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Archive for the ‘alien life’ category: Page 30

Dec 13, 2022

The Odds of Life and Intelligence

Posted by in categories: alien life, evolution

Click on photo to start video.

If we re-ran Earth’s clock, would life arise again? Would another civilization eventually evolve? Astrobiology is faced with trying to contextualize our place in the Universe using just a single data point. But even a single data point contains information. The key to unlocking it is a careful understanding of the selection biases at play and intricacies of Bayesian statistics. Today, we’re thrilled to present to you our explainer video of a new research paper led by Prof David Kipping that provides a direct quantification of the odds of life and intelligence on Earth-like worlds, based on our own chronology. Presented & Written by Prof. David Kipping.

This video is based on research conducted at the Cool Worlds Lab at Columbia University, New York. You can now support our research program directly here: https://www.coolworldslab.com/support.

Previous episodes to catch up on:
► “Watching the End of the World”: https://youtu.be/p9e8qNNe3L0
► “Why We Could Be Alone”: https://youtu.be/PqEmYU8Y_rI

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Dec 13, 2022

The Problem With “The Rare Earth Hypothesis”

Posted by in categories: alien life, media & arts

The Rare Earth Hypothesis suggests that our planet may the product of an incredibly improbable sequence of events, and thus perhaps intelligent life is extremely rare in the cosmos. Here we tackle this highly influential idea and the arguments behind it. But, digging deeper, we’ll uncover some problems with the Rare Earth idea — some of which strike to the very core of our scientific quest.

Written & presented by Prof David Kipping.

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Dec 12, 2022

A Jupiter-sized spacecraft? Scientists say existing instruments could detect alien technology

Posted by in categories: alien life, physics

“I wouldn’t want to be on the team figuring out how to build a Jupiter-sized spacecraft, but the odds aren’t zero.”

A team of scientists believes we may be able to detect alien spacecraft flying through distant solar systems using the Laser Interferometer Gravitational-Wave Observatory (LIGO) in the US.

Though the scientists from Applied Physics, a research institute in New York, concede that gravitational wave (GW) detection is “in its infancy”, they also say it is “a sophisticated science” that could be used to “detect extra-terrestrial mega-technology,” in a paper available in pre-print server arXiv.

Dec 10, 2022

The Jaw-Dropping New Plan To Send A Robot On A 1,000 Years Journey To An Alien Planet

Posted by in categories: alien life, robotics/AI

Finding alien planets orbiting other stars is easy. Astronomers have found over 6,000 of them in just the last decade, but very few are considered even possibly habitable. Scientists have dozens of telescopes on the ground and in space that can find them and now even study their atmospheres for signs of life. Most are around small, dim red dwarf stars simply because current technology makes it difficult to study objects around bright Sun-like stars.

The next great objective in planetary science? Send a spacecraft to explore the surface of one of them, of course.


If we want to find Earth 2.0 we’re going to have to play the long game and visit star systems most like our own, says a white paper proposing a multi-century mission.

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Dec 10, 2022

Potential Answer for Fermi Paradox

Posted by in categories: alien life, existential risks, mathematics

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Hello and welcome to What Da Math!
In this video, we will talk about alien life.

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Dec 8, 2022

Humanity: Firstborn Space Civilization

Posted by in categories: alien life, futurism

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As we continue to scan the heavens for signs of intelligent life, we must contemplate what it might mean if we are the first civilization to ever arise.

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Dec 8, 2022

New controversial theory suggests that our past, present and future all exist simultaneously

Posted by in categories: alien life, futurism

Here’s an interesting thought. What if you were told that everything in your life has already been planned out?

Even stranger, what if your past, present, and future are all happening right at this moment?

An astonishing new theory known as the “block universe” theory claims that time does not actually “flow like a river”, but rather, everything is ever-present.

Dec 5, 2022

Stephen Wolfram on the Wolfram Physics TOE, Blackholes, Infinity, and Consciousness

Posted by in categories: alien life, cryptocurrencies, economics, information science, mathematics, particle physics, robotics/AI

Stephen Wolfram is at his jovial peak in this technical interview regarding the Wolfram Physics project (theory of everything).
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Link to the Wolfram project: https://www.wolframphysics.org/

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Dec 3, 2022

Exit through the microscopic gift shop

Posted by in categories: alien life, particle physics, quantum physics

Imagine you are at a museum. After a long day admiring the exhibitions, you are exiting the museum. But to be able to get out, you will need to exit through the gift shop. The layout of the gift shop can be set up in several ways. Maybe you can take a short and direct path to the exit, maybe there are long winding corridors stuffed with merchandise you need to pass through. If you take the longer path, you are more likely to lose more of your money before you get outside. The scientists at the CMS collaboration have recently observed a similar phenomenon in high-energy heavy ion collisions, as those illustrated in the event display.

The life of the tiniest particles making up ordinary matter — quarks and gluons — is governed by the laws of quantum chromodynamics. These laws require quarks and gluons to form bound states, like protons and neutrons, under normal conditions. However, conditions like in the early universe, when the energy density and temperature far exceeded those of ordinary matter, can be achieved in giant particle accelerators. In the Large Hadron Collider at CERN this is done by colliding lead nuclei that are accelerated close to the speed of light. In these conditions, a new state of matter, called the quark-gluon plasma, is formed for a tiny fraction of a second. This new state of matter is special, since within the volume of the matter, quarks and gluons act as free particles, without the need to form bound states.

Figure 1: A schematic presentation of a non-central (left) and central (right) heavy ion collision. The outlines of the ions are presented by dashed lines, while the overlap region in which the quark-gluon plasma is produced is colored in orange. The red star shows a position where two quarks might scatter, and green and blue arrows are alternative paths the scattered quark can take to escape the quark-gluon plasma.

Dec 1, 2022

Mars sleuths spot an ‘alien statue’ on the red planet

Posted by in categories: alien life, computing

Taiwan Semiconductor Manufacturing Co. will offer advanced 4-nanometer chips when its new $12 billion plant in Arizona opens in 2024, an upgrade from its previous public statements, after US customers such as Apple Inc. pushed the company to do so, according to people familiar with the matter.

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