What is Warp Drive Explained in Detail
Introduction : What is Warp Drive ?
If you have already heard about Warp
Drive then I am sure that you really want to know about what is warp drive and
how warp drive works? Well in this post you will get to know all about what is
warp drive and is warp drive possible in real life or not? We know that the
universe is spreading from all sides and its speed is so high that it is
beating the speed of light. From which we came to know that the theory of
Albert Einstein according to which any object in this universe, having its own
mass, can never move at the speed of light, applies to all the objects which
exist in this universe, but itself not on universe.
Let us understand this in easy
language. We know that this universe was created about 13.7 billion years ago
due to the Big Bang. If we assume that after the explosion, this universe would
have spread at the speed of light, then today its diameter should not be more
than 28 billion light years. But according to the calculations of astronomers,
the diameter of this universe is about 93 billion light years. It is clear from
this that the speed of outbreak of this universe has always been higher than
the speed of light. That is, the principle of relativity does not apply to this
universe itself, it only applies to the objects inside this universe. That
means the universe itself or this space can spread and also can shrink at a
higher speed than light.
Read also : What are Wormholes?
That is, instead of making a vehicle
running at the speed of light, if we expand the space behind the vehicle at the
speed of light and compress the space ahead it at the same speed, then our
vehicle will reach its destination before light, without any effort.
The point to note here is that we will
only be expanding the space behind the vehicle and compressing the space ahead
of it. But the vehicle itself will be safe inside a bubble and there will be no
change in the space inside this bubble. If you know about time dilation, then
you will know that as we get closer to the speed of light, time slows down for
us. But there will be no such thing in the Warp Drive, because our vehicle is
not actually moving at the speed of light or faster than that, we have beaten
the speed of light by just spreading and compressing the space. In this case,
time will be completely normal for us. I hope by now you have understood how
Warp Drive will work.
Is Warp Drive really Possible ?
If we talk about compressing the
space, then we know that it is possible to do so. Einstein told us that a large
mass or a lot of energy compresses the space-time. But for the warp drive to
work properly, we need to compress the space-time, for that we need at least as
much mass as the planet Jupiter. But this is also not the problem. Actually the
problem is how to spread the space. To do this we need something whose mass is
negative. If there is such an object, then it will behave exactly opposite in
comparison to ordinary things.
For example, if the earth attracts an ordinary
object, the object with negative mass will go away from it. If you kick
ordinary objects then they go away from you, but if you do this with an object
of negative mass, it will come towards you. It is also difficult to imagine
such an object. Despite this, negative
mass is also technically possible and we can get it at the quantum level. But
to make the warp drive successful, we need high amount of negative mass.
It is possible that in this universe,
the negative mass can also be present somewhere in the form of matter. But for
us, it will be very difficult to find them because the force of gravity acts on
them in opposite way. That is, such substances will always go away from the
celestial bodies. This means that they cannot be around us. This is the reason
why it is not possible for us to use warp drive at present time.
If we assume that somehow we get
positive and negative mass in abundance and we are able to convert the warp
drive into reality, then we have to go through many other problems. The first
problem will be that we will not be able to contact anyone outside the bubble
during the journey. The second problem is that during the journey a lot of
space junks will be gathered outside the bubble. When we reach our destination
and return the space around our vehicle in its original form, then these space
junks will hit the planet at a rapid speed. Due to which all the living beings
on that planet will be destroyed.
According to Stephen Hawking
Chronology Protection Conjecture, quantum mechanics always prevents such action
from happening which breaks the causality. Perhaps this is why Stephen Hawking
believe that it is not possible to make a machine like time machine. In case of
warp drive, there is a possibility of a quantum disaster. NASA has also got
some success in making warp field at quantum level, but it will still take at
least one hundred to two hundred years to make warp drive possible on big
level.
READ ALSO : What is Time Dilation?
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