Page 87 - (DK) Danger! Open with Extreme Caution!
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FASTER THAN THE SPEED OF LIGHT GRANDFATHER PARADOX
Einstein’s theory of relativity shows that time slows as If you went back in time and accidentally killed your
an object nears light speed—more than 671 million mph grandfather before your father was born, you couldn’t
(1 billion km/h). Anyone traveling in space close to exist. Some scientists say that nature would stop
the speed of light would age less than those left behind this paradox, while others think that the event
on Earth. So traveling faster than light speed could, would create parallel worlds, so Grandpa would
in theory, allow time travel. live on in the world “next door.”
grandfather!
Is that you? But
I acCidently ran
you over in 1946!
DEPARTURES: TERMINAL 1 BLACK HOLES
Wannabe time travelers could also jump through
a rotating black hole. This would then carry them
along a wormhole to an exit point, or “white
hole,” at another point in time. However,
travelers would need to zip through to
the other side faster than the speed
of light so that they are not
crushed by the black hole.
Oh, and after all that,
the travelers must
find a safe way back!
DISAPPEARING ACT
ARRIVALS: FUTURE
All this talk about time travel could
make anyone giddy with excitement.
Why would people wait for the future BLASTS FROM THE FUTURE
to arrive one day at a time when they Ever fantasized about what the future might hold? Perhaps we
can get there anytime they want?
finally meet aliens and vacation on Venus. But, if time travel is
And, if the future turns out to be so possible, what if criminals go back in time to blast us with
amazing, why would they ever want high-tech weapons that we can’t defend ourselves
to return to the here and now? against? It hasn’t happened yet, so hopefully
This one-way ticket could mean any time travelers will simply be
a disappearing population problem
well-wishers with information about 30005
for the present.
amazing new medicines and how to
solve global warming!
it rains
donuts in
the future!
what are we arRrRrgh!
waiting for?!
TRAVELING THROUGH TIME 87
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