What do water bottles, eggs, hemp, and cement have in common? They can be engineered into strange, but functional, energy storage devices called supercapacitors. Like their name suggests, ...

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 ...

Supercapacitors have long promised electric vehicles that refill in minutes, grids that shrug off sudden surges, and gadgets that never seem to wear out, but their limited energy storage has kept them ...