Rechargeable batteries like the ones in our smartphones typically last a few years, but a new project out of Australia could lead to batteries that last nearly a decade. And that's thanks in part to sound waves.
Maybe you had to pick up some batteries for some of the presents you bought this month. When it comes to toys, we’ve got AA, AAA, C and D batteries… but not B! Why not?
A team at the University of British Columbia has come up with a way to make durable, stretchy and waterproof batteries that could be useful in wearable devices. Plus: three crew members on the International Space Station try out what they call orbital badminton.
As automakers move toward all-electric vehicles, we're going to need a lot more batteries, only there are difficulties in getting some of the key elements. A startup called Nth cycle may have a way to help. Plus: meet a young reader who really knows how to multitask.
