| user: | bainsfather |
| created: | November 6, 2013 |
| karma: | 1.4k |
| 1. | |
| 2. | Group Theory via Rubik’s Cube [pdf](geometer.org) |
| 3. | The Uselessness of Useful Knowledge(quantamagazine.org) |
| 4. | Meet one of the lorry drivers plugging Britain’s shortages(economist.com) |
| 5. |