Imagine never having to charge your smartphone ever again. We may be one step closer to that battery-free future thanks to new research from University of Washington engineers. They made a phone capable of calling people...
Imagine never having to charge your smartphone ever again. We may be one step closer to that battery-free future with new research from University of Washington engineers. They made a phone capable of calling people drawing...
Photo by Shutterstock Researchers at the University of South Carolina have developed a technique to turn an ordinary cotton t-shirt into a supercapacitor...