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updated: 2019-07-05
"The biographer Nepos remarks of Epaminondas that 'he was excellent in keeping secrets -- a quality that is of no less advantage than the ability to speak well'." --- Victor Davis Hanson 1999 _The Soul of Battle: From Ancient Times to the Present Day, How 3 Great Liberators Vanquished Tyranny_ pg76 |
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 |
"Imagination needs noodling -- long, inefficient, dawdling & puttering." --- Brenda Ueland (quoted in Alexandra Stoddard 1995 _The Art of the Possible_ pg 236) |
"Aerobic exercise stimulates the release of norepinephrine & endorphins, both of which are associated with joy. Norepinephrine, excreted by the adrenal glands, produces feelings of euphoria & elation. Studies have found that running can increase norepinephrine levels up to 4.5 times the norm. Endorphins are chemicals produced in the brain that suppress pain, help process sensory information, & produce deep feelings of joy & well-being." --- Diane Dreher 1996 _The Tao of Personal Leadership_ pg 101 |
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
USA Over-Population Clock
World + USA Over-Population Clocks
Jimbo Wales's WikiPedia on World Over-Population
population density
countries by population density
USA states and counties by population density
World Atlas: states by population density
"The plan that Jefferson offered [in 1786] called for each county to be divided into 'hundreds' and a school built in each hundred so conveniently located that all free boys and girls might attend daily. For 3 years all children would receive free [education], and any child might attend longer at private expense. Pupils would be taught reading, writing, and common arithmetic and become acquainted with Greek, Roman, English, and American history through the books used for reading. From each group of about 10 elementary schools one boy 'of the bet and most promising genius and disposition' whose parents were too poor to continue his [education] would be chosen each year to proceed to one of the grammar schools serving several counties. He would be boarded and his tuition paid by the state. Other qualified students whose parents could support their education also would be admitted to the grammar schools, where they would be taught Latin, Greek, English grammar, geography, and advanced arithmetic. After one year, the least promising third of the state-supported scholars would be cut, and after two years only one -- 'the best in genius and disposition' -- would be allowed to continue at public expense for another 4 years. With 20 grammar schools proposed, Jefferson envisioned '20 of the best geniuses raked from the rubbish annually'. From this select group, each grammar school in alternate years would send the most promising scholar to the College of William and Mary to be educated, boarded, and clothed at state expense for 3 years. In a system with 20 grammar schools, 10 'public foundationers' would thus annually reach the peak of the educational pyramid. As Jefferson saw his proposal, 'The ultimate result of the whole scheme of education would be teaching all children of the state reading, writing, and common arithmetic: turning out 10 annually of superior genius, well taught in Greek, Latin, geography, and the higher branches of arithmetic: turning out 10 others annually, of still superior parts, who, to those branches of learning, shall have added such of the sciences as their genius shall have led them to.'" --- Noble E. Cunningham 1987 _In Pursuit of Reason: The Life of Thomas Jefferson_ pg59 (citing Julian Boyd _Papers of Jefferson_ vol2 pp526-533; Thomas Jefferson _Notes on Virginia_ pg146) |
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