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What happens when a train traveling at the speed of light turns on its headlights?
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<blockquote data-quote="Pizzachu" data-source="post: 2523721" data-attributes="member: 829577"><p>Light seems to go the speed of light, no matter how fast the observer is going. It's one of the weird things about relativity.</p><p></p><p>So a guy on the train would see his headlights working normally. A person standing near the tracks would see the train moving at the same speed as its light.</p><p></p><p>No, it would not be possible for a train to travel that fast. Nothing can move anywhere close to the speed of light on Earth where there's Air resistance.</p><p></p><p>In space it may be possible to accelerate a ship to near light-speed, but it would take a long time and a whole lot of energy.</p></blockquote><p></p>
[QUOTE="Pizzachu, post: 2523721, member: 829577"] Light seems to go the speed of light, no matter how fast the observer is going. It's one of the weird things about relativity. So a guy on the train would see his headlights working normally. A person standing near the tracks would see the train moving at the same speed as its light. No, it would not be possible for a train to travel that fast. Nothing can move anywhere close to the speed of light on Earth where there's Air resistance. In space it may be possible to accelerate a ship to near light-speed, but it would take a long time and a whole lot of energy. [/QUOTE]
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