semiconductor) to 2031

https://linkewire.com/2022/04/28/poe-chipset-market-analysis-and-forecast-by-leading-key-players-broadcom-intel-texas-instruments-microsemi-realtek-atmel-maxim-integrated-nxp-semiconductors-analog-devices-cypress-semiconduc/ "The Power over Ethernet (PoE) chipset is a technology used in Ethernet networks to deliver power to devices over the Ethernet cable. The PoE chipset is used in a variety of devices, including routers, switches, and IP cameras. The PoE chipset is a technology that has a number of benefits, including the ability to deliver power to devices over long distances, the ability to provide power to devices in a variety of climates, and the ability to provide power to devices in a variety of locations"

One step synthesis of efficient red emissive carbon dots for in vivo bioimaging

https://phys.org/news/2022-05-synthesis-efficient-red-emissive-carbon.html "By comparing optical properties and chemical structures of solvothermal synthesized samples in high content of electron-withdrawing C=O groups and low content of proton-donating −NH and −OH groups on surface of FA-CDs account for pure red emission... high PLQY 21.9% and enhanced multi-photon red FL... FA-CDs@BSA aqueous solutions. Both FA-CDs and FA-CDs@BSA... very low cytotoxicity and renally excreted in vivo"

Breakthrough in battery design: first realistic Portraits of squishy layer that’s key to battery performance

https://scitechdaily.com/breakthrough-in-battery-design-first-realistic-portraits-of-squishy-layer-thats-key-to-battery-performance/ "inserted metal grid used for holding cryo-EM samples into coin cell battery. When they removed it, thin films electrolyte clung to tiny circular holes within grid, held in place by surface tension long enough to perform remaining steps... films were too thick for electron beam to penetrate and produce sharp images... sopping up the excess liquid with blotter paper... blotted grid immediately plunged into liquid nitrogen freeze little films into a glassy state that perfectly preserved the SEI" Related: A Breakthrough In Tiny Batteries? https://oilprice.com/Energy/Energy-General/A-Breakthrough-In-Tiny-Batteries.html

It happened: nuclear diamond batteries finally hit the market

https://www.youtube.com/watch?v=qeVOFydscAo "scientists   have   been   working   hard   at   creating   a   new battery. The latest result is a diamond battery that has the potential to last for thousands of years and also help eliminate nuclear waste! How does the diamond battery last so long,   and   how   does   it   work?   Join   us   as   we   bring   scientists'   insane   new   diamond batteries just released! The best battery with ability for a wide range of applications is the lithium-ion battery" Related: NDB self charging battery https://ndb.technology/ Chinese Firm developed Nuclear Battery that can Produce Power for 50 years https://slguardian.org/chinese-firm-developed-nuclear-battery-that-can-produce-power-for-50-years/ Researchers create tiny nuclear-po...

Thin quantum wires work better with less insulating coatings

https://phys.org/news/2022-05-thin-quantum-wires-insulating-coatings.html "electrons cross outer boundary of semiconductor... electron mobility—which becomes roughly 10 times greater in thin wires, when they are coated in less insulating materials than the semiconductor. All the same, previous models are still useful for describing thicker quantum wires. The result provides important insights into the conducting properties of quantum wires, and could enable researchers in future studies to better understand their potential applications"

In balance: Quantum computing needs the right combination of order and disorder

https://phys.org/news/2022-05-quantum-combination-disorder.html "transmon chip tolerates, requires effectively random qubit-to-qubit device imperfections... just how reliable ability by randomness' principle is... industrially pursued system architectures instability... compute discrete levels as function of system parameters... qubit states... coupled to degree that controlled gate operations compromised... subtle balance between stabilizing qubit integrity and enabling inter-qubit coupling"

Vertical thinking broke the bottleneck in powering high-performance computers

https://techxplore.com/news/2022-05-vertical-broke-bottleneck-powering-high-performance.html "Deliver power to smaller areas... high efficiency cut costs and prevent overheating; switch power among components with speed... deliver 10 times more power to millimeter square silicon without sacrificing speed or efficiency?... accomplished all three by rethinking everything from power delivery components to their architecture and control... used capacitors instead of magnetics to process power, and built systems vertically instead of horizontal construction. Both features introduced significant design challenges"

Hydrogen-tuned topological insulators may lead to new platforms in sustainable quantum electronics

https://phys.org/news/2022-05-hydrogen-tuned-topological-insulators-platforms-sustainable.html "hydrogen-tuning technique chalcogen-based topological materials and nanostructures... insertion and extraction of ionic hydrogen from dilute aqueous hydrochloric acid (HCl) solution, which leaves the layered topological crystal structure as well as electronic bands intact... removing native surface oxide while passivating surfaces... electrons are donated by reversible binding of H+ ions to chalcogens... Te or Se, and bulk carrier densities reduced" Related: A ceramic aerogel made with nanocrystals and embedded in a matrix for use in thermal insulation applications https://phys.org/news/2022-07-ceramic-aerogel-nanocrystals-embedded-matrix.html Scientists develop all-natural, wood-inspired aerogel https://phys.org/news/2023-02-scientists-all-natural-wood-inspired-aerogel.html Packing Aerogel With Uranium Could Give Us The Space Engine We've Been Looking For https://www.scienceal...

