Lifeboat Foundation

As the common tropes of science fiction continue to break out into reality, from humanoid robots to self-driving cars, there’s one concept that has seemingly remained beyond our grasp: time travel.

But, jumping through time might not be impossible, after all, according to one astrophysicist.

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Black holes – everyone knows that they exist, but nobody really knows what they are exactly.

A lot of laws of physics seem to be ignored or omitted when it comes to black holes, so there always seems to be a missing link when it comes to understanding how they work.

BLACK HOLE Vs WHITE HOLE

The SYFY25: Origin Stories Podcast, hosted by Adam Savage (editor-in-chief, tested.com and former co-host of Mythbusters), is a nostalgic celebration of all things science fiction. In this podcast series Adam sits down with creators, thought-leaders, and celebrity fans to discuss the moments, people, and milestones that have changed the genre universe forever. From revealing personal anecdotes to deep philosophical discussions.

Transhumanist philosopher Natasha Vita-More chats with Adam and explains what transhumanism means for us regular humans, how it will impact the evolution of humanity, and close we are to uploading our brains into databases, ensuring our immortality.

Listen on iTunes.

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While black hole collisions produce almost no signature other than gravitational waves, the collision of neutron stars can be — and was — observed up and down the electromagnetic spectrum. “When neutron stars collide, all hell breaks loose,” said Frans Pretorius, a Princeton physics professor. “They start producing a tremendous amount of visible light, and also gamma rays, X-rays, radio waves…”

Princeton researchers have been studying neutron stars and their astronomical signatures for decades.

A group of astronomers from the universities of Groningen, Naples and Bonn has developed a method that finds gravitational lenses in enormous piles of observations. The method is based on the same artificial intelligence algorithm that Google, Facebook and Tesla have been using in the last years. The researchers published their method and 56 new gravitational lens candidates in the November issue of Monthly Notices of the Royal Astronomical Society.

When a galaxy is hidden behind another galaxy, we can sometimes see the hidden one around the front system. This phenomenon is called a gravitational lens, because it emerges from Einstein’s general relativity theory which says that mass can bend light. Astronomers search for gravitational lenses because they help in the research of dark matter.

The hunt for gravitational lenses is painstaking. Astronomers have to sort thousands of images. They are assisted by enthusiastic volunteers around the world. So far, the search was more or less in line with the availability of new images. But thanks to new observations with special telescopes that reflect large sections of the sky, millions of images are added. Humans cannot keep up with that pace.

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Physicists theorize that a new “traversable” kind of wormhole could resolve a baffling paradox and rescue information that falls into black holes.

Although it might not be observable, if our current theories of physics are correct, the multiverse must exist.

Pioneered by Erik Verlinde, the idea is that gravity emerges from a more fundamental phenomenon in the Universe, and that phenomenon is entropy.

“Sound waves emerge from molecular interactions; atoms emerge from quarks, gluons and electrons and the strong and electromagnetic interactions; planetary systems emerge from gravitation in General Relativity. But in the idea of entropic gravity — as well as some other scenarios (like qbits) — gravitation or even space and time themselves might emerge from other entities in a similar fashion. There are well-known, close relationships between the equations that govern thermodynamics and the ones that govern gravitation. It’s known that the laws of thermodynamics emerge from the more fundamental field of statistical mechanics, but is there something out there more fundamental from which gravity emerges? That’s the idea of entropic gravity.”

Continue reading “Are Space, Time, And Gravity All Just Illusions?” »

Scholarly paper on building a time machine:

“Quantum teleportation through time-shifted AdS wormholes.

(Submitted on 30 Aug 2017)

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