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Going Back?

Going Back?

So we may one day be able to time travel forwards but what about going back?

“Here we hit the philosophical problem that always comes up when you discuss travelling back in time,” says Dr Steane. "Suppose you could go back in time and you accidentally killed your grandparents. Wouldn’t that mean you couldn’t exist either?"

So how could you go back in time and see people who’ve died - some of them hundreds of years ago?

It's very complex.

12

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MORE IDEAS ON THIS

However, going back in time goes against the laws of physics- some processes are reversible and some irreversible.

Processes like an avalanche can’t unhappen. Likewise, on a smaller scale, if you drop an egg, you can’t unbreak it.

A spinning top or a pendulum, is reversible because it...

13

84 reads

Another method might involve travelling in a rocket/spaceship at a very high speed, close to the speed of light. “We can’t establish equality with the speed of light but it is possible, in theory, to travel nearly as fast as the speed of light,” adds Dr Steane. 

So imagine you’re in a space...

13

96 reads

Your Very Own Time Travel

Your Very Own Time Travel

If you’re feeling disappointed that we can’t literally travel back in time then remember there’s nowhere you can’t go in your own mind.

Think about history lessons where you’re asked to imagine yourself in someone else’s shoes from long ago or when you look at old photos of fun times. That’...

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106 reads

Going Forward In Time

Going Forward In Time

You may have heard of Cryogenics. This is when someone who’s died is frozen instead of being buried or cremated. The theory is they can be “woken up” in the future when we have the technology to bring them back to life. Or a machine or device could be developed so that some people age more slowly...

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102 reads

Time TRAVEL- A One Way Ticket?

Time TRAVEL- A One Way Ticket?

To look at whether time travel is possible we need to distinguish between travelling back and travelling forwards. “From a philosophical point of view, we are constantly time travelling! As we age in our ordinary everyday lives, we are forever travelling into the future'. 

“The more interes...

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CURATED FROM

CURATED BY

a.15

“𝑻𝒉𝒆 𝒍𝒊𝒇𝒆 𝒐𝒇 𝒕𝒉𝒊𝒔 𝒘𝒐𝒓𝒍𝒅 𝒊𝒔 𝒎𝒆𝒓𝒆𝒍𝒚 𝒆𝒏𝒋𝒐𝒚𝒎𝒆𝒏𝒕 𝒐𝒇 𝒅𝒆𝒍𝒖𝒔𝒊𝒐𝒏.” 𝑸𝒖𝒓𝒂𝒏 3:185

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