- Can a time machine be made?
- Can you travel back in time through a wormhole?
- Has anyone been in a Blackhole?
- What creates a wormhole?
- What would happen if you entered a wormhole?
- Why is traveling through a wormhole thought to be impossible?
- Is it possible to travel back in time?
- Will we ever travel faster than light?
- Is there any white hole in universe?
- Can wormholes exist?
- Why is a wormhole called a wormhole?
- Is Blackhole a wormhole?
- How do you find a wormhole?
- What is inside a Blackhole?
- What is inside a white hole?
Can a time machine be made?
Travelling in time might sound like a flight of fancy, but some physicists think it might really be possible.
BBC Horizon looked at some of the most promising ideas for turning this staple of science fiction into reality.
Ron Mallett has a dream: He wants to travel in time..
Can you travel back in time through a wormhole?
Wormholes connect two points in spacetime, which means that they would in principle allow travel in time, as well as in space. … However, according to general relativity, it would not be possible to use a wormhole to travel back to a time earlier than when the wormhole was first converted into a time “machine”.
Has anyone been in a Blackhole?
Fortunately, this has never happened to anyone — black holes are too far away to pull in any matter from our solar system. But scientists have observed black holes ripping stars apart, a process that releases a tremendous amount of energy.
What creates a wormhole?
Earlier this year, physicists proposed an answer in the form of “wormholes,” or gravitational tunnels. The group showed that by creating two entangled black holes, then pulling them apart, they formed a wormhole — essentially a “shortcut” through the universe — connecting the distant black holes.
What would happen if you entered a wormhole?
The math says that as soon as anything, even light, tries to pass this horizon, the tunnel collapses. Even if the wormhole could somehow be stabilized, quantum theory tells us that the inside should be flooded with high-energy particles. Set foot in a Kerr wormhole, and you will be fried to a crisp.
Why is traveling through a wormhole thought to be impossible?
While the mind-bending physics of quantum mechanics—the physics of the very small—allow for this so-called negative energy, it is hard to have a sufficient amount to make a traversable wormhole possible. In fact, it was thought to be impossible, and some scientists actually ruled it out in many cases.
Is it possible to travel back in time?
The Short Answer: Although humans can’t hop into a time machine and go back in time, we do know that clocks on airplanes and satellites travel at a different speed than those on Earth. … However, when we think of the phrase “time travel,” we are usually thinking of traveling faster than 1 second per second.
Will we ever travel faster than light?
Any object with mass accelerates, gaining energy, but it always needs more to accelerate further. So, propelling us to the speed of light would take an infinite amount of energy. … So for now, at least, we won’t be able to travel beyond the speed of light based on our current understanding of the laws of physics.
Is there any white hole in universe?
But further thought caused people to realize that white holes would be extremely unstable, and hence highly unlikely to exist, in fact so unlikely that no one has talked about them much in recent decades. They are truly fringe science. So far, no astronomical source has been successfully tagged a white hole.
Can wormholes exist?
Wormholes can exist within the classical black hole solutions of the Einstein equations. These wormholes are useless for travel, however, as they collapse before any spaceship (or even a ray of light) could pass through them. In addition, the black holes formed by a collapsing star have no associated wormhole at all.
Why is a wormhole called a wormhole?
Theoretical physicists have hypothesized the existence of such shortcuts through spacetime since the 1930s, originally calling them white holes and eventually Einstein-Rosen bridges. … Since the name “Einstein-Rosen bridges” is a bit dry, they became more commonly known as wormholes.
Is Blackhole a wormhole?
From the outside, wormholes can appear similar to black holes. But while an object that falls into a black hole is trapped there, something that falls into a wormhole could traverse through it to the other side. No evidence has been found that wormholes exist.
How do you find a wormhole?
The physicists suggest that if a wormhole does exist at Sagittarius A*, nearby stars – such as S2 – would be influenced by the gravity of stars at the other end of the passage. As a result, it would be possible to detect the presence of a wormhole by searching for small deviations in the stars’ expected orbits.
What is inside a Blackhole?
A black hole is a tremendous amount of matter crammed into a very small — in fact, zero — amount of space. The result is a powerful gravitational pull, from which not even light can escape — and, therefore, we have no information or insight as to what life is like inside.
What is inside a white hole?
To a spaceship crew watching from afar, a white hole looks exactly like a black hole. It has mass. It might spin. A ring of dust and gas could gather around the event horizon — the bubble boundary separating the object from the rest of the universe.