The correct technical definition of infinity is that it is equal to some of its parts. For example, both the set of all real numbers and the set of all even numbers have infinite elements, yet it is ...

Everything and More: A Compact History of Infinity , by David Foster Wallace. W.W. Norton, 319 pages, $23.95. In college, I developed a crush on a fellow student in a course on Gerard Manley Hopkins.

This summer, sprinters from around the world will gather in Rio to compete in the 100-meter dash. Should you choose to tune in, you'll be treated to electrifying race after electrifying race. With ...

These paradoxes aren’t philosophical word games — they emerge directly from equations physicists rely on every day. Schrödinger’s wave function mathematically permits multiple simultaneous states, ...