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"Noooo you can't just skip hard steps of the proof. You're making your field inaccesible! You need to gradually build the reader's intuition and explain your argument in an approachable way so that other people can verify and understand the prooferinos"

Thinking about Newcomen's problem (when there's too much water at the bottom of your coal mine and you can't get it out)

I want to ride the forbidden carousel
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RT @pee_zombie
bro and this is just a 1/3rd scale model

biggest fuckin carnival gravitron ride ever
twitter.com/pee_zombie/status/

In a dynamical system y' = f(y), you can sometimes tell if a fixpoint f(y)=0 is stable just by looking at first-order data, namely if the matrix (Df)(y) is negative definite, it's stable. Is there an established term for these "first-order stable" fixpoints?

Dudes rock
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RT @archaeologyart
This drawing was made 750 years ago by a 7-years-old boy named Onfim who lived in Novgorod. (Novgorod birch-bank document No. 200) Self-portrait of Onfim as a threefingered horseman, striking the enemy.
twitter.com/archaeologyart/sta

For anyone wondering it's when the camera takes up a little bit of screen space at the top.

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It was surprisingly hard to find out what "notch" means in the context of laptops, because the Google results were full of articles talking about how the new MacBook has it without explaining what is is, and the image results were just a bunch of normal-looking laptops

Men will literally make hundreds of people play a series of extremely lethal games for their amusement instead of going to therapy.

Desperately need @Ada_Palmer to write a full cycle of books adapting Norse mythology.

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