Learnt an interesting thing today on this arabic course,
The original Arabic number system looked like this, the one we now use.
It was designed so each character had the corresponding number of angles to the number, so the number 1 has 1 angle, 2 has 2 angles, 3 has 3, 0 has none etc…
It is so obvious now, I’ve always assumed its one of those things that just is, with no logical explanation, but here it is, perfectly simple and satisfying
That’s a folk etymology, at best:
IC 410: Stellar Tadpoles by Steve Coates
IC 410 an emission nebula about 12,000 light-years from Earth in the constellation Auriga.
Near the center of the nebulous region is a star cluster ( NGC 1893) and just to the bottom right of this cluster lies two structures that resemble tadpoles.
These structures are made of leftover hydrogen and dust from the formation of the star cluster and the “tails” are from the solar wind coming from the stars of NGC 1893.
Comet Between Fireworks and Lightning
Image Credit & Copyright: Antti Kemppainen
Photo reblogged from with 6 notes
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Support of Black Bloc Rising in Brazilby Bradley Brooks / Autonomous Resistance
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Tanks on parade in London at the end of World War I, 1918
About 80 U.S. Marines are in the Philippines working with officials and international relief agencies to provide humanitarian assistance to survivors of Super Typhoon Haiyan — a daunting task amid massive infrastructure damage and widespread looting.
The Marines arrived Sunday on two KC-130J Hercules aircraft at Villamor Air Base near Manila, according to the U.S. Defense Department, at a time when officials say they are having a difficult time distributing disaster-relief items. Emergency teams from Doctors Without Borders also arrived in the Southeast Asian nation this weekend, and the international organization plans to send 200 metric tons of relief material in the next few days.
Philippine Cabinet Secretary Jose Rene Almendras told journalists that relief goods are still lacking and that it has been difficult to coordinate efforts with local officials — many who whom have themselves become victims of the typhoon. Local officials’ assistance in disbursing relief materials is crucial, Almendras said, because they have more knowledge about conditions on the ground in their respective areas.
Photo: Noel Celis/AFP/Getty Images
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