The standard explanation of a prism falls short // TRAIN BRAIN

The standard explanation of a prism falls short

In the full video, I wanted to dig deeper to understand light slows down, and why this would depend on the color.

3Blue1Brown

3blue1brown, by Grant Sanderson, is some combination of math and entertainment, depending on your disposition. The goal is for explanations to be driven by animations and for difficult problems to be made simple with changes in perspective. Contact and F...

The scale of training LLMs

This puzzle is tricker than it seems

The Triangle Of Power

The twirling tiles puzzle

Why 4d geometry makes me sad

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How to derive a formula for π

The limit of limiting arguments

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Can you even imagine 2^256?

Order from chaos

The surface area of a sphere

A short on shorts

A pretty way to add weighted dice

Image blurring

These integrals all equal π, until...

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Error correction is incredible

The chessboard and coins puzzle

Prime spirals

The barber pole effect

Fourier series

Seeing with sound

The standard explanation of a prism falls short

I'm still astounded this is true

Don't let it fool you!

Prime spirals

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But what is a convolution?

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Olympiad level counting

The mathematically optimal Wordle strategy

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A few of the best math explainers from this summer

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Newton's Fractal (which Newton knew nothing about)

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Hamming codes, h■w to ov■rco■e n■ise.

Why I love 808,017,424,794,512,875,886,459,904,961,710,757,005,754,368,000,000,000

The impossible chessboard puzzle

Contact Tracing and Privacy Protection (via Nicky Case)

Lockdown math announcement

Exponential growth and epidemics

The quick proof of Bayes' theorem

Bayes theorem, and making probability intuitive

Why do prime numbers make these spirals?

This problem seems hard, then it doesn't, but it really is