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    Physicists give chances of faster-than-light space travel - Forum

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    Forum moderator: arya, dethalternate  
    Forum » Main » Science, Astronomy, Nature » Physicists give chances of faster-than-light space travel
    Physicists give chances of faster-than-light space travel
    ManuDate: Tuesday, 27-April-2021, 1:04 PM | Message # 1
    --dragon lord--
    Group: undead
    Messages: 12779
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    The closest star to Earth is Proxima Centauri. It is about 4.25 light-years away, or about 25 trillion miles (40 trillion km). The fastest ever spacecraft, the now- in-space Parker Solar Probe will reach a top speed of 450,000 mph. It would take just 20 seconds to go from Los Angeles to New York City at that speed, but it would take the solar probe about 6,633 years to reach Earth’s nearest neighboring solar system.

    Two recent papers – one by Alexey Bobrick and Gianni Martire and another by Erik Lentz – provide solutions that seem to bring warp drives closer to reality.

    Bobrick and Martire realized that by modifying spacetime within the bubble in a certain way, they could remove the need to use negative energy. This solution, though, does not produce a warp drive that can go faster than light.

    Independently, Lentz also proposed a solution that does not require negative energy. He used a different geometric approach to solve the equations of General Relativity, and by doing so, he found that a warp drive wouldn’t need to use negative energy. Lentz’s solution would allow the bubble to travel faster than the speed of light.

    untotenawake
    Read more/full article/source - https://theconversation.com/warp-dr....-157391
     
    Forum » Main » Science, Astronomy, Nature » Physicists give chances of faster-than-light space travel
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