SPACE — Science fiction novels and films are full of amazing ideas. It is also called a film, the director is free to explore it as he wants.
However, the laws of physics sometimes seem to allow for seemingly impossible science fiction concepts. The following is a summary of some cinematic ideas science fiction which could happen at least in theory, he reports Space.
Worm hole
Draft wormhole or wormholes are shortcuts through space that allow near-instantaneous travel between remote parts of the universe. This wormhole looks as if it was created as a fantasy story.
However, this concept appears to have emerged from Albert Einstein’s general theory of relativity. He viewed gravity as a distortion of space-time caused by massive objects.
Together with physicist Nathan Rosen, Einstein put forward a theory in 1935 that points of very strong gravity, such as black holes, could be directly connected to each other. This is how the concept of wormhole was born.
In theory, wormholes have the formal name “Einstein-Rosen bridge”. This concept existed as a serious theoretical concept long before science fiction writers used it.
While it is highly unlikely that wormholes will ever become as simple and convenient a method of transportation as depicted in the films, scientists have now discovered a way to locate wormholes. If wormholes already exist in the universe, perhaps these objects could be discovered using a new generation of gravitational wave detectors.
Superfast space travel
In many space adventure stories, the ability to move from place A to place B faster than today is a feature.
Despite the possibility of creating wormholes for superfast travel, conventional spacecraft face several challenges in doing so. Obstacles range from large fuel requirements, to the pressure effect of acceleration, to speed limits set by the universe.
This speed limit is comparable to the speed of light, exactly one light year per year, which in a cosmic context seems very slow. Proxima Centauri, the second closest star to Earth, is 4.2 light years from the Sun, while the galactic center is very far away, 27,000 light years.
Fortunately there is a loophole in the cosmic speed limit: it only regulates the maximum speed that can be achieved through space. As Einstein explained, space itself can become distorted, opening up the possibility of manipulating the space around an aircraft to overcome the speed barrier.
The spacecraft will still move through the surrounding space at speeds less than the speed of light, but space itself will move faster.
This was the inspiration for the “Star Trek” writers when they created the concept of “warp drive” in the 1960s. Although it initially seemed like a plausible fiction, in 1994, theorist Miguel Alcubierre discovered a solution to Einstein’s equations that made the effects of superfast space travel a reality. These theories continue to be refined.
Time Machine
The time machine concept is an incredible science fiction storytelling device. This concept allows characters to go back and change the plot of the past.
2024-01-17 05:22:00
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