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Originally posted by MarrsAttax
reply to post by Maybe...maybe not
By the way is it just the people you have a problem with or the science or both?
Zero Point Energy (ZPE), or vacuum fluctuation energy are terms used to describe the random electromagnetic oscillations that are left in a vacuum after all other energy has been removed. If you remove all the energy from a space, take out all the matter, all the heat, all the light... everything -- you will find that there is still some energy left. One way to explain this is from the uncertainty principle from quantum physics that implies that it is impossible to have an absolutely zero energy condition.
For light waves in space, the same condition holds. For every possible color of light, that includes the ones we can’t see, there is a non-zero amount of that light. Add up the energy for all those different frequencies of light and the amount of energy in a given space is enormous, even mind boggling, ranging from 10^36 to 10^70 Joules/m3.
In simplistic terms it has been said that there is enough energy in the volume the size of a coffee cup to boil away Earth’s oceans. - that’s one strong cup of coffee! For a while a lot of physics thought that concept was too hard to swallow. This vacuum energy is more widely accepted today.
What evidence shows that it exists?
First predicted in 1948, the vacuum energy has been linked to a number of experimental observations. Examples include the Casimir effect, Van der Waal forces, the Lamb-Retherford Shift, explanations of the Planck blackbody radiation spectrum, the stability of the ground state of the hydrogen atom from radiative collapse, and the effect of cavities to inhibit or enhance the spontaneous emission from excited atoms.
Originally posted by MarrsAttax
reply to post by Welsh_Mulder
They'd have to be very efficient solar panels You may be able to answer this but wouldn't it be unlikely they would be able to draw enough power from our sun 'in-flight'. That would be no good either for interstellar travel, assuming they're from a different solar system. They may have very efficient batteries and a dyson sphere at home.
Do you have an opinion on anti-matter? Doesn't a matter/anti-matter collision produce 100% energy with the mass being anihillated? That may be more reasonable than extracting energy from the vacuum and wouldn't violate any laws of thermodynamics as far as I know. There is a LOT of energy locked up in matter.
Originally posted by ken10
reply to post by Welsh_Mulder
I thought that was a puzzling post, I mean do you believe ETs are visiting us ? And if so how do you propose they manage that......using your principles of Physics ?
I find it hilarious that we call ourselves smart because we have gained the power of the "Atom".......When all we do with that power is use it to drive a "Steam Engine"
Surely, If you entertain the notion that ETs are visiting us, then you have to entertain the notion that ETs are using a power far beyond our comprehension..........NO. Whether its "Free energy" or an energy that is within our current understanding of Physics, can only be speculation..........Hence why i can't understand such "Matter of Fact" posts such as yours.
However its still stands that you cannot create energy out of nothing, that is a fact, that will never change, it is a fundamental.
Originally posted by 8311-XHT
reply to post by Welsh_Mulder
Isn't oil free energy? Burning wood? How is zero point energy any different?
Originally posted by ken10
reply to post by Welsh_Mulder
However its still stands that you cannot create energy out of nothing, that is a fact, that will never change, it is a fundamental.
The thing is with this statement is this....
Forgetting the "Creationist" theory of how the universe was made. Before any kind of matter existed, we (As in the everything) must have came from Nothing.....So the energy to make everything that makes our universe Must have came from nothing...........Does that make sense.
Originally posted by MarrsAttax
Not according to J Allen Hynek and Blue Book. In that study it was found that the more data that was available the more likely the encounter would be unexplained.