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Originally posted by thesun
Einstein was not right about everything and i dont know why people cannot separate fact from theory.
...treat einstein like GOD and take every thoery as gospel, instead of investigating things from a fresh point of view, they are busy trying to proof einstein right.
... it is important to understant quantum mechanics and the fundamental fabric of the universe...
Deciding that masses of objects must depend on speed like this seems a heavy price to pay to rescue conservation of momentum! However, it is a prediction that is not difficult to check by experiment. The first confirmation came in 1908, measuring the mass of fast electrons in a vacuum tube. In fact, the electrons in an old style color TV tube are about half a percent heavier than electrons at rest, and this must be allowed for in calculating the magnetic fields used to guide them to the screen.
Much more dramatically, in modern particle accelerators very powerful electric fields are used to accelerate electrons, protons and other particles. It is found in practice that these particles become heavier and heavier as the speed of light is approached, and hence need greater and greater forces for further acceleration. Consequently, the speed of light is a natural absolute speed limit. Particles are accelerated to speeds where their mass is thousands of times greater than their mass measured at rest, usually called the “rest mass”.
Originally posted by thesun
Einstein was not right about everything and i dont know why people cannot separate fact from theory. Human understanding of the universe and sub atomic particles is in early stages and developing. A lot of people in the science community treat einstein like GOD and take every thoery as gospel, instead of investigating things from a fresh point of view, they are busy trying to proof einstein right.
A photon has no rest mass, it is important to understant quantum mechanics and the fundamental fabric of the universe, before reaching such conclusion
Originally posted by grover
actually we do... the galactic masses themselves move faster than light and we are of course carried along with them.