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- Wed Mar 09, 2011 3:09 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Titan, Rings, and Saturn from Cassini (2011 Mar 08)
- Replies: 30
- Views: 5754
Re: APOD: Titan, Rings, and Saturn from Cassini (2011 Mar 08
http://www.wildwoodsurvival.com/survival/navigation/rbcompass/rzrfloat.jpg Floating a double-edged razor blade as a compass "many times thinner, in relative proportion, than a razor blade." doesn't make any sort of sense. In proportion to what? 1 km in proportion to the overall size of th...