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Posts Tagged ‘Clear Acrylic’


How Does A Compass Work?

By Steve on Friday, October 23rd, 2009 | 2 Comments

A compass is an extremely simple device. The needle of a compass is a freely rotating magnet balanced on a nearly frictionless pivot point. The painted end is the north (magnetic) pole of the needle which is attracted by the weak magnetic field of the earth to allign itself in a northerly direction. The area [...]

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Buy A Cheap Compass

By Steve on Sunday, October 4th, 2009 | No Comments

Long before GPS satellites and other high-tech navigational aids, the compass gave humans an easy and inexpensive way to orient themselves. One of the earliest man-made navigation tools was the mariner’s compass, an early form of the magnetic compass (c.13th Century). Initially used only when the weather obscured the sun or the North Star, these [...]

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