Every time we move our body, we expend a lot of energy. Researchers would love to harvest this energy to generate electricity to power portable electronic devices such as cell phones or medical ...

In a dynamo, a split ring commutator changes the coil connections every half turn. As the induced potential difference is about to change direction, the connections are reversed. This means that the ...

Winter Wonderlights at the Greensboro Science Center illuminates over a million lights while teaching visitors about circuits ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The magic of ocean currents is that they surround every continent on ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Generator for electric lighting ...

We've already heard about hoses that get wrapped around existing hot water pipes, using heat radiated from the pipe to heat water inside the hose. A new wrap-around device, however, uses that same ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? No one likes to be in the dark during a storm. Those who live in cities may not ...