Energy where does it come from?!

sweet springs

Hi. We find and use hidden or potential energy for our purpose for example:
We use coal for fire. Coal store chemical energy inside. We release and use it.
Energy of light from Sun was stored in coal long time ago.
Nuclei core contains atomic or actually coulomb energy inside it. We use it.

We can find or transform energy but cannot create energy.
Regards.

Hypo

That I understood and its the simplest thing about energy honestly... But I can't believe that honestly because so far I believe energy was created at some point and released with the bigbang. That dense heat itself is massive amounts of energy so as matter was created from that energy aslo ani-matter that heat was increasing constantly and before the bigbang there was nothing so I guess energy was created at that point or transfered from a previous source before the bigbang that means there is something before it huh? Everything contradicts the other thing...

If they would understand the bigbang more maybe we could shed some light to this... I believe in the bigbang I believe in energy so as matter but I do believe they were created. Not constant and was "THERE" for all eternity.

Honestly guys do you think energy is like that there no begging and no ending? We don't even understand it properly...

FeX32

Energy "is", and will always be. It is that which drives this universe.
Of course we do not know where it originated from, as we have only been around for a little while, if we knew the answer to that question we would inherently know the answer to the other 1000 questions that boggles us today.

Hypo

Another point! Dark energy is expanding the universe.
Now many physicist agree the the universe will stop expanding now what would happen to all the dark energy? Its transfered or destroyed... But where can all that 73% of the universe go? Maybe transforms into matter.

Its all confusing and lead up to many questions now this motivates me to study energy & matter more and more.

Hypo

That leads me to think about eternity more and more lol...

Drakkith

You say it is a "thing", but is it really? Consider that the only time we see energy is when something changes. Particles move, light is radiated away, etc. Have you considered that energy is not a "thing" but merely a property of a system? Perhaps a result of the arrangement of it's parts and the interactions of various forces.

We don't? Are you certain? Consider that we've known about energy for over 100 years and only through thorough investigation have discovered that energy is never created nor destroyed. If you imagine energy as the above description then it makes sense. Destroying energy would be destroying part of the system itself, which in our case is the universe.

Also, it is beyond our ability to discuss anything that happened before the big bang, which represents the point in time that our universe came into existence as we know it. Perhaps there was something prior to it, perhaps there wasn't, but we have no way of knowing with any amount of certainty, so we cannot discuss anything but opinions about it.

Drakkith

Current evidence supports the idea that the universe will not stop expanding but will in fact accelerate, possibly forever.

Hypo

What current idea's support it?

For every beginning there is an ending in this life this universe is one of them. Since this universe is "Created".

Hypo

I've read a few articles its states that Dark Energy is going to constantly keep the universe expanding.

Im guessing because "energy" can't be destroyed? Or then the fact its covering 73% of the universe.

Drakkith

Observations of supernovas has shown us that the rate of expansion is increasing, aka it is accelerating. A Nobel prize was recently awarded to the guys that discovered this.

Hypo

If it is accelerating it will lose that speed and then stop expanding at some point then roll up again form the gravity now maybe this is a theory. Oh yea there is on like that. "Big Crunch"

Drakkith

Energy conservation is much more complicated in general relativity, so that one is hard to answer. Part of it is that energy isnt as well defined in GR.

Hypo

Energy + matter is something that should be studied constantly over and over again!
I find there is more to it than what was stated before.

THE Reason for my questioning is it does not make any sense some of you could careless about it because since I can understand energy as it is and it fits my conditions its all good. Maybe there is more about... Could be were missing the "big picture" of it all meh... At the end I'll still read energy + force + matter because all of them play in an amazing role that we still know "not nothing but" a small part of it...

Drakkith

No, it will not. Not according to recent evidence.

Hypo

Could you link me you're evidences so I can take a look at it?

You're only support for that argument is that the universe is expanding? Why then(in you're opinion)?

Drakkith

http://en.wikipedia.org/wiki/Accelerating_universe
http://en.wikipedia.org/wiki/Superno...mology_Project
http://www.bbc.co.uk/news/science-environment-15165371
http://www.nobelprize.org/nobel_priz...aureates/2011/

russ_watters

You're confusing "accelerating" with "decelerating". "Accelerating" is to go faster and faster. As in - keep expanding at an ever increasing rate. It's the opposite of stopping.