Changes

Under relativity, particles at low mass and low speed can be accurately approximated by [[classical mechanics]] (such as [[Isaac Newton]]'s laws of motion). At the two extremes, modeling the behavior of electrons requires that relativistic effects be taken into account (the chemically significant phenomenon of electron spin arises from relativity), and the course of light passing through a region containing many massive bodies such as galaxies will be distorted ([[classical mechanics]], in which light travels in straight lines, does not predict this). These are both experimentally confirmed (electron spin was known before relativity arose, and telescopic observations confirm that galactic clusters distort the paths of the light passing through them).

Under relativity, particles at low mass and low speed can be accurately approximated by [[classical mechanics]] (such as [[Isaac Newton]]'s laws of motion). At the two extremes, modeling the behavior of electrons requires that relativistic effects be taken into account (the chemically significant phenomenon of electron spin arises from relativity), and the course of light passing through a region containing many massive bodies such as galaxies will be distorted ([[classical mechanics]], in which light travels in straight lines, does not predict this). These are both experimentally confirmed (electron spin was known before relativity arose, and telescopic observations confirm that galactic clusters distort the paths of the light passing through them).

Many scientists have indicated problems with the postulates of special relativity.  Paul Davies, formerly of Macquarie University and now at the University of Arizona believes that the speed of light has changed over time.  Since the speed of light is a constant speed 'c' this indicates problems with the theory [http://news.bbc.co.uk/2/hi/science/nature/2181455.stm light speed].  Other engineers and scientists have written about problems in the basic set of special relativity equations.  Based on the ideas of not Einstein but of the scientist Fitzgerald as well as others, a length contraction effect was predicted as an explanation of the failure of the Michelson-Morley experiment to detect Earth's orbital motion. This idea was taken up by Hendrik Lorentz and shown by others to be a useful mechanism by which theory could be forced into conformance with experimental results. However, in 2005, Michael Strauss, a computer engineer, invalidated much of Special Relativity theory by showing clear contradictions in the theory.<ref>https://web.archive.org/web/20120303075834/http://www.relativitycollapse.com/ Ad for the book ''The Collapse of Special Relativity</ref>

Many scientists have indicated problems with the postulates of special relativity.  Paul Davies, formerly of Macquarie University and now at the University of Arizona believes that the speed of light has changed over time.  Since the speed of light is a constant speed 'c' this indicates problems with the theory [http://news.bbc.co.uk/2/hi/science/nature/2181455.stm light speed].  Other engineers and scientists have written about problems in the basic set of special relativity equations.  Based on the ideas of not Einstein but of the scientist Fitzgerald as well as others, a length contraction effect was predicted as an explanation of the failure of the Michelson-Morley experiment to detect Earth's orbital motion. This idea was taken up by Hendrik Lorentz and shown by others to be a useful mechanism by which theory could be derived from experimental results. In fact, the Michelson-Morley experiment is often cited in textbooks as the derivation of relativity, though there are many other experiments that do this; see below.

 

In 2005, Michael Strauss, a computer engineer, claimed to have shown clear contradictions in Special Relativity, invalidating much of it.

In 2004 he wrote the book ''Requiem for Relativity (The Collapse of Special Relativity)'', ASIN 0976312506.  An archived ad for the book may be found at [https://web.archive.org/web/20120303075834/http://www.relativitycollapse.com/].  The original web site for it is no longer active.

== General Relativity ==

== General Relativity ==