Einstein's Proof of E=mc²

Ever wonder how Einstein proved E=mc²? This is how.

Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.

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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Music by Nathaniel Schroeder
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Thanks to Nima Doroud and Alex Yale for contributions and to Perimeter Institute for support.

• Category

  Science & Technology

[surfaceofthezun]

I totally got it.. heh

[smurfkidharley]

Though the first one is possible, the latter is certainly true.

[foreverwantingpie]

I don't see why you can say that the cat has kinetic energy because you're moving so it looks like it's moving... I will though. Waiting is.

[FlippedSided]

...yes

[maksymalol]

I feel like you could've done a much better job explaining this.

[lawson huet]

So umm is it energy equals mass times the speed of light squared

[simpant98]

am I stupid or are u really smart?

[Achirag Chirag]

I think he was being sarcastic XD

[dubssstep]

i didn't understand a single word of this

[paVlo711]

u wot m8

[shadowknight mare]

LOL cats cats cats cats cats cats e=mc2 XD