• FuglyDuck@lemmy.world
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    3 months ago

    To clarify, energy isn’t a “thing” that exists. It’s a property of matter, and so is mass.

    So spacetime are only related in that matter exists in spacetime, and can influence it in ways we don’t (or at least I don’t,) really understand.

    • ignirtoq@feddit.online
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      3 months ago

      Energy is not only a property of matter. Photons have energy, no mass, and are not matter but in fact force carrier particles.