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This Is Sand
Remember sand art? Now you can experience all the fun without the mess. Drag and drop streams of virtual sand grains to create surreal landscapes of color. The perfect marriage of Flash programming and artistic inventiveness.
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Physics.org: A Grain of Sand Covers 10,000 Galaxies
A fascinating look at how big our solar system really is. Shows how we can only see a tiny bit of our vast universe.
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Atoms in Motion: All Matter Is Made of Atoms
Atoms are very, very small. Atoms are so small that it is often said that there are as many atoms in a single grain of sand as there are grains of sand on all of the world's beaches - certainly a difficult thing to prove, but you get the...