September 2013
Intermediate to advanced
268 pages
7h 4m
English
Content preview from Tinkering
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Chapter 13. Engineering and Motors
Fun with a Hovercraft and Spin Art
Figure 13-1. A motorized contraption
You can tinker with circuits, magnets, and mechanics separately and come up with hundreds of great projects, or you can put them together and invent go-machines of all shapes and sizes. The trick is to get a hold of a little hobby motor.
A motor is an amazing thing. The first one was developed by Michael Faraday in 1821, just one year after Hans Christian Orsted accidentally stumbled upon the link between electricity and magnetism. Up until then, electricity, magnets, and motion were all separate areas of research and tinkering. Orsted noticed ...