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updated: 2020-11-22
"'Those who wish to enjoy peace must be ready for war.', [Epaminondas] lectured them [in 370BCE], 700 years before Vegetius's more famous Roman dictum, Qui desiderat pacem, praeparat bellum." --- Victor Davis Hanson 1999 _The Soul of Battle: From Ancient Times to the Present Day, How 3 Great Liberators Vanquished Tyranny_ pg54 |
U | M | T | W | R | F | S |
---|---|---|---|---|---|---|
1 | 2 | |||||
3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 |
17 | 18 | 19 | 20 | 21 | 22 | 23 |
24 | 25 | 26 | 27 | 28 | 29 | 30 |
31 |
"«The labouring classes [in the USA] are comparatively few in number», Joseph Whitworth reported on his arrival back home [in England in 1853], «but this is counterbalanced by, and indeed, may be regarded as one of the chief causes of, the eagerness with which they call in the aid of machinery in almost every department of industry. Wherever it can be introduced as a substitute for manual labour, it is universally and willingly resorted to... It is this condition of the labour market, and this eager resort to machinery wherever it can be applied, to which, under the guidance of superior education and intelligence, the prosperity of the USA is mainly due.»" --- Simon Winchester 2018 _The Perfectionists_ pp122-123 |
"During our childhood, he was very dfferent from me in the way he experienced reality and chose to behave. As a result, I became fascinated with the human brain at an early age. I wondered how it could be possible that my brother and I could share the same experience but walk away from the situation with completely different interpretations about what had just happened. This difference in perception, information processing, and output motivated me to become a brain scientist." --- Jill Bolte Taylor, Ph.D. 2006, 2008 _My Stroke of InSight_ pg5 |
K | kilo- | thousand | 10^3 | 1,000 | |
M | mega- | million | one thousand thousand | 10^6 | 1,000,000 |
G | giga- | billion | one thousand million | 10^9 | 1,000,000,000 |
T | tera- | trillion | one million million | 10^12 | 1,000,000,000,000 |
P | peta- | quadrillion | one million billion | 10^15 | 1,000,000,000,000,000 |
E | exa- | quintillion | one billion billion | 10^18 | 1,000,000,000,000,000,000 |
Z | zetta- | sextillion | one billion trillion | 10^21 | 1,000,000,000,000,000,000,000 |
Y | yotta- | septillion | one trillion trillion | 10^24 | 1,000,000,000,000,000,000,000,000 |
Except that computer people use 2 as a base raised to multiples of powers of 10, instead of 10 raised to multiples of powers of 3 because powers of 2 are handier for them, but they also want to stay somewhat close to the values of 10 most folks are used to.
1,024 | K | kilo- (kibi-) | 2^10 |
1,048,576 | M | mega- (mebi-) | 2^20 |
1,073,741,824 | G | giga- (gibi-) | 2^30 |
1,099,511,627,776 | T | tera- (tebi-) | 2^40 |
1,125,899,906,842,624 | P | peta- (pebi-) | 2^50 |
1,152,921,504,606,846,976 | E | exa- (exbi-) | 2^60 |
1,180,591,620,717,411,303,424 | Z | zetta- (zebi-) | 2^70 |
1,208,925,819,614,629,174,706,176 | Y | yotta- (yobi-) | 2^80 |
3. 14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 58209 74944 59230 78164 06286 20899 86280 ≅ π
"A radiological researcher, Eric J. Hall, told the Washington DC Post that out of 100K survivors of the Hiroshima and Nagasaki atomic explosions that he and colleagues had studied, '20K are going to die of cancer anyway. We are looking at the difference between 20K [who would normally get cancer] and 20,400. It is not a big effect, and it is hard to see.'" --- Edward Tenner 1996 _Why Things Bite Back: Technology and the Revenge of UnIntended Consequences_ pg23 (citing Larry Thompson 1990-04-14 "The Atomic Bomb: Scientists ReAssess the Long-Term Impact of Radiation" _Washington DC Post_ pgZ12; Yushiko Shimiqu, William J. Schull & Hiroo Kato 1990-08-01 "Cancer Risk Among Atomic Bomb Survivors" _JAMA_ vol264 #5 pp601-609; Ken Ringle 1995-08-05 "FallOut Over Numbers" _Washington DC Post_ pgA16) |
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