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Dennis Whyte

๐Ÿ‘ค Speaker
1833 total appearances

Appearances Over Time

Podcast Appearances

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

is there another way that we can get to this extremely worthwhile goal that maybe it's not that pathway?

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

And the other part that was clearly frustrating to me, because I'm an advocate of fusion.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

You asked me about, was I, you know, I was like, well, it's laser fusion or inertial fusion or magnetic fusion.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

I just want fusion energy, okay?

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

Because I think it's so important to the world is that, but the other thing, if that's the case,

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

then why do we have only one attempt at it on the entire planet, which was ITER?

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

It's like, that makes no sense to me, right?

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

We should have multiple attempts at this with different levels of whatever you wanna think about it, technical, schedule, scientific risk, which are incorporated in them, and that's gonna give us a better chance of actually getting to the goal line.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

At its heart, it's exactly the same concept as ITER.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

So it's basically a configuration of electromagnets.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

It's arranged in the shape of a donut.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

And within that, we would do the same thing that happens in all the other tokamaks and including in ITER and in this one, is that namely you put in gas, make it into a plasma, you heat it up, it gets to about 100 million degrees.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

The differentiator in SPARC is that we use the actual deuterium tritium fuel.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

And because of the access to very high magnetic fields, it's in a very compact space.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

It's very, very small.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

What do I mean by small?

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

So it's 40 times smaller in volume than ITER.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

But it uses exactly the same physical principles.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

So this comes from the high magnetic field.

Lex Fridman Podcast
#353 โ€“ Dennis Whyte: Nuclear Fusion and the Future of Energy

So in the end, why does this matter?