Archive for the ‘time travel’ category

Nov 26, 2023

The AI Time Machine: When Will Superintelligence Arrive?

Posted by in categories: biotech/medical, robotics/AI, supercomputing, time travel

Buckle up, because we’re entering the era of thinking machines that make humans look like chattering chimps! But don’t worry about polishing your resume to impress our future robot overlords just yet. The experts are wildly divided on when superintelligent AI will actually arrive. It’s like we’re staring at an AI time machine without knowing if it will teleport us to 2 years from now or 2 decades into the future!

In one corner, we have Mustafa Suleyman from Inflection AI. He says take a chill pill, we’ve got at least 10–20 more years before the AI apocalypse. But hang on…his company just whipped up the world’s 2nd biggest AI supercomputer! It’s cruising with 3X the horsepower of GPT-4, the chatbot with reading skills rivaling a university professor. So something tells me Suleyman’s timeline is slower than your grandma driving without her glasses.

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Nov 26, 2023

The Fermi Paradox Compendium of Solutions & Terms

Posted by in categories: asteroid/comet impacts, existential risks, information science, media & arts, neuroscience, singularity, sustainability, time travel, virtual reality

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In the grand theater of the cosmos, amidst a myriad of distant suns and ancient galaxies, the Fermi Paradox presents a haunting silence, where a cacophony of alien conversations should exist. Where is Everyone? Or are we alone?

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Nov 15, 2023

Is time travel really possible? Here’s what physics says

Posted by in categories: physics, time travel

The ability to jump forward and backwards in time has long fascinated science fiction writers and physicists alike. So is it really possible to travel into the past and the future?

Nov 13, 2023

Is time travel even possible? An astrophysicist explains the science behind the science fiction

Posted by in categories: futurism, time travel

Scientists are trying to figure out if time travel is even theoretically possible. If it is, it looks like it would take a whole lot more knowledge and resources than humans have now to do it.

Nov 10, 2023

Quantum Leap (with Sean Carroll)

Posted by in categories: quantum physics, space travel, time travel

Sean Carroll is a theoretical physicist who serves as a Homewood Professor of Natural Philosophy at Johns Hopkins University. Carroll strives to convey complicated physics concepts in accessible terms on his Mindscape podcast and in his popular books, including last year’s The Biggest Ideas in the Universe: Space, Time, and Motion. He joins Preet to talk about the relationship between science and philosophy, how to comprehend quantum mechanics, and whether there are billions of similar universes operating alongside our own.

Plus, Special Counsel David Weiss’s testimony in front of the House Judiciary Committee about the Hunter Biden prosecution and Trump’s reported plan to use the Department of Justice for revenge if he retakes the presidency.

Don’t miss the Insider bonus, where Preet and Carroll talk more about depictions of time travel in Hollywood films. To listen, become a member of CAFE Insider for $1 for the first month. Head to

Nov 10, 2023

James Webb: NASA’s time-traveler telescope now traces roots of Earth

Posted by in categories: space, time travel

Webb’s observations have offered key insights into the intricate process of rocky planet formation.

NASA, ESA, CSA, Joseph Olmsted (STScI)

This high-powered telescope focused its lens on the cosmic disks (protoplanetary disk), where planets came into being, and detected the presence of water vapor.

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Nov 5, 2023

We built a ‘brain’ from tiny silver wires. It learns in real time, more efficiently than computer-based AI

Posted by in categories: nanotechnology, robotics/AI, time travel

A tangle of silver nanowires may pave the way to low-energy real-time machine learning.

Oct 29, 2023

Physicists Say Time Travel Can Be Simulated Using Quantum Entanglement

Posted by in categories: quantum physics, time travel

A simulation offers a means of probing time travel without worrying about whether it’s actually permitted by the rules of the universe.

“Whether closed timelike curves exist in reality, we don’t know. The laws of physics that we know of allow for the existence of CTCs, but those laws are incomplete; most glaringly, we don’t have a theory of quantum gravity,” said Yunger Halpern. “Regardless of whether true CTCs exist, though, one can use entanglement to simulate CTCs, as others showed before we wrote our paper.”

Oct 28, 2023

AI Can Screen for Diabetes

Posted by in categories: biotech/medical, food, health, mobile phones, robotics/AI, sex, time travel

In America, roughly 40 million Americans have diabetes and about 95% of them have type 2 diabetes. Type 2 diabetes occurs when the body cannot correctly process sugar and fuel cells. More specifically, the body does not produce enough insulin to break down sugar into glucose for the cells to use. In this case, treatment includes insulin shots or a pump in addition to a strict diet excluding sweets or high fat meals. Treatment limitations disrupt patient quality of life. Some researchers have been working on better detection for diabetic retinopathy with artificial intelligence (AI), but research is limited on how to better detect diabetes itself. Thus, many researchers are working to detect diabetes early on and discover better treatments.

Klick labs, located in multiple cities across the world, is trying to detect type 2 diabetes by having a patient speak into a microphone for 10 seconds. Klick labs believes this technology can better detect diabetes and help patients get treatment earlier. The study was published in Mayo Clinic Proceedings: Digital Health, which details how patients spoke for 10 seconds and combined with health data, including age, sex, height, and weight, created an AI model that discerns whether a person has type 2 diabetes or not. After further tests, scientists determined it has 89% and 86% accuracy for women and men, respectively.

In the study, Klick Labs collected voice recordings of 267 people, either non-diabetic or diabetic. The participants were asked to record a phrase into their smartphones six times a day for a total of 2-weeks. Over 18,000 recordings were taken and analyzed to distinguish 14 acoustic features that helped distinguish non-diabetic to type 2 diabetic individuals. The research highlights specific vocal variations in pitch and intensity that could lead to how the medical community screens for early-onset diabetes. A major barrier to early detection includes time, travel, and cost, which many people do not have. Voice diagnosis can help eliminate those barriers and improve detection and treatment in diabetic patients.

Oct 16, 2023

Saturday Citations: Gravitational waves, time travel and the simulated universe hypothesis

Posted by in categories: alien life, computing, mathematics, physics, time travel

This week, researchers proved empirically that life isn’t fair. Also, you’ll notice that, in a superhuman display of restraint, I managed to write a paragraph about the simulated universe hypothesis without once referencing “The Matrix.” (Except for this reference.)

Oh, so a European research team has proven that flipped coins aren’t actually fair? Buddy, life isn’t fair! Do you think the world owes you two equally probable outcomes as established by an axiomatic mathematical formalization? When I was a kid, we didn’t even have coins! We had to roll dice! It took 10 minutes to start a football game! Oh, so a coin is very slightly more likely to land on the same face as its initial position? Quit crying! It’s only a meaningful bias if you flip a coin multiple times!

Applying a recently discovered physical law, a physicist at the University of Portsmouth has contributed to the discussion about whether or not the universe is a simulation. The simulated universe hypothesis proposes that the universe is actually a simulation running on a vastly complex computing substrate and we’re therefore all just NPCs, walking through our animation loops and saying, “Hail, summoner! Conjure me up a warm bed!” and “Do you get to the Cloud District often?”

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