Researchers from Singapore have developed a clever way to turn raindrops into electricity - enough to power 12 LEDs for 20 seconds using nothing more than a small vertical tube and some carefully ...

Tiny drops of water might not seem like powerhouse energy producers, but a new method shows how simple tubes might be able to turn falling rain into an energy source. In tests, the method was able to ...

When two materials come into contact, charged entities on their surfaces get a little nudge. This is how rubbing a balloon on the skin creates static electricity. Likewise, water flowing over some ...