Lithium battery technology--the hidden power behind much of the improvements in our portable gadgets--is about to make a huge step-change, thanks to two different science groups. One uses sulfur and the other uses air--but both ...READ»
With conventional batteries nearly ousted, first by NiCad and now Li-ion rechargeables, you'd think the question of which battery to use would be pretty sewn up. Not so: now comes nickel-zinc technology to shake it all up again.The ...READ»
