The traveling wave reactor is another form of a liquid metal fast breeder reactor.

The common name for now is the integral fast reactor. If any of you are chemists in here you probably recall sodium has a great infinity for just about everything.

Babcock amp Wilcox that make nuclear reactors, here's an integral fast reactor.

This is really good! This was the genesis of the idea of the fast breeder reactor, a reactor that was based around having fast neutrons and plutonium fuel.

Then a few months ago they turned it back on and then somebody dropped a crane in liquid sodium and then they shut it off again, so you know everybody has tried the fast breeder reactor.

It's an important advance, but it's like a fast reactor, and a lot of countries have built them, so anybody who's done a fast reactor is a candidate to be where the first one gets built.

It's 94mg of sodium is well within my limit of 1500mg of sodium per day.

This is sodium not salt, remember.

The next thing is sodium chloride.

If I'm on a low sodium diet the amount was about 1500mg of sodium per day.

So they put all their chips fast breeder reactor and that didn't work out too well for them.

I have some good friends in nuclear industry. They are very big advocates of the fast breeder reactor.

The SDS part is Sodium Dodecyl Sulfate.

This is the kind of reactor we want to build and everybody who is pushing plutonium said, No, no, no, we want a fast reactor, that's the only way to do it.

It's an immense amount of sodium, tonnes of sodium and it got me thinking how in the world, and I'm not actually on a low sodium diet, but if I was...

So that's what happened to fast breed reactor in the United States, a couple of countries kept going with it.

They had invested very heavily in an alternative technology, the plutonium fast breeder reactor based on solid fuels and turning abundant uranium 238 into plutonium 239 and then burning it in the reactor.

These roasted potatoes get me 7mg of sodium.

And you titrated it with this sodium hydroxide.

So the sodium gives me 40 of 6,000, which when you multiply those two numbers you get 2,400mg of Sodium.

The liquid fluoride thorium reactor.

I'm just gonna write that here Low sodium diet .

The cup of noodles is about 1200mg of sodium.

Sodium chloride solid so solid salt, plus liquid water,

I'm going to do it both from a salt perspective and from a sodium perspective. So let's do the sodium perspective first.

Even the plutonium inside the reactor is what's called reactor grade plutonium, which isn't suitable.

A big pressurized water reactor vessel.

I'm working on that exact reactor.

This is a small modular reactor.

So it's a molten salt reactor.

And this reactor doesn't use water.

They shut down the main reactor.

These guys aren't deterred, they said, Well, here is what we'll do, we'll just build a fast reactor, because look how good it gets in the fast region, wow, it gets above two, three, wow!

I can try to figure out what proportion is from the sodium and what is from the chloride. So, for the first part, which is sodium,

I'm not the biggest fan of plutonium because I'm not crazy about the plutonium fast breeder reactor, but there's nothing good or bad about plutonium.

This was the Hanford reactor in Washington.

Thorium reactor that Nathan Myhrvold's involved in.

This region right here is the reactor.

Compared to the reactor 3 building, the removal of debris from the reactor 4 building is making headway.

That's what makes it that you cannot burn up uranium 238 in a thermal spectrum reactor like a water cooled reactor like a CANDU or like a water reactor.

Fast

Fast

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Fast.