Transhumanismus

Data Science Career Stories You Loved In 2021 – Analytics India Magazine

Home AI - 28 Listopad, 2021 - 20:29

To understand more about what she likes, Saishruthi experimented with everything from machines to machine learning. Her internship was a turning …


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Artificial intelligence reveals the secrets of the spider web – Digital Journal

Home AI - 28 Listopad, 2021 - 20:29

This has been revealed through a combination of night vision and artificial intelligence. Night vision recording enabled the researchers to track …


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Kategorie: Transhumanismus

driving the human shortlists seven projects for new ways to co-inhabit on the planet – Designboom

Home AI - 28 Listopad, 2021 - 20:25

… although most AIs manifest as software machine learning algorithms, … a future where humans, ecosystems, and machines live in harmony.


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Holograms on the horizon? Local company Ikin seeks to make futuristic technology mainstream

Home AI - 28 Listopad, 2021 - 20:02

… “neural adaptive” artificial intelligence algorithms and other software to deliver holograms on small devices — including an accessory that …


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Kategorie: Transhumanismus

Tech transformation: Don Tapscott’s ‘Platform Revolution’ book review – Cointelegraph

Home AI - 28 Listopad, 2021 - 19:59

In his latest book, 'Platform Revolution,' Don Tapscott explains how blockchain technology has converged with AI, machine learning and IoT.


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Nanoantenna Enables Advanced Quantum Communication and Data Storage – Unite.AI

Home AI - 28 Listopad, 2021 - 19:35

5 Best Machine Learning & AI Books of All Time · Earkick Raises $1M for Real-Time Mental Health Tracker · New Method Simplifies Automated Driving …


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Scientists Model What Would Happen if a Mini Black Hole Punched Through the Moon

Singularity HUB - 28 Listopad, 2021 - 19:00

The lunar surface is a record of the solar system’s violent origins. But look closely enough and we may find something even more exotic there—the cratered remains of an impact with a black hole the size of an atom, birthed in the first moments of the universe.

According to a theory proposed by Bernard Carr and Stephen Hawking in the 1970s, the conditions just after the Big Bang were so energetic, the matter so tightly packed, that density fluctuations in the primordial soup collapsed into black holes of all sizes.

On one end of the spectrum, the ancestors of supermassive black holes emerged—on the other end, tiny black holes, some no larger than atoms.

The Big Bang would have created these primordial black holes in such abundance that some scientists believe they could make up a fraction of the universe’s dark matter. The thing is, no one knows if primordial black holes, massive or microscopic, exist.

Which is where a new study comes in.

If swarms of tiny black holes have ever zipped through the solar system, a select few of them may have punched holes in planets and moons.

On Earth, the scars of such collisions would have long healed, eroded away by the work of wind, water, and plate tectonics. But the moon’s surface is another matter. If a mini black hole punctured the moon, the crater could still be there. We could find it.

According to the paper, published in Monthly Notices of the Royal Astronomical Society in June, a collision with a mini black hole ought to leave a distinct signature. The study’s authors, Matthew Caplan and Almog Yalinewich, propose we survey the moon’s surface for craters with the right attributes. If we find one (or more) such craters, and confirm its origin, we’d have found evidence not only of primordial black holes but a dark matter candidate too.

Caplan admits it “sounds a little wild,” but that’s kind of the point. “When people think about dark matter, they’re usually fixated about … trying to extend existing methods, for the most part,” he told CNET. “It’s very rare that people try to think outside the box.”

Birth of a Black Hole 

Not long after Hawking and Carr suggested primordial black holes could still be wandering the cosmos, researchers realized they could solve another riddle: the nature of dark matter. Stars orbit their galaxies much too fast given all the matter we can see. This invisible component, whose gravity can clearly be observed in stellar orbits, is called dark matter. To this day, no one knows what it is.

Over the years, the most popular dark matter theory has suggested it’s made up of weakly interacting massive particles (WIMPS), but scientists have yet to find any such particles.

In parallel, the notion that primordial black holes could comprise some of the universe’s dark matter has gone in and out of fashion as evidence has tipped the scales this way and that. But in 2016, the first detection of gravity waves jolted the idea back to life.

That scientists had recorded ripples in the fabric of space-time, caused by the enormous collision and merger of two black holes, was mind-boggling enough. But after a closer look, the masses of the two black holes involved made researchers do a double take.

Star-sized black holes commonly form when a giant star, many times the size of our sun, exhausts its internal fuel and collapses in on itself. The star’s outer shell is blasted away in a brilliant explosion called a supernova, while the core, unable to resist gravity, implodes into a point of extreme density. Gravity becomes so strong near the center of a black hole that, beyond a threshold called the event horizon, nothing, not even light, can escape.

Before the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected its first black hole merger, the largest star-sized black holes astronomers had discovered were about 20 times the mass of our sun. The black holes in LIGO’s first observation were over 30 solar masses, the biggest yet discovered.

Many of the subsequent 90 detections have involved black holes with masses in the same range or even larger, with some weighing as much as 100 solar masses. Primordial black holes, it’s believed, ought to be found in this larger mass range (and also in ranges smaller than a single solar mass).

The peculiar size of merging black holes, combined with the sheer number observed, may help scientists confirm the existence of large primordial black holes. But what about the little ones on the other end of the spectrum? To estimate what fraction of dark matter primordial black holes make up (if they exist), scientists need to set bounds in the size distribution.

Dark Matter Detector

We already know, for example, that the very smallest black holes—those with masses below your average asteroid—would have evaporated by now. Others might still be around but should emit X-rays we could observe and measure.

