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Archive for the ‘cosmology’ category: Page 206

Jan 8, 2022

Hawking radiation mimicked in the lab

Posted by in categories: cosmology, particle physics, quantum physics

Circa 2014


Scientists have come closer than ever before to creating a laboratory-scale imitation of a black hole that emits Hawking radiation, the particles predicted to escape black holes due to quantum mechanical effects.

The black hole analogue, reported in Nature Physics1, was created by trapping sound waves using an ultra cold fluid. Such objects could one day help resolve the so-called black hole ‘information paradox’ — the question of whether information that falls into a black hole disappears forever.

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Jan 8, 2022

A better black hole laser may prove a circuitous ‘Theory of Everything’

Posted by in categories: cosmology, engineering, particle physics, quantum physics

😮 circa 2021.


The fundamental forces of physics govern the matter comprising the Universe, yet exactly how these forces work together is still not fully understood. The existence of Hawking radiation — the particle emission from near black holes — indicates that general relativity and quantum mechanics must cooperate. But directly observing Hawking radiation from a black hole is nearly impossible due to the background noise of the Universe, so how can researchers study it to better understand how the forces interact and how they integrate into a “Theory of Everything”?

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Jan 8, 2022

Saturday’s Google Doodle Celebrates Physicist Stephen Hawking

Posted by in categories: cosmology, information science

Today’s Google Doodle honors the late physicist Stephen Hawking on his 80th birthday. Hawking was a renowned cosmologist, and he spent his career theorizing about the origins of the universe, the underlying structure of reality, and the nature of black holes. But he became a household name for the way he communicated those ideas to the public through books and TV appearances.

“My goal is simple,” he once said. “It is a complete understanding of the universe, why it is as it is and why it exists at all.”

One of Hawking’s best-known ideas is that black holes slowly regurgitate information about all the matter they’ve swallowed — but it comes out in a jumbled form called Hawking radiation. In 1974, Hawking proposed that the event horizon of a black hole emits energy. Because energy can be converted into mass, and vice versa (that’s what Albert Einstein’s famous equation E=mc2 tells us), emitting all that energy into space will shrink the black hole. Eventually, it will run out of mass and disappear.

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Jan 8, 2022

Scientists Are Perplexed to Find a Galaxy Without Dark Matter

Posted by in category: cosmology

Could this find contradict years of dark matter theories?

Dark energy and dark matter are believed to make up almost 95% of our universe. We are still unsure about what they are or where they come from but we believe they hold galaxies together with their gravity.

That’s why we were shocked to find out astronomers spotted a perplexing galaxy without the ever-elusive matter, according to Gizmodo. It all began three years ago when Filippo Fraternali, an astronomer at Kapteyn Astronomical Institute of the University of Groningen in the Netherlands, and his colleagues first came across a few diffuse galaxies that looked as though they lacked dark matter.

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Jan 8, 2022

Did aliens genetically engineer humans 780,000 years ago?

Posted by in categories: bioengineering, cosmology, evolution, genetics, neuroscience

The first humans emerged on Earth about 4 million years ago, but new evidence from the study of human evolution has revealed compelling evidence that a small group of these hominins was genetically modified by ancient alien visitors to create the first Homo sapiens.

Researcher and author Daniella Fenton has thoroughly analyzed humanity’s earliest origins and its sudden acceleration in brain development nearly 800,000 years ago, and this research has led to a major revelation.

“Homo sapiens is the creation of ancient astronauts who came through a wormhole in the Pleiades star cluster more than 780,000 years ago.”

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Jan 8, 2022

Keeping an #infrared telescope at very cold operating temperatures isn’t an option, it’s an absolute necessity

Posted by in categories: cosmology, physics, singularity

JWST operating temperature is less than 50 degrees above absolute zero (−223° C or-370° F) and will be the largest telescope ever placed at that cold temperature (50 Kelvin).

Webb will be able to see what the universe looked like around a quarter of a billion years (possibly back to 100 million years) after the #BigBang, when the first stars and galaxies started to form. JWST will change our view of the cosmos by taking Baby Pictures of #Universe, looking back to big bang.

#JWST is going to be like “Magic spectacles” that allow you to see things that you can’t normally see.
which is the pictures of the infant universe.

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Jan 7, 2022

The Omega Singularity: A Missing Piece in Quantum Cosmology

Posted by in categories: computing, cosmology, neuroscience, quantum physics, singularity, transhumanism

COUNTDOWN TO RELEASE: Here comes the next and final installment in The Cybernetic Theory of Mind series ― The Omega Singularity: Universal Mind & The Fractal Multiverse ― which is now available to pre-order as a Kindle eBook on Amazon. In this final book of the series, we discuss a number of perspectives on quantum cosmology, computational physics, theosophy and eschatology. How could dimensionality be transcended yet again? What is the fractal multiverse? What is the ultimate destiny of our universe? Why does it matter to us? What is the Omega Singularity? These are some of the questions addressed in this concluding volume of my eBook series.

#OmegaSingularity #UniversalMind #FractalMultiverse #CyberneticTheoryofMind #EvolutionaryCybernetics #PhilosophyofMind #QuantumCosmology #ComputationalPhysics #futurism #posthumanism #cybernetics #cosmology #physics #philosophy #theosophy #consciousness #ontology #eschatology

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Jan 7, 2022

Astronomers Discover a Strange Galaxy Without Dark Matter

Posted by in category: cosmology

New, high-resolution observations of a faint, fluffy galaxy suggest that dark matter’s not as ubiquitous as scientists thought.

Jan 7, 2022

Giant dying star explodes as scientists watch in real time — a first for astronomy

Posted by in categories: cosmology, materials

Astronomers were first alerted to the star’s unusual activity 130 days before it went supernova. Bright radiation was detected in the summer of 2020 by the University of Hawaiʻi Institute for Astronomy Pan-STARRS telescope on Maui’s Haleakalā.

Then, in the fall of that year, the researchers witnessed a supernova in the same spot.

They observed it using the W.M. Keck Observatory’s Low Resolution Imaging Spectrometer on Maunakea, Hawai’i, and named the supernova 2020tlf. Their observations revealed that there was material around the star when it exploded — the bright gas that the star violently kicked away from itself over the summer.

Jan 6, 2022

What existed before the Big Bang?

Posted by in categories: cosmology, physics

Exactly what existed before the birth of our own Universe remains a mystery, but that is not stopping some physicists from trying to figure it out.