Your movement could power your phone Martin Dimitrov/Getty
Someday, you may be able power your electronics just by moving around. A new nanogenerator that acts like a second skin and harvests energy from human motions can easily generate enough power to light 20 small LEDs.
at the Chinese Academy of Sciences in Beijing and her colleagues built a specialised material out of a layer of hydrogel sandwiched between a stretchy plastic material called elastomer, and then coated in silicone rubber to keep the hydrogel from drying out. The final bonded material is just under 0.4 millimetres thick…
