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, ...

The idea of seeing something without actually looking at it might sound crazy. After all, how do you see something if you aren't actually looking at it? Well, the basic idea behind this has been ...

Let’s talk about how microwaves actually work, which we have a whole video about, but here’s the tldw version: this thing, a ...