The Second Law of Thermodynamics
In Our Time
00:00
The Negative Entropy of the Sun
We've got a negative entropy happening locally because the sun is making positive entropy in a much larger scale. So let's move a bit further out now, John Griffin, and go to the Big Bang where presumably if disorder is coming from order, then we can look for a point where there was only order. Could you just take that on a bit? Yeah, certainly. It was a big puzzle until quite recently. But when we look at a larger system, like the system which incorporates the sun, then we see what's actually happening," he says. "The sun is this enormous ball of hydrogen, and the hydrogen is fusing together to become atoms of helium"
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