Consider a Spherical Cow

The Spherical Cow is a physics classic, invoked in every introductory course as a way of simplifying an intractable problem down to something you can actually solve. Now that concept is running, but mostly rolling, through the plains of Africa in this delightful animation.

Consider a Spherical Cow

What Are the Odds That You Might See a Meteoroid While Skydiving?

You've seen the footage of a rock falling past a skydiver. It looks like this particular object might be a rock accidentally packed in his… Read…

3