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What is negative energy?

What is it, in essence.
From what I understand,
it is force from nothing right?
Like how at a College (Harvard I think?)
They have a vacuum with a half a hollow gold sphere and a small gold plate,
they are connected. And in the nothing, due to the force of tiny sub-atomic particle popping in
and out of existence they suddenly snap together.
This is negative energy?

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It is a hypothetical concept of particle physics. It covers any material which violates one or more energy conditions or is not made of known baryonic particles. Such materials would possess qualities like negative mass or being repelled rather than attracted by gravity. It is used in certain speculative theories, such as on the construction of wormholes. The closest known real representative of exotic matter is a region of pseudo-negative pressure density produced by the Casimir effect.


Negative energy is just a construct to deal with relative energies conveniently. For example, consider yourself sitting on the surface of the Earth. You might say you have 0 potential energy because you are standing on the ground. But if you dig a hole and jump down, you have just lost potential energy. Do you have negative potential energy now? Of course not, but it was easier to just start at 0 and take the relative energy, than to actually calculate the true energy with respect to the Earth’s core distance, the sun, the moon, and every other contributing factor… Read more »


Negative energy .. doesnt exist! (in simple language ignoring the “Academically correct” mumbo jumbo)