Your knife is trying to tell you something every time it hits the board. If the edge keeps folding... The post Why your edge ...

In our mind’s eye, the universe seems to go on forever. But using geometry we can explore a variety of three-dimensional shapes that offer alternatives to “ordinary” infinite space. When you gaze out ...

If you’re in the market for a secondhand bike that’s been around for a few years, you might ask yourself if a modern mountain bike really handles better than an older one. A mountain bike’s geometry ...

Can you imagine the imprint a four-dimensional hexagon might leave as it passes through your three-dimensional kitchen table? Probably not, but some people can. One such person was mathematician ...