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Re: What is Twistor Theory? | Roger Penrose AND What came before Big Bang? Why he changed his mind.

By: Zimbler0 in GRITZ | Recommend this post (0)
Tue, 10 Jun 25 12:24 AM | 11 view(s)
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Msg. 09470 of 09637
(This msg. is a reply to 09462 by De_Composed)

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Decomposed > I gave you a hypothetical. IF the universe were to shrink substantially - for whatever reason - God, Gravity, the Honey I Shrunk The Kids gadget, whatever - yet still had its contents including its energy, it would get hot. Shrink it small enough and it would get REALLY hot.
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I don't have a problem with that theory. What I do have a problem with is "What made it shrink?" What is outside the box?

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Decomposed > There is nothing else. And the universe is, as you suppose, infinite. So there's not even an "edge" to one day approach. Are you still moving?
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That reminds me of that old saw "If a tree falls in the forest and there is no one around to hear it - does it still make a noise?"

So, OK. I'm tooling down a highway in Montana at eighty miles per hour and some really ugly space aliens succeed in making everything disappear - except me and my car and somehow somebody managed to install a life support system in my car. Inertia dictates that me and my car will still have that eighty mph we was going when everything disappeared . . . Along with whatever orbital velocity the earth possessed when it got disappeared . . . along with the velocity the solar system possessed and the milky way's velocity etc. etc. etc.

With no 'frame of reference' as in no landmarks or anything to check what velocity I'm actually traveling at . . . It would be difficult to prove one way or another.

Zim.




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The above is a reply to the following message:
Re: What is Twistor Theory? | Roger Penrose AND What came before Big Bang? Why he changed his mind.
By: De_Composed
in GRITZ
Mon, 09 Jun 25 10:14 PM
Msg. 09462 of 09637

Zimbler0:

Re: “You got this big old universe . . and are trying to shrink it down to a point . . What's making it shrink?”
I gave you a hypothetical. IF the universe were to shrink substantially - for whatever reason - God, Gravity, the Honey I Shrunk The Kids gadget, whatever - yet still had its contents including its energy, it would get hot. Shrink it small enough and it would get REALLY hot.

But don't worry. I don't think anything will ever shrink the universe. Certainly not gravity. But something MIGHT make its size be of no importance one day.

Here's a fun thought experiment for you. If you're in your car zipping down the highway and the highway suddenly disappears... then the earth disappears... then all the planets and stars and, well, EVERYTHING disappears... so that it's just you and your car. There is nothing else. And the universe is, as you suppose, infinite. So there's not even an "edge" to one day approach. Are you still moving?






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