To order "We Start With a Point (but what's the point?)" The only thing is relativity that is absolute is the speed of light itself, everything else distorts to keep the speed of light absolute. LIGHT SPEED When FREE FORM GRAVITY is compressed to the point of the development of the ELECTROMAGNETIC SPECTRUM, the individual components are vibrating at the speed of light. One of biggest career gambles in music history. Why is the speed of light considered to be the universal speed limit, and would it be possible to ever exceed that speed with some advanced technology? I'm not asking why the speed limit is equal to c and not something else, but why there is a limit at all. At 299,792,458 meters per second, the speed of light has stood as an unbreakable, unchangeable speed limit. No longer. As you approach the speed of light, the mass of an object increases to infinity. The finite speed of light also limits the data transfer between the CPU and memory chips in computers. Hotel in China used for virus quarantine collapses. Why is the speed of light what it is? Why The Speed of Light Matters. How effective is Purell against the coronavirus? Why is the speed of light considered the ultimate speed? The speed of light is the speed limit for our universe. ! But why would anybody want to slow down the speed of light? Answering those questions takes us on an amazing journey through space, time, physics and … At last I conclude that the speed of light is limited to a constant value as the energy supplied by the intensity part of the light ray to the speed of light part is a constant for a given medium. The speed of light in a vacuum is 299,792,458 metres per second, a figure scientists finally agreed on in 1975 – but why settle on that figure? It is a trick the universe is playing on us and not anything to do with our lack of power or weak engines. But careful experiments reveal that it travels at a finite speed. Asked by: Nakul Jeirath Answer Experiments performed against Relativity predictions have all supported Einstein's conclusions about the behavior of matter as it approaches the speed of light. originally appeared on Quora: the place to gain and share knowledge, empowering people … Is there a more fundamental law that tells us why this is? If two photons (particles of light) collide head on, you add the two speeds, thus, it is like one photon hitting a stationary wall at *2* times the speed of light (hypothetical scenario of course for that 2x speed). Our known space has 10 dimensions but 6 of them are curled up very small in some corner somewhere! The speed if light in a vacuum is a fundamental invariant constant of nature. The speed of light is often cited as the fastest anything can travel in our universe. Under Einstein's theory, the speed of light becomes a sort of ultimate speed limit. In normalized Plank units its value is one (1). Ultimate speed limit. See where this is going? My new (fall 2019) ebook is now available. The speed of light is the speed limit for our universe. So there is the limit. An infinite mass would require an infinite amout of energy to accelerate it. The insight that light speed is a fundamental limit on motion is one of the keys to Einstein’s theories of relativity, but why is it so? Ultimate speed limit Under Einstein's theory, the speed of light becomes a sort of ultimate speed limit. According to his special theory of relativity, nothing can move faster. Why nothing can go faster than the speed of light. This strongly suggested that light was an electromagnetic wave – as was soon definitively confirmed. When it comes to speed limits, the ultimate one set by the laws of physics themselves is the speed of light. And why does it matter? Answering those questions takes us on an amazing journey through space, time, physics … It is the speed limit for objects with mass which is just about everything we know of besides dark energy. No longer. A further breakthrough came in 1905, when Albert Einstein showed that c, the speed of light through a vacuum, is the universal speed limit. July 19, 2000 -- Scientists have apparently broken the universe’s speed limit. The common experience of turning on a light switch certainly shows that light travels very quickly. The light seen from stars left them many years ago, allowing the study of the history of the universe by looking at distant objects.