The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to some of the most profound questions and concepts in mathematics.

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

If someone asked you to picture a quantum computer, what would you see in your mind? Maybe you see a normal computer-- just bigger, with some mysterious physics magic going on inside? Forget laptops ...