Jack Ryan

What is the scientific proof that nothing can travel faster than the speed of light?

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    • By Michael Krewson
      Let me attempt to blow your mind: “Now” travels at the speed of light.
      When the light turns green, I don't concern myself with the fact that the light actually turned green a nanosecond earlier than I saw it. As far as the distances we're used to, “now” might just as well be universal.
      On interstellar distances, you might expect that the lag start mattering. Except it really doesn't. Maybe Sirius isn't there anymore. Maybe it went supernova five years ago, and the shockwave is riding towards us as you read, and it will hit us in another three years. There's no way we'd know. We look up and see the old faithful Sirius sitting right where it's always been. And we can measure its gravitational influence on us and neighboring stars. There is no knowing it's actually gone, and that's because it actually isn't. To someone in the neighborhood of Sirius, the star is no more, but, to us, it still exist. “Existence” travels at the speed of light.
      If the sun was spirited away by a species of prankster kardashev 3 aliens, it would keep “being there” for 8 minutes as far as we'd be concerned.

      And those 10 billion light years away stars we see through our telescopes, they are there. Because we can see them.
      - Julien Boyer
    • By Bible Speaks
      “DARKNESS itself will cover the earth, and thick gloom the national groups; but upon you Jehovah will shine forth, and upon you his own glory will be seen.” (Isaiah 60:2) 
      These words well describe the situation on earth since 1919. Christendom has rejected the sign of the royal presence of Jesus Christ, “the light of the world.” (John 8:12; Matthew 24:3) 
      Because of the “great anger” of Satan, chief of “the world rulers of this darkness,” the 20th century was the cruelest, most destructive time of man’s history. (Revelation 12:12; Ephesians 6:12) 
      Most people live in spiritual darkness.
      Still, light does shine today. Jehovah ‘shines forth’ upon his servants, the anointed remnant, who are the earthly representatives of his heavenly “woman.” (Isaiah 60:1) 
      Especially since their release from Babylonish captivity in 1919, these have reflected God’s glory and have ‘let their light shine before men.’ (Matthew 5:16) 
      From 1919 through 1931, Kingdom light shone brighter Jehovah fulfilled his promise: “I shall without fail collect the remaining ones of Israel together. In unity I shall set them, like a flock in the pen, like a drove in the midst of its pasture; they will be noisy with men.” (Micah 2:12) 
      In 1931, Jehovah’s glory upon his people became even more evident when they accepted the name Jehovah’s Witnesses.
      Jehovah’s Witnesses know that many in this world will oppose them. (John 17:14) 
      Still, they are strengthened by Isaiah’s prophecy: “To you the sons of those afflicting you must go, bowing down; and all those treating you disrespectfully must bend down at the very soles of your feet, and they will have to call you the city of Jehovah, Zion of the Holy One of Israel.” (Isaiah 60:14) 
      To their chagrin, opposers will soon have to recognize that they have, in effect, been fighting against God himself. Who can win such a battle?
      Jehovah sheds light on his people, blessing them, guiding them, and strengthening them. During the 20th century, they saw the fulfillment of Isaiah’s words: “The little one himself will become a thousand, and the small one a mighty nation. I myself, Jehovah, shall speed it up in its own time.” (Isaiah 60:22)
      #jw.org 
      #JehovahsWitnesses 

    • By Bible Speaks
      Origin of the Universe:
      Gen. 1:1: “In the beginning God created the heavens and the earth.”                                
      Astronomer Robert Jastrow wrote: “Now we see how the astronomical evidence leads to a biblical view of the origin of the world. The details differ, but the essential elements in the astronomical and biblical accounts of Genesis are the same: the chain of events leading to man commenced suddenly and sharply at a definite moment in time, in a flash of light and energy.”—God and the Astronomers (New York, 1978), p. 14.                      
      JW.ORG

    • By Bible Speaks
      “Send out your light and your truth. May these themselves lead me.” Psalm 43:3.  JEHOVAH is very considerate in the way he makes his purposes known to his servants. Instead of revealing the truth all at once in one blinding flash of light, he enlightens us progressively. Our trek along life’s pathway might be compared to a walk that a hiker takes down a long trail. He starts out early in the morning and sees little. As the sun begins to rise slowly over the horizon, the hiker is able to distinguish a few features of his surroundings. The rest he sees in hazy outline. But as the sun continues its ascent, he can see farther and farther into the distance. So it is with the spiritual light that God provides. He allows us to discern a few things at a time. God’s Son, Jesus Christ, provided spiritual enlightenment in a similar manner. Let us learn how Jehovah enlightened his people in ancient times and how he does so today.

    • By admin
      Remarkably, the question cannot be answered.  Einstein's theory of relativity gives the rate of time in any "inertial frame" relative to that in any other inertial frame. (Inertial frames are traditionally called Lorentz frames, after the person who first introduced the transformation.) 
      According to relativity theory, there is no inertial frame that travels at the speed of light. Therefore, according to our current theory, the question is fundamentally unanswerable. 
      What we can say is this: compared to an Earth-bound clock, the clock in a frame moving at velocity v progresses at a slower rate.  In the limit as the frame velocity approaches the speed of light, that rate approaches zero.
      But that does not mean that the value at c is zero. To do that, mathematically, you must first show that the limiting situation exists.  According to relativity theory, it does not. Some future theory might give a different answer, but in the present day, no alternative to relativity theory has made predictions that show it to be correct. 
      - Richard Muller, Prof Physics, UCBerkeley, author of "Now-Physics of Time" (2016)
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