intj123's channel

Albert Einstein's theory of relativity shows that energy and mass are the same thing, and that neither one appears without the other. Thus in closed systems, both mass and energy are conserved separately, just as was understood in pre-relativistic physics. The new feature of relativistic physics is that "matter" particles (such as those constituting atoms) could be converted to non-matter forms of energy, such as light; or kinetic and potential energy (example: heat)(Telekinetic?Psi?Chi?..). However, this conversion does not affect the total mass of systems, since the latter forms of non-matter energy still retain their mass through any such conversion.

This is just a paragraph from wiki I copied but it's just some food for thought if you are researching TK.

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