What is true relativity or quantum mechanics?

Answer 1

Einstein's work on the Photoelectric effect, which won him the Nobel prize in 1921 was a bulwark of Quantum Mechanics. Einstein went off in another direction because of his inate suspicion that Quantum Mechanics has severe internal difficulties. Quantum Mechanics and Relativity have not yet been reconciled--but they are moving together slowly. Quantum Gravity seems to be key to the issue and may be resolved by String Theory.

Answer 2

That depends on what you're trying to measure. If the object is large and massive, then relativity holds true. If it's very small, like atoms, then quantum mechanics is true. One problem is that relativity and quantum mechanics cannot be both true at the same time. Theoretical physicists are trying to find a way to "unify" relativity and quantum mechanics so they can measure things that are both small and massive, like black holes.

There is a very interesting subject called quantum field theory - though there is active research, it is amazing how much we already know about relativistic QM.

Answer 3

True relativity refers to Einstein's theory of General Relativity, which describes how gravity operates in the universe. Quantum mechanics, on the other hand, is a theory that describes how particles and waves behave on a very small scale, such as at the level of atoms and subatomic particles. Both theories are fundamental in understanding different aspects of the physical world.

Answer 4

That would be called Quantum Gravity. Quantum Gravity is to describe how gravity works on a quantum scale