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5. Time travel using light
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Time travel: five ways that we could do it
1. Time travel via speed. This is the easiest and most practical way to time travel into the far future – go really fast. According to Einstein’s theory of special relativity, when you...
Time travel is possible, but it’s a one-way ticket
In order for humanity to send a traveller years into the future, we would either have to take advantage of the intense gravitational acceleration caused by black holes or send the traveller rocketing into space at close to the …
Using light to simulate time travel
In a recent work published in Nature, a team simulated the possible effect of a time machine using polarized light. Since they couldn’t actually make a beam of light travel back in time,...
Using Light To Simulate Time Travel
In a recent work published in Nature, a team simulated the possible effect of a time machine using polarized light. Since they couldn't actually make a beam of light travel back in time,...
Using Light To Simulate Time Travel
In physics, a time machine is known as a closed timelike curve (CTC). Basically, an object makes a loop through spacetime to interact with its past self. In a recent work published in Nature, a team simulated the possible …
A beginner's guide to time travel
One of the key ideas in relativity is that nothing can travel faster than the speed of light — about 186,000 miles per second (300,000 kilometers per second), or one light-year per year)....
Scientists Have Simulated Time Travel With Photons
Looks like time travel is possible... for particles of light. Using a photon, physicists have managed to simulate quantum particles traveling through time. Studying the photon’s behavior...
4 Time Travel Theories and the Physics Behind Them
So how can we travel backwards or forwards in time? Using the ‘speed of light’ time travel theory, building a Faster-Than-Light (FTL) Machine is the way to go. It would have to be the fastest ever man-made spaceship as it …
Is time travel really possible? Here’s what physics says
We need to either travel at speeds close to the speed of light, or spend time in an intense gravitational field. In relativity, these two acts are essentially equivalent.
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VIDEO
COMMENTS
1. Time travel via speed. This is the easiest and most practical way to time travel into the far future – go really fast. According to Einstein’s theory of special relativity, when you...
In order for humanity to send a traveller years into the future, we would either have to take advantage of the intense gravitational acceleration caused by black holes or send the traveller rocketing into space at close to the …
In a recent work published in Nature, a team simulated the possible effect of a time machine using polarized light. Since they couldn’t actually make a beam of light travel back in time,...
In a recent work published in Nature, a team simulated the possible effect of a time machine using polarized light. Since they couldn't actually make a beam of light travel back in time,...
In physics, a time machine is known as a closed timelike curve (CTC). Basically, an object makes a loop through spacetime to interact with its past self. In a recent work published in Nature, a team simulated the possible …
One of the key ideas in relativity is that nothing can travel faster than the speed of light — about 186,000 miles per second (300,000 kilometers per second), or one light-year per year)....
Looks like time travel is possible... for particles of light. Using a photon, physicists have managed to simulate quantum particles traveling through time. Studying the photon’s behavior...
So how can we travel backwards or forwards in time? Using the ‘speed of light’ time travel theory, building a Faster-Than-Light (FTL) Machine is the way to go. It would have to be the fastest ever man-made spaceship as it …
We need to either travel at speeds close to the speed of light, or spend time in an intense gravitational field. In relativity, these two acts are essentially equivalent.