Waiting hours for a cellphone to charge may become a thing of the past, thanks to an 18-year-old high-school student’s invention. She won a $50,000 prize Friday at an international science fair for creating an energy storage device that can be fully juiced in 20 to 30 seconds.
(Photo: UC Berkeley, School of Information)
Just mental humming of your favorite tune, a mental reconstruction of your favorite yoga move, or focusing on your favorite color could soon unlock your computer.
(Photo: Dan Harris / Argonne National Lab)
Scientists have figured out how to use sound waves to levitate droplets of liquid. While the phenomenon is gee-whiz cool in its own right, the technique could lead to the development of new drugs that the body efficiently absorbs.