Plastic bottles could power your devices one day

Each year, billions of single-use plastic bottles end up in landfills or oceans. That waste problem keeps growing. Now, a new scientific breakthrough suggests those same bottles could help power your daily life.

Researchers have developed a way to transform discarded plastic water bottles into high-performance energy storage devices called supercapacitors. The work focuses on PET plastic, short for polyethylene terephthalate, which is used in most beverage bottles. 

The research was...