Humans have
always gazed up at the stars. The
thousands of years we thought that they were close enough as the sun and the
moon ans almost close enough to reach out and touch. But now we just know how
vast the universe is???
The closest star is about 25 trillion miles
away and the fastest spacecraft we have will take more than 10000 years to get
there. To become true citizens of the cosmos we have to do something that
physics says is impossible i.e we have to travel faster than light. If you have
starred towards a dancing flame in a bonfire you may be astonished to think
that what was the light made of??? I wandered how it can be seen solid and then
vanished like nothingless.
The speed of light is 3*10^8 meter/sec and
nothing can go faster than the speed of light. Light travels a million times
faster than sound and faster enough to circle the earth seven times in just one
second. But the mystery of light goes deeper to its breathtaking speed , the
way it moves is totally different from everything else in the universe. This
basic theories that how light moves inspired Albert Einstein to rewrite the
basic laws of physics. He realized that space and time are not fixed and
absolute but are connected and relative. It was the idea that leads to the most
famous equation in history:-
E=MC^2
Time and
space are really one underlined thing called space time and how you divide up
space into time and time into space depends upon the movement and so the
collollaries once Einstein realized with
the time ans space , he realized with energy and mass.
This basic
equation also known as the theory of relativity says that the more energy you
inject in a rocket the more massive it becomes and the more massive it becomes
the harder is to accelerate. Boosting
it to the speed of light is impossible because in the process the rocket will
be massive.
ROCKET
DIAGRAM
The energy it takes to accelerate infinestimally
increases as it comes closer to the speed of light. So if you want to go at the
speed of light you need infinite amount of energy to accelerate it. You are now
getting more and more enery but you are not going to get that speed.
Relativity
makes us both friends and foe . its tremendous speed helps us to communicate
between any parts of the earth instantaneously.
On the other
hand because we cannot move faster than light we are standed in the solar
system with the stars impossibly far
away.
Megan
arcuiles a physician of the Mexican city says that he could bend the speed of
light by inventing the wrap drive. Wrap
drive is a way to get from one place to another and is very different than we
normally do. The beautiness of his idea is that the space ship is fixed in one
position of space and is not moving and thus donot have to gain enery and
increase of mass is stopped. Then what actually happens???
The space is
shrinking from two directions and thus
the spacecraft moves closer and travels faster.
We have
already heard about warmholes , the cosmic shortcuts that put aliens in our
world but how would be actually build one??? And how would we use one??? Tarve
by warmhole require exortic technology and the courage to jump into the
unknown.
The negative energy required to make a warmhole
open is too unstable. So a man made warmhole would collapse if some one tries
to step inside. But there might be another way by not using cosmic
shortcuts but by using microscopic
pulses . there are some quantum fluctuations that appears and disappears in
soace and reappear again.
But in a
quantum warmhole we might be shaken enough and we might not be able to come
out. Quantum warmhole have no
eastimation time to be reliable and their destinations are unknown.
Now theories
says that if the strength of electromagnetism are not constant then the
properties of light are changing.
So could the
speed of light is different in different part of the cosmos???? On the other
side of the world one cosmologist says the answer to be YES. He believes that
light can move more faster than we think and out there in the universe there
are super highways to the stars.
With the
passage of time is all having the right stuff at the right place. First people
who will make their journey to the stars will need it to. They will be
venturing to the absolute unknown and perhaps for the first time travelling
faster than light. But according to some physicists there are some regions in
space where travelling faster than light
is possible . the fact that all the galaxies and all the matters are evenly
spread over the universe no matter where we look is one of the biggest cosmos
in cosmology. The problem is scientists think that there has been not enough
time since the BIG-BANG for the matters to
spread out evenly. Imagine the BIG-BANG was a big party.
As soon as the party starts everyone
has a glass of instantaneously the same kind of wine. How would be a waiter be
able to serve everyone a glass of wine so quickly???? If he is moving with the
speed of light he would only have the time to dispose like the big bang . most
of the scientists came with this problem with the theory called cosmic
inflation.
So it may be possible that what we know today
may be different enough to what actually is and may change the laws of physics
. so scientists around the world are working
with different perspectives to unreleased the mystery that CAN WE TRAVEL
FASTER THAN LIGHT????
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