Hawking famously established that black holes radiate energy away, and given a long enough time, they disappear in a flash. But primordial black holes with slightly larger masses, yet still not much larger than atoms, would have lifespans longer than the current age of the universe and wouldn’t otherwise be detectable.

“This is why our paper is significant,” Yalinewich told CNET. “We prove a range that can’t be proven by other methods.”

Focusing on black holes in this range, Caplan and Yalinewich modeled the impact of an average asteroid or meteorite and compared it to that of a mini black hole. They found the two would be noticeably different.

The former would be roughly the same density as the moon and transfer all its energy on impact; the latter would be far more dense than the moon and would punch straight through to the other side with little resistance.

“They’re going at incredible speeds, 200 kilometers a second,” Caplan told New Scientist. “It’s like a bullet punching through cotton candy.”

But here’s the key: In a standard impact—and this would apply to most of the moon’s craters—the ring of material ejected at impact would pile up at a shallower angle than that ejected by a mini primordial black hole. This steep “ejecta blanket” is a critical signature.

Caplan and Yalinewich write that primordial black hole craters ought to be at least a meter across, within the resolution of the Lunar Reconnaissance Orbiter. Of course, the moon is not lacking for craters. So, the pair suggest training a machine learning algorithm to scour orbiter images of the moon’s surface for just the right ones.

Even then, the work isn’t over. Some craters with steep ejecta blankets aren’t of exotic origins. Final confirmation would require future missions to sample lunar regolith and look for silica and quartz fused by the extreme conditions in such an impact.

Still, it’s not certain we’d find anything.

Even if all dark matter were explained by mini primordial black holes, Caplan and Yalinewich calculate the odds of a lunar impact at 10 percent. So, the real likelihood is lower than that. Also, although they estimate such craters would last a billion years on the moon before being erased by time and showers of meteorites, Purdue’s David Minton questioned that number—suggesting it might be more on the order of just 13 million years.

Yalinewich agreed, but countered that the ejecta itself should last longer and still be identifiable. And there are other well-preserved surfaces in the solar system. Future missions could look for evidence of mini primordial black hole impacts on Mercury, Mars, Pluto, or rocky moons in the outer solar system.

“If you look at the combined surface area of all these,” Yalinewich said, “you should expect at least one of these exotic craters to appear.”

Image Credit: Nicolle R. Fuller/NSF

Kategorie: Transhumanismus

Community policing found to be ineffective in improving trust or reducing crime – Phys.org

Home AI - 28 Listopad, 2021 - 18:58

Nov 26, 2021. report. Machine learning solves the who's who problem in NMR spectra of organic crystals. Nov 26, 2021 …


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My Turn: Building bridges, across rivers and party lines – Concord Monitor

Home AI - 28 Listopad, 2021 - 18:57

Last year, I wrote a book called Think For Yourself: Restoring Common Sense in an Age of Experts and Artificial Intelligence.


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Can Quantum Physics, Neuroscience Merge as Quantum Consciousness? | Mind Matters

Home AI - 28 Listopad, 2021 - 18:54

Vertebrates of widely varying degrees of intelligence or … from the exciting world of natural and artificial intelligence at MindMatters.ai.


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Winner of 2021 Dyson Award Goes to First Ever Device to Monitor Glaucoma Symptoms From Home

Home AI - 28 Listopad, 2021 - 18:51

The captured signals are processed by machine learning algorithms and then transmitted to the Cloud via Bluetooth to be accessed remotely by …


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These Are the Core Concepts of Longevity Medicine | Well+Good

Home AI - 28 Listopad, 2021 - 18:31

Artificial intelligence and deep learning. The last 10 years have seen huge advancements in machine learning, a part of artificial intelligence where …


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Data Center Accelerator Card Market Report 2021, Trends, Competitive Landscape and …

Home AI - 28 Listopad, 2021 - 18:10

… the application spectrum of Data Center Accelerator Card market into Deep Learning Training,Public Cloud Interface andEnterprise Interface.


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Is your AI project doomed to fail before it begins? | VentureBeat

Home AI - 28 Listopad, 2021 - 18:07

Artificial intelligence (AI), machine learning (ML) and other emerging technologies have potential to solve complex problems for organizations.


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Is your AI project doomed to fail before it begins? | VentureBeat

Home AI - 28 Listopad, 2021 - 18:07

Artificial intelligence (AI), machine learning (ML) and other emerging technologies have potential to solve complex problems for organizations.


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Kategorie: Transhumanismus

‘Change is a constant’ in future reality – Trade Arabia

Home AI - 28 Listopad, 2021 - 18:05

Dr Ben Amor outlined the progression from the origins of AI in the 1950s to machine learning in the 1980s and deep learning in the 2010.


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These Are the Core Concepts of Longevity Medicine | Well+Good

Home AI - 28 Listopad, 2021 - 18:04

Artificial intelligence and deep learning. The last 10 years have seen huge advancements in machine learning, a part of artificial intelligence where …


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Kategorie: Transhumanismus

Top 10 Applications of Data science In The Insurance Sector – Analytics Insight

Home AI - 28 Listopad, 2021 - 18:00

As data science stands the potential to transform raw data into meaningful one, it has gained immense popularity across all the sectors including …


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Kategorie: Transhumanismus

Samsung Electronics : Push To Leverage Artificial Intelligence on Display at RSNA 2021 …

Home AI - 28 Listopad, 2021 - 17:51

Company to highlight its advances in artificial intelligence in ultrasound, digital radiography and mobile computed tomography.


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Did that artificially-intelligent chatbot just crack a rude joke? – Mint

Home AI - 28 Listopad, 2021 - 17:51

… say, book a table, and a voice—with just the slightest inflection of its machinelearning origins — responds with great civility. That's nice.


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