Battery

A team of researchers at Virginia Tech University has created a sugar-powered battery that last at least 10 times longer than current lithium-ion batteries.

Electric cars have large batteries that go mostly unused for hours at a time. But a team of researchers in Delaware are hoping to use these electric cars to improve how the national electric grid works. So far, the results are promising. And it could provide benefits to electric car owners, too.

Reoccurring problems with the lithium ion batteries used in the Boeing 787 Dreamliner have led to ongoing safety concerns. And with many engineers due to retire from the company, there’s concern that American students won’t be able to fill those spots.

About a quarter of all people worldwide live without electricity. For them, evenings and nights are spent by candlelight or kerosene lamp. But a group of scientists in Sri Lanka say they have found a creative way to bring simple electric lighting to rural households.

Lead batteries are becoming a deadly problem in developing countries where they are melted down and sold as scrap metal.