Engineering

Coffee stains inspire optimal printing technique for electronics

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics—the coffee ring effect. This effect has hindered the industrial deployment of functional inks ...

Energy & Green Tech

Air pollution haze can put a dent in solar power

Ian Marius Peters, now an MIT research scientist, was working on solar energy research in Singapore in 2013 when he encountered an extraordinary cloud of pollution. The city was suddenly engulfed in a foul-smelling cloud ...

Energy & Green Tech

Defects in next-generation solar cells can be healed with light

Researchers have shown that defects in the molecular structure of perovskites - a material which could revolutionise the solar cell industry - can be "healed" by exposing it to light and just the right amount of humidity.

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