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caumaan
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What is anti-energy? Does it have some of the awesome energy-based counterarts of antimatter? Applications?
Originally posted by selfAdjoint
Negative energy is a concept that principally concerns general relativity. [/B]
Originally posted by Doctor Luz
It also concerns parapsycologists, ghosts and all of this stuff...
Jocking appart, what is the negative energy in general relativity? is a specific concept of GR or is simply that the solutions are negative numbers?
Negative values for energy are common on classical and semiclassical physics. This only deppends on the reference value you set for the energy.
Originally posted by selfAdjoint
So they allow the solutions would be physical but not until someone comes up with the negative energy. Which they hope never happens, because that way lies FTL, and FTL leads to time travel and time travel breaks causality.
Its been found that you can arrange 2 electrons so they have opposite spins. There total spin in this case = 0. Now if you measure the spin of one of the electrons in a particular way then the electron will always measure, say, -1. When the other electron spin is measured, and it doesn't matter how, it will indicate 1. And it works opposite also. You can use the other method to measure the first electron and it will then measure 1. And no matter how you then measure the second electron it will measure -1. And the moment a person measures the first electron "instantly" the second measures the opposite
selfAdjoint said:The negative energy in the GR solutions for worm holes and metric engineering would be genuine if the solutions were physical. Physicists are reluctant to call the solutions unphysical, because that would be arbitrary. What if it were discovered that black holes solutions had negative energy somewhere?
So they allow the solutions would be physical but not until someone comes up with the negative energy. Which they hope never happens, because that way lies FTL, and FTL leads to time travel and time travel breaks causality.
Thanks for clearing that up. I've often wondered in the back of my head why the principle of entanglement couldn't be used in principle to transfer information instantaneously... Would be handy for those robots many light-minutes away, and have ramifications for possibly sending very small sensor objects to other stars. Now I know. :)selfAdjoint said:Uncertainty means you don't have the control over the particles you think you will. You can never be sure the particle you choose to tweak isn't already tweaked. And you only get one tweak; the first one destroys the entanglement. So the entanglement can only be seen in the statistics of particles.
Anti-energy, also known as negative energy, is a hypothetical form of energy that is believed to exist in contrast to traditional forms of energy. It is often described as the opposite of energy and is thought to have a negative effect on the universe.
Anti-energy is currently only a theoretical concept and is not yet proven to exist. However, in some theories, it is believed that anti-energy could potentially be harnessed for various applications, such as powering advanced technology or even as a source of propulsion for spacecraft.
Currently, there is no evidence that anti-energy can be created or destroyed. In fact, some theories suggest that anti-energy may already exist in the universe in the form of dark energy, which is thought to make up a large portion of the universe's energy and cannot be destroyed.
Since anti-energy is a hypothetical concept, there is no concrete evidence of its potential dangers. However, some theories suggest that if anti-energy were to come into contact with traditional forms of energy, it could result in destructive reactions and potentially have catastrophic effects on the universe.
As anti-energy is still a theoretical concept, there are currently no known applications of it. However, scientists continue to study and explore the concept in hopes of better understanding its potential uses in the future.