Fast laser wiggling atoms in tungsten ditelluride could lead to more energy-efficient electronics that are smaller, faster, and cheaper

https://www.eurekalert.org/news-releases/1098537

"tungsten layer sandwiched between 2 tellurium layers... super-fast laser creates THz pulses focused onto laser's tip strengthening pulse strength, wiggling top layer of tellurium atoms directly beneath tip gently nudging that layer 7 pm out of alignment from remaining layers, reverting back to normal when laser off... wiggling only occurs on the topmost layer... acts as nanoscale switch to temporarily change electrical properties of WTe2 to upscale the next generation of electronic devices"