When you water plants, you water their roots. But how does the water travel all the way from the roots of the plant to the leaves? They are standing upright: wouldn’t that defy gravity? In fact, there ...

PITTSBURGH (KDKA) -- Candles are neat, calming to some and full of science. They are made of wax and a wick which seems pretty simple. Once you light the candle, the wick burns. As the wick burns, it ...

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to, external forces like gravity. In this walking water experiment, liquid uses the ...

Twisting spires, concentric rings, and gracefully bending petals are a few of the new three-dimensional shapes that engineers can make from carbon nanotubes using a new manufacturing process. Twisting ...

Researchers are still busy trying to understand some of the CNT basics, for instance something as fundamental as "how do nanotubes grow"? How can their various properties – electronic, transport, or ...