This is the leftover, the 99 percent, where they've taken out the part they burn now, so it's called depleted uranium.

Another core has been depleted.

I'm too depleted to glamour you.

Yellowcake uranium, Mark.

You drive. You take your depleted battery out.

It's less than one percent of uranium, it's about 0.7 percent uranium.

Hardly at all. That's why it is still around. Uranium, two isotopes uranium 235, uranium 238 both of course are radioactive.

More recently, the friendly galactics have been assisting Gaia in removing most of the depleted uranium and other forms of radioactivity from the air, mitigating the effects of disasters

Uranium hexafluoride is a gas.

Uranium tetrafluoride is in solution.

He is not protecting himself from the uranium, he's protecting the uranium from himself.

And then we get to uranium.

They took natural uranium, and they separated those two isotopes, highly enriched it in uranium 235.

75 OF FlSHlNG GROUNDS ALMOST DEPLETED 40 OF ARABLE LAND DAMAGED

It's going to stay in solution. But the uranium will come out as uranium hexafluoride, a gas.

And uranium 233 is being consumed but the neutrons from the fission are making new uranium 233.

It became uranium 233. Isn't that cool?

These lovely ladies are uranium fuel rods.

Fishermen knew about these things they caught them, and they depleted them.

There's great concern that basking sharks are depleted all throughout the world.

Large uranium reserves for nuclear fission still exist.

Uranium is used in the production of nuclear power.

Here's the decay chain that uranium 232 is on.

like uranium, plutonium, and everything else when they decay.

So, uranium, which is very big, wants to split.

You wouldn't happen to have any uranium on you?

Because the sloth bears in the wild were obviously getting depleted because of this.

You're fissioning uranium 233, but you're making a new one.

This is a handful of these uranium oxide fuel pellets.

You hit the salt with fluorine gas, and what'll happen is... There's uranium tetrafluoride, four fluoride ions, and there's uranium hexafluoride, six fluoride ions.

Now What about thorium and uranium? Both are naturally occurring materials.

The uranium and plutonium took on a gas form to escape.

Uranium 233, if you hit it with a neutron it will fission.

And with current reactor technology we really don't have very much uranium.

And you have the uranium mining that you have to deal with.

That's impossible. Your ability to move at superspeed as well as travel in time has been completely depleted.

So they started looking at it, and it turns out, no, it's a really bad idea, because as you made the uranium 233, you were always making uranium 232.

Because I think it'll fission. I think it'll fission just like uranium 235.

Their major asset for developing nuclear weapons is the Natanz uranium enrichment facility.

It doesn't have anything to do, in specifics, with centrifuges, with uranium enrichment.

The radioactivities are mixture of Uranium and Plutonium used in Hiroshima and Nagasaki.

Production issues arise, as surface coal is depleted, and miners have to dig deeper and in less accessible areas.

We could use thorium about 200 times more efficiently than we're using uranium now.

They say to me, We're going to run out of uranium. I said, OK.

You've got this core fluid, a lithium beryilium salt, with uranium tetrafluoride in there.