Chemists, engineers craft adjustable arrays of microscopic lenses

https://phys.org/news/2023-10-chemists-craft-adjustable-arrays-microscopic.html

"carving aqueduct equivalents into polydimethylsiloxane, expanding or contracting lenses using fluids, modifying magnification, focal length... projecting signals onto embedded sensors...  silicone, strategic molecular groups and lithium-based compound, hydrogel, applying UV propagating chains protruding up from silicone and across, stabilizing it... control size, patterning and composition of hydrogel lenses, orientation and tension of silicone... biomaterial and biomedical culturing, micro-projection, robotic skins"