iso paper sizes: sides are 1:sqrt2 or about 1:1.414
A4 is 210x297mm
A4 folded in half is 148x210 or A5.
A3 is two A4s, or 297x420
go to A0 841x1189 or one square metre.
A-1 (A Minus One) is 2 square metres.
Australia is ~A-43
The visible universe ~A-179
A proton about A139. Quark? A151
13.03.2026 21:31
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Itโs crazy that the yellow end rules were removed and in response everyone made the fronts of their trains as dark and difficult to see as possible.
12.03.2026 09:45
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fรผr diese debatte brauchen wir ein anderes modell von "schaden". dass sich menschen in der nรคhe anderer menschen sicher fรผhlen, nicht gefilmt zu werden, hat kein mit geld bespreisbaren wert, ist aber eine gesellschaftliche infrastruktur, deren "wert" wir zu spรผren bekommen, sobald sie weg ist.
11.03.2026 09:07
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Pretty crazy how important the blockade of a trade route is right now
10.03.2026 21:30
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Ist das Vorspiel von Krustentieren eigentlich krebserregend?
10.03.2026 08:04
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every new restaurant in every major city is either called Thistle+Thorn and thinks adding turmeric to brussel sprouts makes them worth $30 or is called Burger Bitch and has a neon sign in the window that says โim gonna fuck a hamburgerโ
29.12.2024 17:04
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SCSI Terminator.
09.03.2026 11:46
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Rotes Plakat mit Text โรbrigens: Am 12. Mรคrz ist NRW-weiter Warntag.โ und weiรem Sirenen-Symbol unten rechts.
๐ข Am 12. Mรคrz ist Warntag ๐ข
Die Stadt Aachen testet am Donnerstag, 12. Mรคrz, im Rahmen des landesweiten Warntags ihre Sirenen. Um 11 Uhr werden im gesamten Stadtgebiet die vorhandenen Sirenen ausgelรถst.
โน๏ธ Pressemitteilung: sohub.io/tjw8
๐ธ Stadt Aachen
09.03.2026 07:01
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We need to make this the F1 Safety Car like immediately
08.03.2026 13:28
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kwh ist kurz fรผr die energie die ein durchschnittlicher storch benรถtigt um einen kilometer wasser innerhalb einer stunde zu durchwaten
07.03.2026 22:53
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A black and white picture from around 1900. It shows a short passenger train at a station going away from the viewer, just behind and above there is another train passenger climbing up a bridge about 20 feet (6 meters) above. Further in the background a mind train crosses a high metal trestle.
I hate when model railroaders keep squeezing in more track and more bridges into a scene. So unprototypical.
(Lead, SD)
08.03.2026 02:32
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Schrรถdinger hatte recht
23.02.2026 23:05
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Thumbnail of the conversion therapy video
New Philosophy Tube is up for Patreon backers
A history of conversion therapy from 1849-now including how the British government is bringing it back, and how to fight it
The lowest Patreon tier is $2 a month so you can see it now for as little as that
www.patreon.com/posts/early-...
07.03.2026 08:33
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yellow poster reading
WAR PLANS?
BLUE PRINTS?
PATROL ROUTES?
LEAK.
THEM.
TO.
US.
WELL THERE'S YOUR PROBLEM
PODCASTING COMPANY
PHILADELPHIA, PA
how expensive can that ad space really be...
05.03.2026 15:47
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Grauer Citroรซn C3 in der Seitenansicht.
Auf der Seite ist die Frontsilhouette der Lok Siemens Verctron in weiร abgebildet, daneben das Logo von DB Cargo. Das DB Logo und Teile der abgebildeten Lok sind in Regenbogenfarben abgebildet
Unsere Dienstwagen kรถnnen auch Bunt ๐
06.03.2026 15:33
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Two good Luxembourgish words for you:
If a pair of twins are identical, they are "eeneeรซg".
If they are non-identical, they are "zweeeeรซg".
06.03.2026 16:45
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Gifts from the US Supreme Court (a wooden box with a US constitution) and the Constitutional Court of the Kingdom of Belgium (a glass engraved with the building that court sits in)
Gift from the Supreme Court of Canada: a glass with two polar bears on it
Gift from the Conditional Court of the Republic of Mali which is a miniature version of a traditional porte/door from Timbuktu
Of course, the US gifts a copy of their constitution. Others were more original, like these polar bears from Canada or a traditional Timbuktu door from Mali
06.03.2026 18:01
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you can sum up Philadelphia's infrastructure pretty tidily by just pointing out that this person didn't throw away their BIG HOLE sign because they knew they'd need it again
l: May 2024
r: March 2026
06.03.2026 16:41
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06.03.2026 07:51
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Optical illusion of a woman bent over some papers. Her sunglasses are pushed up and she is wearing a hair band so the top of her head looks exactly like a Muppet face
Sorry I know the world is in a terrible fix but I've been laughing at this for ten minutes now
05.03.2026 21:49
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At least if it takes forever you can spend some time in the museum.
05.03.2026 11:11
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I love the "could not comment on the cause". Hm, why would a company that relies 100% in investor/government money for everything because it has no income because its product does not exist, run out of money? So many different optionsโฆ
05.03.2026 08:54
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The โshieldโ is intolerable here as well.
โParents tried to shield their children from water. Instead they died of dehydration.โ
Thatโs what the @nytimes.com headline here says. Both โshieldโ and โinsteadโ appallingly reinforce anti-vax attitudes and frames.
04.03.2026 14:18
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Controversial hot take: Utrecht Centraal is Liรจge Guillemins in useful.
04.03.2026 14:23
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Itโs still not terrible with 8 gigs but my gut feeling is that the moment you try to do anything interesting, this will quickly become the limiting factor.
04.03.2026 14:22
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Just 8 GB RAM in the MacBook Neo? Thatโs sad. With 16 it would have been a great deal.
04.03.2026 14:19
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I used to think we might see one or two Hyperloop lines built as gulf state airport links, like the Shanghai Transrapid, but these days I donโt even believe in that anymore. Still, itโs going to appear in the news every yearโฆ
04.03.2026 13:33
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Crazy that Hyperloop still isnโt dead even though itโs obvious now no commercial line will ever be built. But startups keep trying and failingโฆ
04.03.2026 13:25
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