"Is This Phone Vegan?": Blood Component May Double Battery Life

Just about everything that's considered a "gadget" these days--from your phone to your laptop to the wireless earbuds Apple's forcing you to buy--runs on lithium-ion batteries. They're cheap, powerful for their weight, and can go through a few thousand charge cycles before wearing down, properties which have earned them their title as the champion workhorses of the portable digital age. New and better technologies are always on the horizon, though:lithium-oxygenbatteries promise to be the next b...