Rolls-Royce sells German unit L'Orange

British engine maker Rolls-Royce said Monday it has sold German division L'Orange for 700 million euros ($860 million) to US group Woodward.

Tiny engine powered by demixing fluid

An international team of researchers has developed a tiny, liquid-based engine powered by a demixing fluid. In their paper published in the journal Physical Review Letters, the group describes their little engine and possible ...

Video: When water levitates

Have you ever seen a drop of water navigate a maze? It's possible thanks to the same phenomenon that lets you know if a griddle is hot enough for pancake batter. Water droplets that dance and skitter across a hot surface ...

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