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 ...

This hobby turned my scraps into gifts, and it's way simpler than you'd think.

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, ...

Scientists at Michigan State University have discovered how to use ultrafast lasers to wiggle atoms in exotic materials, temporarily altering their electronic behavior. By combining cutting-edge ...