WA-OH, WA-OH, WA-OH
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Friday, January 28, 2011
Thursday, January 27, 2011
Tuesday, January 25, 2011
Voyager 1 flies to Jupiter
From Wikipedia:
These pictures were taken from 01/06 to 02/03, 1979 ; and Voyager 1 flew from 58 million to 31 million kilometers from Jupiter during that time. The small, round, dark spots appearing in some frames are the shadows cast by the moons passing between Jupiter and the Sun, while the small, white flashes around the planet, are the moons themselves.Direct link
Sunday, January 23, 2011
Friday, January 21, 2011
Wednesday, January 19, 2011
Friday, January 14, 2011
Thursday, January 13, 2011
The Knight's Tour
According to Wikipedia:The knight is placed on the empty [chess] board and, moving according to the rules of chess, must visit each square exactly once. A knight's tour is called a closed tour if the knight ends on a square attacking the square from which it began (so that it may tour the board again immediately with the same path). Otherwise the tour is open.
Direct link, via Ilmari Karonen
