Posts Tagged ‘General Relativity’

Einstein started publishing on his General Relativity in January-February 1916. On these articles Karl Schwarzschild based his exact solutions. On 11 May that year, however, Einstein published is official GR – with a little but important change: no more two equal reference frames. Too late for Karl. Other...

It seems nobody has fully understanding of Einstein’s theories, his errors and changes of mind. Karl Schwarzschild did, in 1915, but due to critisism Einstein changed his 1915-version a year later, after Karl’s death. Nobody then corrected Karl’s solutions and inconsistencies persist, are copied and copied again....

The Theory of General Relativity is very complicated mathematics. Einstein formulated a number of demands to ensure that solutions match measurement physics. Exact Schwarzschild solutions have later been changed by astronomers, unscientifically, to get rid of difficult issues.The relevance is great: abiding...

Emmy and Albert knew each other very well. However Einstein never incorporated seriously the brilliant ideas of Emmy Noether. On the homepage of this site we organised and filmed a short virtual debate between the two. So the film corrects history afterwards, for the better of Physics! Because the film is going pretty...

Contrary to popular believe, there are many Schwarzschild Solutions. Karl himself found one to a mass-point and one to a sphere of in-compressible liquid early 1916. After Karl’s death Einstein made important changes in his  official publication: he abandoned his g = -1 requirement in a footnote. Nobody checked...

How many people understand Relativity? Many say they do, but how do they explain the paradoxes of Special Relativity (SR)? Do they know that Einstein changed his mind about his own SR in 1916? They should know that he abandoned the equality of reference frames already in 1916, solving the twin paradox. Then Einstein...

Einstein’s publication in the ‘Annalen der Physik’ urged many scientists to work. Did you know that there are five different Schwarzschild Solutions? How do you know which one is right? This article presents you three ways to check the outcome: The General Relativity Principles, the GR field equations and the Laplace...

In his theory of General Relativity, Einstein replaced the Lorentz transformation by the Minkowski formula. He also introduced the variable speed of light in gravitation. This is unnecessary and untenable: it is  in conflict with Noether’s theorem on energy and momentum conservation. The authors use the ‘time’...

Einstein’s General Relativity contains the Laplace operator of a sphere of incompressible liquid. It links the time-like solution (how fast does the clock tick) directly with the gravitational potential: no need for using tensor operations. He never applied it to the potential inside a sphere. This article is doing...

It all starts with Emmy Noether (1882 – 1935), a brilliant mathematician, creating one of the pillars of physics: defining reference frames within which energy and momentum conservation can be proven. In 1918 Noether’s theorem was published, more than a year after Einstein published his theory of General...