When I stack them on top of each other, this is what it looks like. What do you notice?

Your idiot colleagues: store whiteboard pens on end to get all the ink out.
You, an intellectual: store them flat to make sure the solvent mixes properly.
Me, a bona fide genius:

I really love this piece by Edmund Harriss, in the stairwell of my department

Just remembered that I ordered @henryseg's book yonks ago and hadn't checked my pigeon hole since. Getting stuck in now!

I made some t-shirts!
Would it be worth me putting them up for sale on a print-on-demand site?

Does it bother anyone else that the numbers on the shapes don't correspond to their orders of rotation?

The Organum Mathematicum is a fabulous-looking thing:
vps280516.ovh.net/divulgamat15/i…
A box of sticks which form tables to help with mathematical calculations, sort of like Napier rods, but for artillery and music?! Of course this oddity is a product of Athanasius Kircher!

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Mathstodon

A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.

Use \( and \) for inline LaTeX, and \[ and \] for display mode.