A case in which the conventional wisdom is scientifically inaccurate
By Gordon Mah Ung
Posted 09.04.2011 at 5:48 pm 0 Comments
Laptop computers used to run on nickel-cadmium batteries, which experienced the “memory effect,” where they lost capacity over time if recharged before they were drained. That’s no longer the case. Newer laptops use lithium-ion or lithium-polymer batteries. Repeatedly discharging the battery to zero doesn’t help a lithium-ion; in fact, it will probably shorten its overall life and capacity.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.