We’ve always been a little sad that supercapacitors aren’t marked with a big red S on a yellow background. Nevertheless, [DiodeGoneWild] picked up some large-value supercapacitors and used his ...

Researchers have made a supercapacitor out of cement and carbon black, which is similar to charcoal. A supercapacitor is an alternative to a battery, capable of storing energy and releasing it very ...

Lots of single-use water bottles made from poly(ethylene terephthalate) (PET) end up in landfills, but there’s a growing interest in upcycling them instead ...

Researchers have built a high-capacity energy-storage device using a metal–organic framework (MOF) — a porous material with many desirable properties. MOFs are networks of metal ions linked together ...

AA and magnetic charging, Lightspeed and Bluetooth, lightweight and ultralight. AA and magnetic charging, Lightspeed and Bluetooth, lightweight and ultralight. is a senior editor and founding member ...