New study identifies the promise and challenges facing large-scale deployment of solar photovoltaics.
Researchers combine two types of photovoltaic material to make a cell that harnesses more sunlight.
A coating developed by a start-up company, LiquiGlide, makes the inside of a bottle permanently wet, allowing viscous fluids like ketchup to pour out easily.
MIT spinout's electric-propulsion system improves maneuverability of small satellites.