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RT @qikipedia
An ‘Arithmetic Rope’ is an ancient geometric tool used by architects, made out of a rope or string with 13 knots tied at equal intervals along it, allowing you to form both a perfect right angle and equilateral triangle.

RT @AeroDork
It blew my mind when I first discovered that 9V batteries were just 6x 1.5 V batteries wrapped together.

RT @SlenderSherbet
I don't know what to do about the world so I added some pan pipes to this. 🔊 🆙

📹: Imgur user PisseNisse

RT @Rainmaker1973
This is one of the evidences of the presence of a black hole at the center of our galaxy: these are the orbits of the stars around the the location of Sagittarius A* [read more: buff.ly/2n3zjKu]

RT @theavalkyrie
As per usual, writing the tests takes twice as long as writing the code, but gosh it feels goooooooooooooood.

RT @RaeMargaret61
Here are the women - Senate aides - who had the presence of mind and courage to transport and keep safe the electoral votes before fleeing the Senate. There will always be villains.
There will always be heroes.

RT @lynndewitttoya
i will never recover from this i have been laughing over this for weeks

RT @LSE_Angela
I am not joking that this came up among adobe.stock images of "woman science lab"

RT @themistyview
the stuffed dinosaur that astronaut karen nyberg sewed from russian food container liners while on the ISS has returned to my thoughts, as it often does

RT @ArchieDaRival
Best thing I found on the internet last year I think. Some real rocket scientists built a replica Gary Larson rocket that actually flew quite well.

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