As Barbie once famously said, “Math class is tough.” She stopped saying it pretty quickly because everybody worried she was propagating negative stereotypes about girls, but let’s face facts: it’s ...

If you want to know what time it is, you’ll have to do a little work with this clock. Meet Albert, a wall clock for children that breaks down the current time into math problems. Named after Albert ...

Welcome to CHEAP, our series about things that are good, but most of all, cheap. CHEAP! You might think the world is complicated enough and there’s no need to make basic tasks harder, right? Right?

The hands of clock are right on top of each other at high noon. That much is obvious. But when are the other times that the minute and hour hand line up exactly? If you think about it, it's pretty ...