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Archive for the ‘cosmology’ category: Page 145

Feb 1, 2023

Brian Greene — Did The Universe Emerge Inside a Black Hole?

Posted by in categories: cosmology, quantum physics

The big bang theory explains the beginning of our universe. But could the entirety of our universe be inside a black hole?
Theoretical physicist Brian Greene explains this bizarre hypothesis in cosmology.

The idea that our universe may be entirely contained within a black hole is a mind-bending concept that has been explored by physicists for decades.

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Jan 31, 2023

Dr. Eric Bapteste, Ph.D. — CNRS/AIRE — Interactomics For Deeper Understanding Of Aging And Evolution

Posted by in categories: biological, cosmology, evolution

(http://www.evol-net.fr/index.php?option=com_tlpteam&view=team&id=2&Itemid=559) is a Research Director at the French National Centre for Scientific Research (CNRS), the French state research organization and the largest fundamental science agency in Europe.

Dr. Bapteste has both a Ph.D. in evolutionary biology from Pierre and Marie Curie University and a Ph.D. in the philosophy of biology from Pantheon-Sorbonne University.

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Jan 29, 2023

Scientists discover what is hidden inside a black hole

Posted by in categories: computing, cosmology, quantum physics

A team of researchers used quantum computing and computer learning to describe what is believed to be the interior of a black hole.

Jan 28, 2023

Astronomers inspect a powerful radio-loud high-redshift quasar

Posted by in categories: cosmology, evolution

Using the European VLBI Network (EVN), an international team of astronomers has performed high-resolution imaging observations of a powerful and radio-loud high-redshift quasar known as J2102+6015. Results of the observational campaign, presented January 18 on the preprint server arXiv, could help us better understand the nature of this peculiar quasar and other powerful radio sources.

Quasars, or quasi-stellar objects (QSOs), are extremely luminous active galactic nuclei (AGN) containing supermassive central black holes with accretion disks. Their redshifts are measured from the strong spectral lines that dominate their visible and .

Astronomers are especially interested in finding new (at redshift higher than 4.5) as they are the most luminous and most distant compact objects in the observable universe. Spectra of such QSOs can be used to estimate the mass of supermassive black holes that constrain the evolution and formation models of quasars. Therefore, high-redshift quasars could serve as a powerful tool to probe the .

Jan 28, 2023

Our Universe is normal! Its biggest anomaly, the CMB cold spot, is now explained

Posted by in category: cosmology

The Universe is supposed to be the same everywhere and in all directions. So what’s that giant “cold spot” doing out there?

Jan 28, 2023

The Fifth Dimension’s Portal Has Been Found, According to Scientists — archeology and animals Blog

Posted by in categories: cosmology, particle physics

In a new study, scientists say that a particle that links to a fifth dimension can explain dark matter.

The “warped extra dimension” (WED) is a trademark of a popular physics model that was first introduced in 1999. This research, which was published in The European Physical Journal C, is the first to use the theory to explain the long-standing dark matter problem in particle physics. Gravity portals' could morph dark matter into ordinary matter, astrophysicists propose | Live Science

The idea of dark matter, which makes up most of the matter in the universe, is the basis for what we know about how the universe works. Dark matter is like a pinch-hitter that helps scientists figure out how gravity works. Without a “x factor” of dark matter, many things would dissolve or fall apart. Even so, dark matter doesn’t change the particles we can see and “feel,” so it must have other special qualities as well.

Jan 27, 2023

Cybernetic Theory: The Code of Reality & Our Future as Cybergods | Talk

Posted by in categories: cosmology, existential risks, physics, robotics/AI, singularity, transhumanism, virtual reality

CYBERNETIC THEORY: THE CODE OF REALITY & OUR FUTURE AS CYBERGODS: presenting my published works in a recent talk. Topics include evolutionary cybernetics, computational physics, consciousness, philosophy of mind, cybernetic theory, Omega Point cosmology, physics of time, simulation theory, Global Mind, AGI, VR, Metaverse, Cybernetic Singularity, transhumanism, posthumanism, cybernetic immortality, synthetic telepathy, mind-uploading, neurotechnologies, Fermi Paradox, Dark Matter, Dark Energy, the Argument for Cybertheism, and more.

The main 45-minute slide presentation is followed by a 15-minute Q&A session. This presentation is in Russian with slides and subtitles in English.

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Jan 26, 2023

She Turns Fluids Into ‘Black Holes’ and ‘Inflating Universes’

Posted by in category: cosmology

By using fluids to model inaccessible realms of the cosmos, Silke Weinfurtner is “looking for a deeper truth beyond one system.” But what can such experiments teach us?

Jan 26, 2023

Neil Turok on the case for a parallel universe going backwards in time

Posted by in category: cosmology

To explain the cosmos without invoking cosmic inflation, physicist Neil Turok has proposed the existence of a mirror-image universe going backwards in time from the big bang. He tells us why the idea is so compelling.

Jan 26, 2023

Green comet’s new “anti-tail” seemingly breaks the laws of physics

Posted by in categories: cosmology, physics

Astrophotographers spotted what looks like a third tail flowing in front of, instead of behind, the glowing comet.

The green comet C/2022 E3 (ZTF), which last flew by Earth 50,000 years ago when Neanderthals still coexisted with humans, has been gradually making its way across the night sky over the last few days.

What’s more, as per a LiveScience report, this “anti-tail” appears to be flowing in the wrong direction and is, therefore, seemingly breaking the laws of physics.

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