Tackling the Riddles of Gravity
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This is a great video, but I miss a mention about LIGO project. Kind Regards!
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E=MC2 is the theory of equivalence.
Simply put, according to Einstein, as an object accelerates, its relative mass increases. So, to continue to accelerate the object requires ever increasing energy. Einstein therefore concluded that there is finite point at which it is not possible to generate the energy required to continue to propel the object beyond a certain speed.
This is of course, as we know it, the speed of light.
More to come...
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I'd say it's E=mc² γ
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If you started the object at that speed, could you accelerate it? Are there any other influences on the object?
Gravity? What is it? I have a theory.
neilagraham 2 years ago
No, you can't accelerate it any more. You can only add more energy to it, but it would not change its speed. It would already have infinite energy, so you can add whatever you want, even more infinite energy, and you still get an object with infinite energy at the speed of light. Btw., there are many theories of Gravity. Question is always if it can be falsified by observation with current or near-future technology.
wbcct 2 years ago
Einstein did say E=MC2, do you think that is how blackholes have their weird gravity?
santagotback101 2 years ago
Hm, E=mc^2 stems from special relativity. In some sense, one could say that general relativity is special relativity consequently developed further. With all complexities that come with this. So in this meaning, yes. Though it is not enough by itself, you also need to add the principle of equivalence here - that acceleration is same as gravity. Then you unavoidably arrive at GR and black holes.
wbcct 2 years ago
So it's like E=MC2 times 100?
santagotback101 2 years ago
No, it's rather like R=2GM/c^2 .
wbcct 2 years ago