- Grafting number
- 3 - √5
 |
| 3 - √5 |
Tuesday, July 5, 2016
Monday, July 4, 2016
Dianna Cowern: Bizarre spinning toys: PhiTOP
- PhiTOP
- Inertia
- Angular momentum
- Torque
- Right hand rule
- Gyroscopic Precession
Roger Bowley: 15 bumfit
- Yan
- Tan
- Tethera
- Pethera
- Pimp
- Sethera
- Lethera
- Hovera
- Covera
- Dik
- Yan-a-dik
- Tan-a-dik
- Tethera-dik
- Pethera-dik
- Bumfit
- Yan-a-bumfit
- Tan-a-bumfit
- Tethera-bumfit
- Pethera-bumfit
- Figgot
Roger Bowley: 6174: Kaprekar's Constant
Example:
7348
8743
3478
----------
5265
6552
2556
----------
3996
9963
3699
-----------
6264
6642
2466
-----------
4176
7641
1467
------------
6174
7641
1467
-------
6174
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