Googol and Googolplex - Numberphile

We're talking pretty big numbers here... And an interesting idea about what it'd be like traveling in a Googolplex-sized Universe!

With Antonio (Tony) Padilla and Ria Symonds from the University of Nottingham.

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Videos by Brady Haran

About the brown paper: http://periodicvideos.blogspot.com/20...

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• Category

  Science & Technology

[bella belle]

How many atoms could you fit in the universe? Bigger than googol?

[MrTravisTank]

The planck distance is actually smaller than an atom.

[StreetFighterCasuals]

Short Scale:

1,000,000- million

1,000,000,000 - Billion etc. It's just named out of convience

Long Scale

(1,000,000)^1 = million

(1,000,000)^2=1,000,000,000,00­0=Billion (raised million to the power of 2 [bi])

(1,000,000)^3=1,000,000,000,00­0,000,000= Trillion etc.

[Rayan Al-Suwailmi]

But it doesn't make any sense. A million is a thousand thousand. And a billion is a thousand million. A trillion is a thousand billion...etc. I'm not trying to make a fuss or anything. I'm just trying to understand the different scales. And by the way, I'm from Saudi Arabia :)

[nekogod]

He can certainly conclude there would be 2 you's despite the rarity, in fact you could ask in our universe is any m^2 of space exactly identical to any other? Maybe, maybe not. A cubic meter of star A is not the same as a cubic meter of star B, he's talking EXACT copies down to the speed and position of each individual particle, I would wager every m^2 of our universe is unique and no more or less likely to be repeated than any other.

[Ziggletooth]

you've missed the point entirely. lets take another example.

a cubic feet of star is more common than a cubic feet of hippo in the universe, so the chances of exactly the same particle placement of a cubic feet of star is significantly more likely than coming across another exact copy of hippo particles.

the composition of the universe is not random, humans are rarer than rock etc. he didn't account for the composition of the universe so he cannot conclude whether there could be two you's

[lekremyelsew]

First find out how many Brady-volumes could fit in that universe, then divide that number by the amount of quantum states that can exist within 1 Brady-volume.

[huntinater6k]

Get NASA's new quantum super computer and copy and paste 0's, you'd probably reach googolplex fairly quickly

[Paul Pittlerson]

I'm pretty sure they were talking about 'the observable universe', which is not infinite. No one knows for sure about the actual full universe yet, but our best guess so far is that it's infinite.

[Jonah Pearl]

So if you use Wikipedia, the universe's diameter is 93 billion light years, the Van der Waal radius of a carbon atom is 170 pm. If you convert units, cube both to find volume, and divide, you get 1.732839*10^103. Math.

[Jonah Pearl]

Well if we say the universe is infinite, you can basically say anything you want about it and it must be true (i.e. somewhere there are monkeys floating in space writing out Shakespeare's plays in some language that has yet to be created on Earth). But that seems outlandish; I think this video assumes the universe is finite.

[Jonah Pearl]

I was about to write the same thing but then I saw you had already written it. The probabilities of quantum states are probably not all equal, and you generally need energy input to create many of the molecules that make up life. Please correct me if I'm wrong, though.