Weird Time-travel paradox question

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    This might be the wrong forum, so sorry

    I had a thought one night and so i made a note of it, sorry if there are any grammatical errors in it, but here is the noted question:

    Question:If a gold stage or plaque was installed in times square, inscribed on it is something like 'if someone time travels to this exact spot at this exact time/day, that person would win a cash prize' etc.

    To prevent hoaxes and to provide secrecy, the time traveler will have to provide evidence to a ultra top secret nominated individual.

    Do you think it is possible that someone will time travel to that exact spot at the exact time that was inscribed?

    Other safeguards would probably need to be implemented.
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    How is this a paradox?

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    This experiment has been done in a way:

    " Professor Hawking devised an ingeniously simple experiment to prove whether time travel to the past was possible. He held a reception for time travellers, but didn't publicise it until after it had happened. This way, only those who could travel back in time would be able to attend."

    https://kiteprint.com/products/steph...n-open-edition
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    Not really proof though.

    There are any number of reasons why this may not transpire the way it's set up.

    For instance, any civilisation capable of time travel (even if the laws of physics can be manipulated) would realise that there own timeline could change as a result and thus may render their own discovery of time travel redundant. I.e. they were then prevented from exploiting time travel and thus their visit to the challenge/test could not happen.

    The fact that they responded could well be the event that prevents the new timeline from allowing them to time travel in the first instance and therefore they never turned up.

    Go figure.
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    (Original post by Eboracum7)
    This experiment has been done in a way:

    " Professor Hawking devised an ingeniously simple experiment to prove whether time travel to the past was possible. He held a reception for time travellers, but didn't publicise it until after it had happened. This way, only those who could travel back in time would be able to attend."

    https://kiteprint.com/products/steph...n-open-edition
    Yh I heard about that but I had the view that he didnt advertise it enough. By installing a permenant a grand gold plaque in time square, it would mean the plaque would stay there for 1000s of years (hopefully) till someone figures out time travel and travels back in time.
    Also the internet, media and social media could play a massive part in planting the seed in peoples brains and due to the scale of the spectical, it increases the possibility of this happening
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    (Original post by uberteknik)
    Not really proof though.

    There are any number of reasons why this may not transpire the way it's set up.

    For instance, any civilisation capable of time travel (even if the laws of physics can be manipulated) would realise that there own timeline could change as a result and thus may render their own discovery of time travel redundant. I.e. they were then prevented from exploiting time travel and thus their visit to the challenge/test could not happen.

    The fact that they responded could well be the event that prevents the new timeline from allowing them to time travel in the first instance and therefore they never turned up.

    Go figure.
    Yeah that would a problem, but what if safeguards were implimented which prevented not even one bit of information from getting out, would minimise the risk of their timeline from being altered.

    But couldn't the time traveller go back to his own timeline? If they came from a century that was advanced enough for this to happen, could they figure out a way to keep their timeline seperate from our timeline? Like in a 'bubble'?
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    (Original post by Aph)
    How is this a paradox?

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    Because if the time traveller did do this, he may inadvertently change his own timeline, which could result in him being unable to time travel in te first place
 
 
 
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