Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Ever order a gin and tonic, only to watch the bartender take his sweet time? Don’t you just want to fry the bastard with a laser? Good news! You can make a laser out of the very gin and tonic he is ...

If you've ever consumed food made with olive oil, there's a good chance you've unknowingly ingested materials capable of producing lasers. Researchers have recently demonstrated edible ...

A renewable, low impact random laser built from birch leaves and peanuts shows a path to affordable medical diagnostics using fully sustainable materials. (Nanowerk News) Physicists at Umeå University ...

Researchers at Zhejiang University have found a way to stop performance-killing Auger recombination in perovskite lasers, using a clever additive during processing. Their method produced a ...

Soap bubbles can be turned into lasers that are exceptionally good at sensing electric fields and pressure. “To get lasing, almost any bubble is fine. We’ve used regular hand soaps or a mixture that ...

A single-step laser process performed at room temperature can produce silicon-graphene battery anodes that hold more than 98% of their original capacity after 2,000-plus charge-discharge cycles, ...