If energy can neither be created nor be destroyed, then where existing form of energy came from??

Answer 1

Good question.
The Big Bang does not explain it - it claims something came from nothing, which violates the known laws of science and common sense.
The fact that energy/mass exists points to there being a creator.
Likewise, the fact that information exists also points to a creator. Information does not arise by itself.

Answer 2

Energy can't be created or destroyed, but you can change one kind of energy (say kinetic energy in a driving car) into another (deformation energy, when the car hits a wall).
You also have to take into account that matter is just a special form of energy. So stars annihilate matter in nuclear reactions to produce energy in form of radiation. That's where most of the energy we see comes from.
Of course you could also ask where does matter come from, then you'd be going back to the big bang where the universe was created.

Answer 3

Scientific American magazine did an article several years ago called "the decay of the vacuum" and it went into this precisely. They said (amoung other things) that if you have a massive enough particle it will cause the vacuum around it to spontaneously break down into particle/antiparticle pairs traveling in opposite directions thereby preserving both mass and momentum and so the net gain or loss of energy is zero. They were waiting for a certain large accelerator to come on line ( at CERN I think) so that they could make the large particle needed by smashing two uranium atoms or maybe nuclei together and watching what particles came out of the collision. You really need to look up that SA article to get the full story. Of course this begs the question of where did the very first large atom come from to cause the very first vacuum decay to occur to start this whole process off in the first place.

Answer 4

I actually battle with the whole concept of energy not being destroyed. I was taught that energy changes from one form to another. OK, but what about the following scenario...

You switch on a light. There is a flow of electrons that goes through the lightbulb "element" (?), which acts as a resistor, causing the element to heat up and thus generate light. The energy of the electrons is now light and heat energy. Switch off the light and where is the energy?

Just curious.

Answer 5

Energy changes form. The existing energy is just another form. Where all the energy came from in the first place is like asking where the universe came from.

You're going to have to ask your physics teacher.

Answer 6

The origin of the energy is unknown... but it is our nature to claim that there must first be an origin... In my opinion the evidence supports conservation of energy... Energy can not be created or destroyed. We know there is energy. So my conclusion is there has always been energy in one form or another. There is no origin, just a previous form.

Answer 7

matter energy and gravitational potential energy are essential opposites, if we suppose the big bang and quantum theory to be correct then the universe could be a single quantum fluctuation-particles/anti particle pairs have been proven to pop into and then out of existence (as if they borrow energy from a virtual energy bank), the more energy it takes to create the pairs the shorter time before they pop out of existence, thereby repaying the bank. if the gravitational potential energy is precisely the same then they universe could exist for ever and the energy and matter within it came from the big bang/quantum event

and being a scientist who just read the last answer - rubbish

and the next answer suggests that for the universe to exist requires a creator must by default accept that if that creator exists they to need a creator etc etc

Answer 8

Here is a concept to think about. Nature in all forms is the basic example of energy. Why couldn't it be created then. The problem that we have these days is that since we live in a 3 dimensional world we only apply 3 dimensional properties to energy. Why don't we use natures example and use 4 dimensional properties to create and mantain energy? It can be done :o)

Answer 9

'from' means place, but place has only existed since 'the big bang' - most people reckon. But the source of the energy is a huge question and leaves the way open for religions to promote gods, maybe it is understood but never publicised! (in those cases, what are these gods playing at, why, etc?)
I'm happy with the 'why' part of the big-bang/energy/matter, that crops up. There is no WHY.
If you don't switch an appliance on the energy stays at the power station.

Answer 10

This question reveals a great flaw in human psychology. Humans feel that everything has a beginning and an end; people are born and die, movies/plays/books begin and end, roads begin and end, etc.

Our psyches are wrapped around beginnings and endings so tightly that when we see a natural law such as "matter and energy cannot be created nor destroyed" we automatically assume it had a beginning. We quickly forget that it cannot be CREATED or DESTROYED and start asking about a beginning! Matter and energy have no beginning and no end- these do NOT apply.

Answer 11

The energy in the universe first came from the big bang, this created hydrogen. The hydrogen formed stars, stars exploded and formed other elements. These formed planets.
Energy around us comes from the sun and rotational energy, radioactivity, gravitational energy from the Earth for example.