- how to make a compass with needle and magnet
- The South Pointing Spoon (hakaimagazine.com)
On a bronze plate, the little metal spoon balances exquisitely on its bowl. Each time it’s tossed or spun, it comes to rest with its neck aiming south. This is a replica of the aptly named south pointing spoon, thought to be the first magnetized object ever used to tell direction. And it was the crucial precursor to the magnetic compass, one of the most important inventions in maritime history.
- Starship Troopers (film) (Wikipedia)
Starship Troopers is a 1997 American science fiction action film directed by Paul Verhoeven and written by Edward Neumeier, based on the 1959 novel by Robert A. Heinlein. Set in the 23rd century, the story follows teenager Johnny Rico and his comrades as they serve in the military of the United Citizen Federation, an Earth-based world government engaged in an interstellar war against an alien species known as the Arachnids. The film stars Casper Van Dien, Dina Meyer, Denise Richards, Jake Busey, Neil Patrick Harris, Patrick Muldoon, and Michael Ironside.
- Compass (Wikipedia)
A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with magnetic north. Other methods may be used, including gyroscopes, magnetometers, and GPS receivers.
