And we keep sending more every day.

And on this axis, I'm showing dollars per person in income.

(Laughter)

I gotta call my mother.

At early times, those hundred billion galaxies were squeezed into a region about this big

Students need to decide, All right, well, does the height matter?

And everybody says,

So this brings me to lesson number one

Is the room big enough for you?

The shoes are the same size.

Look at the size of that. Oh, yeah.

Why that makes sense?

I need you to measure this hole.

We're not saying, 'OK this glass of water weighs so much, this handkerchief is so, so big.'

This box is three times as big as that one.

We had these magnificent tomatoes.

Global pastures cover 30 million km².

So let me write it like this, so x, is equal to 66 degrees.

look very much.

Font

Font Size

Size of particles

Size of tube

Grid spacing

Legal Frame Size

The boxes vary in size from small to large.

And so this is a photograph from the 1950s.

There's a model of ARES here.

Copepods are small crustaceans.

So, if you measured them, they would be.

Of a jet...

So I want change gears.

Because is actually turns out that most wavelengths of

light, especially the visible wavelengths of light, are much

This is always the hard part.

And it's been so clear how much you all care about trying to make this world a better place.

So if you tell me the size of some company, some small company,

So this will also be, this will also be 4x.

This church is not a big one, as churches go.

Is it large enough?

Here you can change the size of the resize handle.

lot, computers look very different. In this figure here, ya know, this thing was the size of a room.

And it's a remarkable map. It's in the National Archives here in Kew.

It's about a centimeter on the side.

We like different things.