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 ...

All the latest innovations, reviews, and insider tips from the Bicycling gear team—only in Tech Talk with Matt Phillips.

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 ...

THE Paralogistes pseudomathematicus has become so rare, or possibly so shy, that it is a real pleasure to find that the species is not extinct. Alack! that De Morgan is not with us, to do justice to ...

Launch angle: It’s not just for baseball nerds anymore. It’s for third graders. To some fans, launch angle is a prominent example of statistical overkill. A home run can be appreciated, or so the ...

Physicists at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg have discovered a striking ...