- National Lottery
- Lottery mathematics
Saturday, July 23, 2016
John Hunton: 5 and Penrose Tiling
 |
| John Hunton |
- We didn't see it because we didn't look for it.
- One of the ways in which, one of the most common ways in which patterns like this are found are by taking regular pattern, but in a much higher dimensional space, and then cutting through that space, at an irrational angle. And the irrationality of the way you've cut it will mean that you'll never get complete repetition.
- Dan Schlectman (ダニエル・シェヒトマン)
- Quasicrystal (準結晶)
Thursday, July 21, 2016
Alan Mandell: Most Important Exercise to Help Pinched Nerve and Neck Pain
 |
| Alan Mandell |
- Radiculopathy (神経根障害)
- Radicular pain (神経根痛)
Wednesday, July 20, 2016
Tuesday, July 19, 2016
Edmund Copeland & Gregory Galperin: Pi and Bouncing Balls: Galperin’s Billiard Method of Computing Pi
 |
| Gregory Galperin |
 |
| Edmund Copeland |
| N | Big Ball is | Collisions required to turn around |
|---|---|---|
| 0 | 16 times bigger | 3 |
| 1 | 1600 times bigger | 31 |
| 2 | 160,000 times bigger | 314 |
| 3 | 16,000,000 times bigger | 3,141 |
| 4 | 1,600,000,000 times bigger | 31,415 |
| 5 | 160,000,000,000 times bigger | 314,159 |
| 6 | 16,000,000,000,000 times bigger | 3,141,592 |
- M = 16 * 100^n * m
- Galperin’s billiard method of computing pi
Masayoshi Son (孫正義): Press Conference: ARM to be acquired by SoftBank
 |
| Masayoshi Son |
- Earnings before interest and taxes (EBIT)
- Earnings before interest, taxes, depreciation, and amortization (EBITDA)
- Free cash flow
- Net debt zero
- ARM Holdings (ARMホールディングス)
- ARM architecture (ARMアーキテクチャ)
- United Kingdom withdrawal from the European Union (欧州連合からのイギリス脱退問題)
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