Aluminium is a metal.

Aluminum is a metal.

Mix aluminum powder with iron oxide.

Well, it's not in the materials.

86 metric tons of aluminum plating, 170 tons of carbon steel ?

like, for instance, farmers and butchers, which seems logical.

There is very little 20th century technology in them.

When you get to the very bottom of the slide (Laughter)

We then go on to the first thing that was very surprising.

That is why they started providing aluminum pipes, aluminum barracks.

This is a bronze ball, an aluminum arm here, and then this wooden disk.

Look, this is the tetrapak awful materials from the point of view of the environment.

The ATA is the first telescope built from a large number of small dishes, and hooked together with computers.

The Spider's body is standard aluminum alloy.

And I'm going to kick it to Keith to explain why that's important from a technical standpoint.

So I'm sure all you engineers know that even though aluminum is a metal, it's not a magnetic material.

In moments of war there's great technological innovation, and in the world you have to do without well, during the Second World War, you had to do without steel, you had to do without aluminum.

The few surfaces not covered by signs are often clad in a distinctive, dark green gray, striated aluminum siding.

And they had this vision of the nurse, kind of, clicking away on this aluminum device and it all being incredibly, sort of, gadget lustish.

And the wooden disk was really thought about as something that you'd want to hold on to, and that would glide easily through your hands.

One of the suggestions about geoengineering has been that we genetically modify trees and plants, um, we genetically modify crops to be aluminum resistant, and this is ongoing at this time.

And we'll just keep adding them, dot, dot, dot, to a bunch of numbers, to big N minus 1 plus big N, right?

You have to do it. Hurry.

But... but...

Brands like Nike are doing it.

But I've run out of time and I don't want this video to get rejected.

Click on this side to pull it out and click to finish.

But when He broke bread, then we knew Him.

let's find a way to break them down with bacteria.

It didn't have to be the number 5.

And here is a bamboo building all of them are bamboo.

This is the Laplace transform of e to the and what's a? a is what we shifted by.

You know, all those hip, jazzy, supercool, neat, keen and groovy cats.

Who knew about extension managers?

I say, Try saying that to her.

You didn't notice it?

We have 2 right, right over here, this is 2 kilograms, I'll do that in purple color,so this is a 2, this is a 2, this is a 2.

There's always some tradeoffs.

It's trying to recover.

They're all exclamation points.

Singles. Mixed singles, gay singles.

Calm, peaceful, happy.

Look around your house, your office, your kitchen

Persia. Greece. Brooklyn.

No, thank you. We have been down that road.