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Jamshrivelson


Puzzle Solutions

Morning walkabout

Will the friendly ant have an unusual experience?

Posted on July 26, 2022

Tags: recursion counting waiting-time coarse-graining jane-street

Hide and go seek tower

Now you see me, now you don't

Posted on July 3, 2022

Tags: geometry approximation physics materials

Goat Tower Penthouse

What's the chance this unlucky entrepreneur will have to finance a goat party?

Posted on June 25, 2022

Tags: counting recursion

Colorful balls

How many do they have?

Posted on June 19, 2022

Tags: counting inference

Grasshopper jumps

Where will you find this beautiful and mysterious creature?

Posted on June 11, 2022

Tags: equilibrium detailed-balance rates

Introverts' Exodus

Can you get some privacy on your last walk into the great beyond?

Posted on June 5, 2022

Tags: generating-functions counting exclusion

Sag A* alignment

Here's lookin' at you kid.

Posted on May 22, 2022

Tags: probability geometry

Different Dice

Get absorbed by these dice.

Posted on May 14, 2022

Tags: coarse-graining counting

Broken Elevator

How many times will you press the broken button?

Posted on May 7, 2022

Tags: expectation structure dynamics

Antipersistent Basketball

Who will win if nobody cares until they're losing?

Posted on May 1, 2022

Tags: coarse-graining scaling symmetry
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Josh Silverman  •  2025

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