| Spring equinox link roundup | |
| mid-September tumbling | |
| Recent links | |
| AAA color schemes | |
| Transforming waiting in this line from the time domain to the frequency domain since 1785. #paris #igersparis #astronomy #mathematics | |
| Sierpinski hiding in the Sistine Chapel (r/math) | |
| The numbers | |
| A New Kind of Science, by Stephen Wolfram | |