#1: A mind-blowing explanation of the speed of light | Top 10 2019

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  • Taking the #1 spot on Big Think’s 2019 top 10 countdown, NASA’s Michelle Thaller reminds us the only things that travel at the speed of light are photons.
  • Nothing with any mass at all can travel at the speed of light because as it gets closer and closer to the speed of light, its mass increases. And if it were actually traveling at the speed of light, it would have an infinite mass.
  • Light does not experience space or time. It’s not just a speed going through something. All of the universe shifts around this constant, the speed of light. Time and space itself stop when you go that speed.

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