(via opdimasprime)
I enjoyed reading and reblogging this way too much
(via acciowalrus)
Bullet traveling through air at about 1.5 times the speed of sound.
When a moving object breaks the sound barrier, a shock wave and often turbulence are created. In this image, the curved line at the nose of the bullet is a shock wave. Other shock waves can be seen alongside the bullet, and a turbulent wake trails behind it.
Credit: Andrew Davidhazy/Rochester Institute of Technology
Source: GALEX - Galaxy Evolution Explorer, link
Eve, the now ubiquitous eaves-dropper, first considered cryptology when her Dad showed her a very large prime. Curiously it was also the smallest prime.
Godspeed
Algebraic numbers coloured by degree.
