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Archive for the ‘existential risks’ category: Page 33

Jul 8, 2022

The Fermi Paradox: Multiverse

Posted by in categories: alien life, existential risks

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The Fermi Paradox contemplates the weirdness of our galaxy seemingly being devoid of intelligent alien life, but Many Worlds Theory, Multiverses, Parallel Universe, and Alternate Realities may radically alter our thinking on Aliens & SETI.

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Jul 6, 2022

Scientists just detected a bus-sized asteroid that will fly extremely close to Earth tonight

Posted by in categories: asteroid/comet impacts, existential risks

😳!


Astronomers detected a small asteroid called 2022 NF that will pass within 23% of the distance from Earth to the moon tonight.

Jul 6, 2022

Toxic Slime Contributed to Earth’s Worst Mass Extinction—And It’s Making a Comeback

Posted by in categories: biotech/medical, existential risks

Global warming fueled rampant overgrowth of microbes at the end of the Permian period. Such lethal blooms may be on the rise again.


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Jul 3, 2022

Consciousness and Identity

Posted by in categories: existential risks, life extension, neuroscience, transhumanism

A look at how emerging concepts in science & technology could disrupt our most our understandings of identity, consciousness, and free will. This is the 5th episode of the Existential Crisis series which looks at concepts like Transhumanism, Life Extension, the Simulation Hypothesis, the Doomsday Argument, and the Anthropic Principle.

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Jul 1, 2022

Never-before-seen crystals found in perfectly preserved meteorite dust

Posted by in categories: asteroid/comet impacts, existential risks

😳!


Researchers have discovered never-before-seen types of crystal hidden in tiny grains of perfectly preserved meteorite dust. The dust was left behind by a massive space rock that exploded over Chelyabinsk, Russia, nine years ago.

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Jul 1, 2022

Fermi Paradox: The Great Filter is Near

Posted by in category: existential risks

Anything not forbidden is mandatory quote by TH white once and future king.


An exploration of the notion that extinction by unforeseen means is a solution to the Fermi Paradox and that all civilizations in the universe blunder into extinction without seeing it coming.

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Jun 30, 2022

World’s first full-scale planetary defense test against potential asteroid impacts

Posted by in categories: asteroid/comet impacts, existential risks

A giant asteroid’s impact is considered the likely cause of the mass extinction of the dinosaurs almost 66 million years ago.

While there is no potential harm from an asteroid on the Earth at present, it is still important to keep our defense system ready in order to prevent catastrophic consequences such as impacts by deflecting trajectories of asteroids if one is ever discovered.

With this aim, NASA launched the Double Asteroid Redirection Test (DART) mission, the world’s first planetary defense test mission, last November. DART is the first-ever mission dedicated to investigating and demonstrating one method of asteroid deflection by changing an asteroid’s motion in space through kinetic impact. In summary, it is to collide with an asteroid and deflect it from its orbit in order to provide valuable information for the development of such a planetary defense system.

Jun 30, 2022

The Fermi Paradox: Firstborn

Posted by in categories: alien life, existential risks

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As ancient and vast as the Universe is, it seems like some alien race arose in the galaxy long before us, but who rose before them? What would the cosmos be like for the first civilization to arise, and what if it is us?

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Jun 30, 2022

Can We Genetically Engineer Humans for Space?

Posted by in categories: alien life, existential risks, genetics, habitats

Traveling far distances in space is difficult, but advances in jet propulsion and genetics are making it possible. Trace is joined by Dr. Kiki Sanford to discuss how by altering the genes in our own bodies, we can make ourselves more fit to survive on other planets!

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Check out her website: http://www.about.me/drkiki/

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Jun 28, 2022

How to See the Giant Comet Heading Our Way Soon

Posted by in categories: asteroid/comet impacts, existential risks

One of the largest comets known is approaching our planet on the only trip through the inner solar system it will make during our lifetimes.

Five years ago, the Hubble Space Telescope spotted a large comet at the farthest distance ever, as it was approaching the sun from way out between the orbits of Saturn and Uranus. Now, that giant space snowball is coming in for its closest pass by Earth in just a few weeks.

Comet C/2017 K2 will be at its nearest point to us on its current swing through the inner solar system on July 14. Even at its closest, however, it will still be farther away from us than the average distance between Earth and Mars. This will likely make it difficult to see the comet without at least a small telescope, despite its substantial stature.

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