ViaCrucis
Confessional Lutheran
- Oct 2, 2011
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If energy can’t be destroyed, where does it return to?
E=mc2, when we get to the nuts and bolts of the universe, matter and energy are "basically" the same. That's how it works now.
Things do get weird when quantum mechanics gets involved. Physicists have been searching for the holy grail of physics by trying to find out a unified theory of everything. Because as of right now, we basically understand the universe through two separate models; one on the macroscopic (the Standard Model) and one on the microscopic (Quantum Theory). This is where those weird things like "String Theory" that sometimes get touted about come from, attempts to figure out how it all works together--but most theories like this end up not working, because the math doesn't fully work, and our observations end up meaning we have to discard or modify these theories. At present, there just isn't a unifying theory.
But that's probably more than this thread needed. As far as energy and matter are concerned, they can be converted from one to another. A good working example of this is the car you drive every day. Matter is converted to energy, burning fuel causes the pistons and parts of the engine to turn, and you have energy--heat, which causes kinetic--things move. You put your foot on the gas pedal, and the car moves forward. Energy can also become matter. We see this every day too, with plants. Plants soak up the radiation of the sun and through photosynthesis convert it into food which sustains them.
-CryptoLutheran
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