Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Treehugger has visited the Interior Design Show (IDS) in ...

One limitation of existing systems is they need some method of scanning the light source around, and that means moving parts. Researchers at the University of Washington have created a laser on a ...

A new design with no moving parts converts heat to electricity more efficiently than a steam turbine and could lead to a fully decarbonized power grid. Engineers at MIT and the National Renewable ...