" It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment."
- Carl Friedrich Gauss
2 How do we generalize limitations on the propagation speed of sinusoidal waves to limitations for transmitting any kind of information? sep 17 '13
2 Deriving the group velocity of a wave produced by some basic cosine waves with unequal amplitudes oct 2 '13
0 How to calculate average speed sep 15 '13