A thermal superconducting quantum interference proximity transistor

https://phys.org/news/2022-05-thermal-superconducting-quantum-proximity-transistor.html "suppress or reinforce superconductivity in their transistor at will, by applying external magnetic field... thermal conductivity of the aluminum island in transistor... manipulated... thermal valve... sinking heat from metallic electrode into it, which also coupled to aluminum island through tunnel contact... phase-coherently manipulating the energy transport qualities of quantum devices. "T-SQUIPT... control of heat transport enables envision and realize the thermal counterparts of electronic devices" Related: New skyrmion transistors propel quantum and AI research https://phys.org/news/2023-05-skyrmion-transistors-propel-quantum-ai.html Quantum thermal transistors: Harnessing quantum measurement and feedback https://phys.org/news/2024-01-quantum-thermal-transistors-harnessing-feedback.html

Researchers find superconductors can carry magnetic information much longer distances than conventional metals

https://phys.org/news/2022-05-superconductors-magnetic-longer-distances-conventional.html "can carry not only charge current between metals, but also spin currents between magnets to relatively long distances without producing excess heat. This is in contrast with ordinary conductors where such frictionless spin currents vanish within atomic distances... can be used to mediate magnetic interactions between different magnets in controllable way... spin currents can be elusive... do not produce electric signals... can be detected indirectly by change of magnetic configuration"

A step forward in modern quantum technology: Frequency conversion of single photons at arbitrary wavelengths

https://phys.org/news/2022-05-modern-quantum-technology-frequency-conversion.html "spatio-temporal hologram of molecular vibrations created in gas by stimulated Raman scattering... operates at pressure-tuneable wavelength, for quantum communications, where efficient sources of indistinguishable single-photons unavailable at wavelengths compatible with existing fiber networks... combines quantum optics, gas-based nonlinear optics, hollow-core PCF, and molecular vibrations... can operate in any spectral band" Related: Quantum key distribution network accurately measures ground vibration https://phys.org/news/2022-05-quantum-key-network-accurately-ground.html Coherent Raman microscopy could be expanded through fusion of instruments and computers https://phys.org/news/2023-03-field-to-pattern-monolithic-holographic-metasurface.html

Ultracapacitor sonar seeking grid with 100% solar, wind

https://www.pv-magazine.com/2022/05/02/ultracapacitor-sonar-seeking-grid-with-100-solar-wind/ "sonar for the power grid. Reactive starts by installing shipping container full of gear that sits behind an ultracapacitor... injects small, specific, bursts of energy... into power grid... GridMetrix software suite collects distortion data and calculates power grid’s system inertia... information then delivered to grid operator’s management platforms... discretely deploy grid supporting resources, and avoid turning on entire coal plant to service tiny wobble that could be fixed with much smaller and faster battery" Related:  Mobile sun: portable panels for self-generated power supply https://globalenergyprize.org/en/2023/03/21/mobile-sun-portable-panels-for-self-generated-power-supply/

Porsche investment could unlock up to a 50% boost in EV battery density

https://www.canarymedia.com/articles/electric-vehicles/porsche-investment-could-unlock-a-25-boost-in-ev-battery-density "uses ​hard carbon-based scaffolding... silicon sits in miniscule scaffolding structure where it has room to expand and contract without weakening structure of anode... adding it to anodes can deliver 50 percent more energy density than today’s batteries. That could materialize as an EV that goes much farther on a single charge, or one that goes the same distance with a smaller, cheaper battery" Related: Mercedes-Benz and Sila achieve breakthrough with high silicon automotive battery https://www.bdtonline.com/news/nation_world/mercedes-benz-and-sila-achieve-breakthrough-with-high-silicon-automotive-battery/article_2b738126-1e5c-5e14-a274-d3fecb85a7cf.html Solid-state battery by Mercedes partner ProLogium first to hit 100% silicon anode for up to 620-mile range https://www.notebookcheck.net/Solid-state-battery-by-Mercedes-partner-ProLogium-first-to-hit-100-si...

UCF and NASA researchers design charged ‘power suits’ for electric vehicles and spacecraft

https://www.ucf.edu/news/ucf-and-nasa-researchers-design-charged-power-suits-for-electric-vehicles-and-spacecraft/ "Nanoscale graphene sheets... increased charge storing ability, while metal oxides deposited on attached electrodes enhance voltage and provide higher energy density. This provides the supercapacitor-battery hybrid with its unprecedented energy storage ability and charging life cycle... additional mileage without increasing battery weight... while maintaining high tensile, bending and impact strength... Making cubic satellite out of composite make satellite light and eliminate heavy battery pack... ideal for cubesats"

Dual water and energy storage scheme paves the way for high shares of renewable energy generation

https://www.azocleantech.com/news.aspx?newsID=31639 "two distinct hydrological cycles in upstream and downstream areas, separating seasonal demand for water for hydroelectricity and irrigation... building hydro reservoirs in upstream areas backed with seasonal pumped hydropower storage (SPHS) to store water for hydropower generation and meet energy needs in upstream countries in winter. When this water reaches lower elevations, existing reservoirs downstream can be employed to store water until summertime" Related: Waterless high-density hydro makes more energy from less elevation https://newatlas.com/energy/waterless-high-density-hydro/ Farm dams can be converted into renewable energy storage systems, says study https://techxplore.com/news/2023-09-farm-renewable-energy-storage.html Modular dam design could accelerate the adoption of renewable energy https://techxplore.com/news/2023-10-modular-renewable-energy.html Making hydropower plants more environmentally friendly https:...