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Speed of Light | Velocity of Light

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Light Speed: Maximum Limit of the Universe


travel at speed of light

According to theory, the speed of light is the upper limit for all motion. In other words, it is believed that traveling at this speed or faster than light speed travel or far beyond is impossible. One of the unexpected consequences of Einstein's Relativity Theory is that as any object approaches this speed, its mass increases dramatically. In this manner, an object's mass approaches infinity, an impossible situation that can not be remedied. Strictly speaking a 'Speed' is a scalar quantity whilst a 'Velocity' denotes direction as well.  Both will be used interchangeably herein; for example, traveling at light speed or velocity of light will mean the same thing for the purposes of this discussion. Here are some values for light speed that a reader might find useful:

Speed of Light in Miles per Second: 186,000 miles per second
Velocity of Light in MPH: 671 million miles per hour mph
Light Speed in Kilometers per second: 300,000 km per second
Light Velocity Kilometers per hour: 1,080 million km per hour
Velocity of Light in Meters per Second: 299,792,458 m/s

Velocity of Light | A Constant 'C'

As discussed previously, the speed of light is the upper limit beyond which nothing can travel.  Matter, energy, information and anything else in the universe are all prohibited from exceeding this value.  Many experiments have been made to measure this value and it is known with extreme precision.  As a result, it has become known as a constant 'c' for traveling at the speed of light in a vacuum.  The notation 'c' was given to the velocity of light because this refers to the Latin word 'celeritas' that means swiftness.

Travel at Light Speed | Physics | Einstein | Special Relativity

In 1905, Albert Einstein published his famous work that revolutionized physics; some of its most important principles require that light speed 'c' was independent of a light source's motion and also independent of the frame of reference of an observer of that light source.  His motivation for proposing this many faceted theory was a direct result of the failure of the theory of the 'lumineferous aether' or ether to produce a convincing showing in experiments designed to prove the existence of the aforementioned ether.  In fact, the data
appeared to show that the aether or ether did not even exist!

Pondering this evidence and that from other observations, motivated Einstein to propose a dramatic solution to the many existing mathematical puzzles that developed in the latter part of the 19th century.  He created a marvelous spacetime fabric that produced the incredible effects of time dilation, length contraction, twin paradoxes, the mass-energy equivalence E=mc2 and a constant speed of light.  This value 'c' plays an important role in many areas of modern physics including those that are not directly related to light itself.  Therefore, a demonstration that light was not a constant would be a major blow.

Recent Neutrino Results

News is circulating around the world that the European CERN laboratories have found a neutrino traveling at a speed of light that is inacceptable according to theory.  This news alone should give relativists pause as to the certainty of their ideas.  But people love to follow the crowd and refuse to even consider the possibility of errors in what they have regurgitated their entire life.  Expect some public apologies from relevant CERN scientists that will provide proof that they were completely wrong.  They won't want to lose their tenure and research grants.  What is really sad about all of this is there is a simple way to see that E=mc2 and the postulate of the constancy of light speed are both incorrect; therefore, neither of these are representative in the original theory itself of an Einsteinian universe.  He himself did not even use a constant light speed in his works of 1905.....


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