Lee Cronin
speaker
545 appearances
2 recordings
1 series
first heard Dec 2023
last heard Jun 2024
Lee Cronin’s voice in public audio — every appearance, attributed to the second.
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Appearances
Yeah, but he would agree with that statement.
Reassure them that one of the reasons they'll stay sane is by trying to work on concrete problems.
If I knew how Lee's brain worked, I think I would understand a little more about the universe, but I...
You got to live.
Yeah. It's like, instead of like, well, you could have the blue check, but you should have like, are you a pessimist and optimist? Yeah. There's a lot of neutral.
Yeah, of course. Uh, people are complex. Yeah.
I'm trying to imagine all the little flickering lights in the universe in the way that you were describing it.
Yeah, I don't know. I've been kind of obsessed with the – I never know how to pronounce it – Schiaparelli.
It's pretty big.
You can make this with me when he was here, too.
Let's pick apart.
Yeah, that's spot on.
Yeah, an object. So if I'm going to try to be as meticulous as possible, objects need to be finite and they need to be decomposable into subunits. All human-made artifacts are objects. Is a planet an object? Probably yes, if you scale out. So an object is finite and countable and decomposable.
um i suppose mathematically but yeah i still i still wake up some days and go to think to myself what is an object because it's it's it's a non-trivial um question persists over time i'm quoting from the paper here an object that's finite is distinguishable i'm sure that's a weird adjective distinguishable
We've had so many people offering to rewrite the paper after it came out, you wouldn't believe it's so funny.
I'm happy with both depending on the day.
Yep.
So the assembly index, if you're to take the object apart and be super lazy about it or minimal, it's like you've got a really short term memory. So what you do is you lay all the parts on the path and you find the minimum number of steps you take on the path to add the parts together to reproduce the object. And that minimum number is the assembly index. It's a minimum bound.
And it was always my intuition, the minimum bound in assembly theory was really important. And I only worked out why a few weeks ago, which is kind of funny. Because I was just like, no, this is sacrosanct. I don't know why. It will come to me one day. And then when I was pushed by a bunch of mathematicians, we came up with the correct physical explanation, which I can get to.
But it's the minimum. And it's really important. It's the minimum. And the reason I knew the minimum was right is because we could measure it. So almost before this paper came out, We've published papers explaining how you can measure the assembly index of molecules.
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