Finite yet unbounded space?
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29-12-2013, 08:32 AM
 
RE: Finite yet unbounded space?
(29-12-2013 08:19 AM)Chas Wrote:  
(28-12-2013 11:48 PM)Mike Wrote:  The energy is conceptualized by us humans. It is a RELATION, not an object. It establishes a RELATION between objects. "Energy", rationally interpreted, is an abstract concept, specifically a conceptual RELATION. Energy relates matter, its motion, and the distance it has travelled, and how much time it took for it to get there. Energy is not a thing.

You are wrong. Energy is a thing, it exists. The universe started as pure energy - matter condensed out of it.

Unfortunately, “pure energy” isn’t really a thing. How can this "pure energy" exist if there are no matter around? Aren't matter can't be created and destroyed?
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29-12-2013, 09:26 AM
RE: Finite yet unbounded space?
(29-12-2013 08:32 AM)Mike Wrote:  
(29-12-2013 08:19 AM)Chas Wrote:  You are wrong. Energy is a thing, it exists. The universe started as pure energy - matter condensed out of it.

Unfortunately, “pure energy” isn’t really a thing. How can this "pure energy" exist if there are no matter around? Aren't matter can't be created and destroyed?

Yes, energy is a real thing: electromagnetic waves are pure energy, e.g. visible light, microwaves, gamma rays, ...

The Big Bang posits pure energy being created. As the universe expanded during the inflationary period, the universe cooled and the large potential energy of the inflation field decays into particles. Matter comes from energy.

Skepticism is not a position; it is an approach to claims.
Science is not a subject, but a method.
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29-12-2013, 03:58 PM
RE: Finite yet unbounded space?
(29-12-2013 08:32 AM)Mike Wrote:  Unfortunately, “pure energy” isn’t really a thing. How can this "pure energy" exist if there are no matter around? Aren't matter can't be created and destroyed?
Matter and energy are the same thing, just in different forms. E=mc^2
c^2 is a constant therefore E and m are proportional to each other.
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04-01-2014, 05:44 AM
Re: Finite yet unbounded space?
Wow this thread went farther out of the bounds of space than I thought it would go. Not sure where Mike is coming from but the whole, humans bias creating their perspective of the universe dribble has gotten old. That's how it comes, but being aware of it doesn't mean it negates the scientific understandings.

I'm a bigger fan of infinite yet bounded space, but that's the Hamlet in me.

"Allow there to be a spectrum in all that you see" - Neil Degrasse Tyson
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