Is the half Moon half as bright as the full Moon? Why don't comets zoom across the sky? Is July hot because we're closer to the Sun? Why is the North Star the brightest star? In "10 Confounding Cosmic Questions", Jao Rao answers these and other questions that regular people (not just scientists) wonder about [Space.com]. |
On the bright side, you can always laugh about it [Seattle P-I]. |
A late rundown of the 1st UK International Salsa Congress [Salsa-UK]. The author does a very good job of describing some of Salsa's most notorious personalities. 11:20:06 AM ![]() |
Tetris is NP-hard [Slashdot]. Mathematicians often want to know how hard it would be for a computer (or a human) to solve a particular problem. They have a way of measuring "hardness" that allows them to see how difficult a problem is to solve. Well, it turns out that the popular game of Tetris is as hard as any problem. |