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Black Holes are often considered the most dangerous objects in the Universe, especially in science fiction, and today we’ll look at how these may be used as weapons in future warfare.

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Credits:
Weaponizing Black Holes.
Episode 190, Season 5 E24

Written by:

We have developed a new method to look for carbon compounds in space, akin to prospecting for oil on Earth. Our method is published in Monthly Notices of the Royal Astronomical Society.

Between the stars lie vast amounts of interstellar gas and , spread thinly throughout our galaxy. The dust can contain compounds of carbon. When it does we call it carbonaceous interstellar dust. This is an important reservoir for the in space. The continual cycle of material between the stars and the gas in the interstellar medium in our galaxy leads to the delivery of organic molecules to newly forming planetary systems.

A special sub-class of organic molecules called prebiotic molecules are thought to play a major role in the formation of life on Earth. Such prebiotic molecules are likely preserved in carbonaceous interstellar dust that are gathered together in planetesimals, in an early stage of planetary formation. The in such environments may determine the planet’s hospitality to the formation of life there. Therefore, it is important to understand the life cycle of carbonaceous interstellar dust to study this possibility further.

How they derive from General Relativity, the various different types and theories, and some under-considered uses of wormholes. We’ll also discuss some myths and misunderstandings of the concept.

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Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-148927746/ftl04-wormholes.

Cover Art by Jakub Grygier:
https://www.artstation.com/artist/jakub_grygier.

Matt Visser’s 1989 paper “Traversable wormholes: Some simple examples”:
https://arxiv.org/abs/0809.

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Black Holes are amongst the most destructive things in the Universe, but it may be that properly utilized, they might be the best places in the galaxy to live around in the future, and possibly right here in our own solar system too.
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Visit our Website: http://www.isaacarthur.net.
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Listen or Download the audio of this episode from Soundcloud: Episode’s Audio-only version: https://soundcloud.com/isaac-arthur-148927746/colonizing-black-holes.
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Credits:
Outward Bound: Colonizng Black Holes.
Episode 187, Season 5 E21

Written by:

Dark matter is made up of axions, elementary particles that are full of suspense.

About 85 percent of our universe is believed to be composed of dark matter, a hypothetical material that does not interact with light. So it neither reflects nor emits nor absorbs any light rays, and therefore, we can not see this unusual form of the matter directly. However, to understand and explain the nature of dark matter, scientists have created various models.

Surprisingly, a new study has ruled out one such popular explanation of the dark matter, called the axion-like particle (ALP) cogenesis model. The exclusion of ALP means that scientists will now have to consider fewer models while conducting dark matter research. This would increase both the speed and accuracy of their research works and bring us one step closer to understanding the most strange phenomenon of the universe. matter is made up of axons. Recently, scientists from the University of Australia decided to exclude a popular model (ALP cogenesis model) that is used to explain the nature of dark matter.