This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Have you ever made a mistake…
Category: time travel – Page 15
BREAKING: Cambridge Physicists Find Wormhole Proof
University of Cambridge physicists have developed a theoretical foundation for the existence of wormholes, which are pipelines that connect two dissimilar places in space-time. Time travel and instant communication across great distances may become possible if a piece of data or a physical object could pass through the wormhole.
“But there’s a problem: Einstein’s wormholes are extremely unsteady, and they don’t stay open long enough for something to pass over.”
In 1988, physicists reached the deduction that a type of negative energy called Casimir energy might keep wormholes open.
Time Wars & Alternate Timelines
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Temporal Paradox and Time Travel delight us in science fiction, but what would a war across time really look like?
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Credits:
Time Wars & Alternate Timelines.
Science & Futurism with Isaac Arthur.
Episode 356, August 19, 2022
Written, Produced & Narrated by Isaac Arthur.
Editors:
Curt Hartung.
David McFarlane.
Jerry Guern.
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Wormholes explained: How these space-time shortcuts act like time machines
Imagine two towns on two opposite sides of a mountain. People from these towns would probably have to travel all the way around the mountain to visit one another. But, if they wanted to get there faster, they could dig a tunnel straight through the mountain to create a shortcut. That’s the idea behind a wormhole.
A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other. Instead of traveling for many millions of years from one galaxy to another, under the right conditions, one could theoretically use a wormhole to cut the travel time down to hours or minutes.
Because wormholes represent shortcuts through space-time, they could even act like time machines. You might emerge from one end of a wormhole at a time earlier than when you entered its other end.
How Does the TARDIS Work?
The TARDIS is the iconic time machine and spacecraft from the popular sci-fi series Doctor Who. The TARDIS functions by folding space using technology that taps into higher dimensions. But is there any scientific basis for this?
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How A.I. is searching for Aliens | The Age of A.I.
We have always wondered whether other intelligent life exists in this galaxy, but for the first time we have the technology to help answer that question. With artificial intelligence, researchers have renewed the hunt for alien life in space and also begun to wonder if an entirely new life form has been born on earth.
The Age of A.I. is a 8 part documentary series hosted by Robert Downey Jr. covering the ways Artificial Intelligence, Machine Learning and Neural Networks will change the world.
0:00 Looking For Alien Life.
4:23 SETI
10:52 Time Traveling.
15:25 Inner Life.
21:21 A-I-A-I-O
25:13 Ethical Challenges.
27:52 Alien Pulses.
32:12 What’s Next
Metaphor at the Edge of the Human
Billions of years in the future, The Time Traveler stands before a black ocean, under a bloated sun. The shore is scaled with lichen and flecked with snow. The crab things and giant insects that menaced him on his visit millions of years in its past are gone. Apart from the lapping of dark waves, everything is utterly still.
He thinks he sees something shifting in the waves nearby but dismisses it as an illusion; assuming it to be a rock. Still a churning weakness and fear deters him from leaving the saddle of the time machine. Perhaps this anxiety is just prompted by the ultimate desolation of this world.
Studying the unknown constellations, he feels a chill wind. The old sun is being eclipsed by the moon, or some other massive body – for it is possible that the Earth has shifted into a new orbit around its star.
In the New Disney Pixar Movie Lightyear, Time Gets Bendy. Is Time Travel Real, or Just Science Fiction?
One consequence of this is there is no guarantee the clocks will tick at the same rate. In fact, many clocks will tick at different rates.
Even worse, the faster you travel relative to someone else, the slower your clock will tick compared to theirs.
This means if you travel very fast in a spaceship—as Buzz does—a few minutes might pass for you, but years might pass for someone on the planet you left behind.