Abakcus
@abakcus
Abakcus is the best curation site for math and science. Please subscribe my weekly newsletter! It is FREE! http://beyondeuclid.substack.com
The Fourier Transform, explained in one sentence by Stuart Riffle. [bityl.co/NGqj]
![abakcus's tweet image. The Fourier Transform, explained in one sentence by Stuart Riffle. [bityl.co/NGqj]](https://pbs.twimg.com/media/Gwetpu8WsAAb_Pn.png)
This is the “Staircase to Knowledge” at the University of Balamand in Lebanon. Each step is a classic—leading up to the library.

Hundreds of beautiful Japanese firework designs from the early 1900s—digitized and free to download. archive.org/details/Illust…



A mathematician always turns into an artist with chalk and a blackboard. Mathematicians and their blackboards by Jessica Wynne 😍 [bit.ly/3oiKVLE]
![abakcus's tweet image. A mathematician always turns into an artist with chalk and a blackboard.
Mathematicians and their blackboards by Jessica Wynne 😍 [bit.ly/3oiKVLE]](https://pbs.twimg.com/media/GwKpOfkWAAAP501.png)
![abakcus's tweet image. A mathematician always turns into an artist with chalk and a blackboard.
Mathematicians and their blackboards by Jessica Wynne 😍 [bit.ly/3oiKVLE]](https://pbs.twimg.com/media/GwKpOfjWYAE-3si.jpg)
![abakcus's tweet image. A mathematician always turns into an artist with chalk and a blackboard.
Mathematicians and their blackboards by Jessica Wynne 😍 [bit.ly/3oiKVLE]](https://pbs.twimg.com/media/GwKpOf8WkAEsGY6.jpg)
![abakcus's tweet image. A mathematician always turns into an artist with chalk and a blackboard.
Mathematicians and their blackboards by Jessica Wynne 😍 [bit.ly/3oiKVLE]](https://pbs.twimg.com/media/GwKpOfkW0AALJw1.jpg)
A t-shirt folding machine. Pure engineering. Deeply satisfying to watch.
The symbol π was first used in 1706 by mathematician William Jones to represent the ratio of a circle’s circumference to its diameter.

Vintage Polish postage stamps featuring space missions and satellites from 1957-1962.

This is what happens when art meets physics and engineering. abakcus.com/video/connecti…
The beautiful geometry of Budapest's staircases. They are like time machines. behance.net/gallery/847955…




This geometry gif shows what the “polygonal sine” looks like for the square and the hexagon. [bityl.co/Hphu]
A site dedicated to animated knots. 100s of knots. All animated. All useful. animatedknots.com
Golden Ratio Biscuit Cutter. For mathematically perfect bakes—literally.
