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Reply With QuoteI still think the thermodynamics definition of time works the best. By that definition, we only perceive the passage of time because our brains use irreversible chemical reactions.
I watched a really good program about time.
Anyway, Einstein theory says that time is like a dimension like space. So the future, past and present are already real. What I mean real is like how space or distance is real in the sense that point doesn't go away if you move towards a point or away from a point. In this case time is a fixed dimension and we have no free will, we are just following a path through space time.
However, Einstein theory doesn't go well with something called Quantum mechanics, which is probabillistic. Although without a current theory of everything its hard to say what time actually is. However, some people believe time is discrete i.e. you can't chop it up into infinite pieces.
This gives way to a model of time being like a sand glass where time is being created when we move forward, by all the little pieces of time that add up.
Saying that John Conway proved that if humans have free will then so do elementary particles http://en.wikipedia.org/wiki/Free_will_theorem , so even if the universe not determined like a fixed dimension and you believe in free will, you will have to agree that atoms have free will.
Anyway, I wonder what time actually is.
Xaqaria
The planet Earth exhibits all of these properties and therefore can be considered alive and its own single organism by the scientific definition.does the planet Earth reproduce, well no unless you count the moon.7. Reproduction: The ability to produce new organisms.
I still think the thermodynamics definition of time works the best. By that definition, we only perceive the passage of time because our brains use irreversible chemical reactions.
In some models of cosomology doesn't thermodynamics versus itself and time goes the other way. As I read somewhere that Hawking was saying that in a black hole time might reverse itself because everything is contracting and this has an effect on thermodynamics, although I have recently read that Hawking now rejects this view.I still think the thermodynamics definition of time works the best. By that definition, we only perceive the passage of time because our brains use irreversible chemical reactions.
Xaqaria
The planet Earth exhibits all of these properties and therefore can be considered alive and its own single organism by the scientific definition.does the planet Earth reproduce, well no unless you count the moon.7. Reproduction: The ability to produce new organisms.
Hawking had that hypothesis but then one of his students proved him wrong.Originally Posted by wendylove
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