Some might say that electricity was mankind's best invention — it powers most of the things around us, after all. But whatever you need most at any given time also turns into an invaluable tool -- and ...

A stream of compressed air does not look like a power source. In factories, it usually hisses through pipes, drives tools, then disappears as waste. But under the right conditions, that same airflow ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have demonstrated a particulate static effect-induced electricity generation technology inspired by the Tesla turbine.