Batteries stories

Cables are the bane of the existence of everyone with more than just one or two gadgets, and it seems like we're going to be stuck with them as long as wireless charging remains at the novelty stage. Luckily, we're surrounded by cables almost all the time (in the form of clothing), and electrifying those could be an easy way to pipe electricity to literal pocket chargers.
The first floor of the University of California's newest engineering building is soon to be powered by the equivalent 1.1M high-end lithium-ion AA batteries. If you are curious as to what this looks like, the 1.1 megawatt power supply is big enough to cover a 50-meter long Olympic size swimming pool. That's a lot of power.