Abakcus

Two layers of printed lines. One on the page, one on a clear film. Slide the film. That's it. That's the whole technology. The moiré effect has been known since the 19th century. Kurashima bound it between two covers. abakcus.com/videos/poemoti…

The graph of x•sin(1/x) 👀

These six books will change how you see π — and you won't be able to unsee it. abakcus.com/book-lists/boo…

This is what happens when art meets physics and engineering.

"Mathematics is a continuing creative endeavor with aesthetic values similar to those found in art and music. In particular, mathematics is a living subject, not one that has long since been embalmed in textbooks." - From 1955 College Board Mathematics Commission's report.

A handy guide to subsets of the real numbers. thinkzone.wlonk.com/Numbers/Number…

Each of the white circles are really just moving back and forth along a straight line. intothecontinuum.tumblr.com/post/576546282…

“What one fool can do, another can.” — Calculus Made Easy (1910) The original “you got this.”

This applied math textbook starts its chapter on ring theory with a quote from Sauron. [tinyurl.com/4kkms5b8]

Juggler juggling juggling jugglers.

This art work by Rafael Araujo is pure math.

Mathematics.

The first 1,000 numbers. Every yellow line represents a prime number.

Spinners. beesandbombs.tumblr.com/post/881759607…

Here's Looking at Euclid by Helen Friel. Helen Friel is a paper engineer and she make beautiful things. Look at these paper sculptures of Oliver Byrne's version of Euclid's Elements. 😍

If you divide 1 by 998,001 you get all three-digit numbers from 000 to 999 in order, except for 998.

Isaac Newton's college notebook, handwritten by the genius himself around 1664.