For those of you who were ever on the M60 series of tank, one of the nifty features it had was a built in compass. While this might not seem like a big deal, it did offer you the ability to navigate ...

Sailing is nerdier than you think. You rarely have the wind at your back. The sails act as airfoils as the wind passes over them at certain angles. As the sail opens, lift is created. That lift drags ...

Since its first documented use by the Chinese centuries ago, the magnetic compass has guided countless sailors safely across the seas. Though the compass allowed for the advent of modern navigation, ...