Encyclopedia > Terrella

Article Content

Terrella

The terrella, or little earth, was an invention of William Gilbert in the 16th century. Ground from a lodestone, it simulated the magnetic dip of the Earth.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

... some observations on the DCMA, its proposed successors, and their consequences, intended and unintended hilariou ...