Albert Einstein: The Size and Existence of Atoms

How do we know atoms exist? And just how big are they?

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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Thanks to Nima Doroud and Alex Yale for contributions and to Perimeter Institute for support.

• Category

  Science & Technology

[Albert Einstein]

Yep.

[Crystan]

I had a brownian motion once. I'll never eat at that restaurant again.

[Zarnirox]

Ok, that was the funniest damn thing a saw all day. XD

[fireditto102]

is your faverit scientist Einstein couse you have alot of vidios about him

[xseth1]

Pretty much everyone, but pretty much everyone also knows that he defected from Germany because he disliked Germany.

[MrShijimaX]

You're a regular.........Einstein?

[fatchicken18]

average

[fatchicken18]

now its 241

[fatchicken18]

We have microscopes that can look at atoms, PAY ATTENTION TO NOW (or 80 milliseconds in the past, as Vsauce said)

[floopsie666]

you're fucking kidding right? we have photos of atoms and you still think we can only see cells..how fucking ignorant are you?

[PhysicsOfParkour]

haha its easy because it has already been found out

[trejkaz]

"In particular" ufufufufufu