bing chen and yan li

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Ringworlds are a type of megastructure that engulf an entire star, first popularized in Larry Niven's classic novel Ringworld. These constructs a million times larger than Earth have captivated minds for nearly half a century but been considered impossible to build under known science. Today, we will attempt to show otherwise.

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Listen or Download the audio of this episode from Soundcloud: https://soundcloud.com/isaac-arthur-1...
Cover Art by Jakub Grygier: https://www.artstation.com/artist/jak...

Graphics Team:
Edward Nardella
Jarred Eagley
Justin Dixon
Katie Byrne
Kris Holland of Mafic Stufios: www.maficstudios.com
Misho Yordanov
Pierre Demet
Sergio Botero: https://www.artstation.com/sboterod?f...
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Mark Warburton
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Music:
Markus Junnikkala, "We Roam the Stars"
Kai Engel, "Endless Story About Sun And Moon"
Markus Junnikkala, "A Memory of Earth"
Kai Engel, "Periculum"
Lombus, "Hydrogen Sonata"
Dexter Britain, "Going Under"
AJ Prasad, "Aether"

A look at creating artificial planets, ones vastly bigger than Earth.
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We return to the Megastructures series to discuss various ways of creating artificial planets, the special issues with making an Earth-like planet much larger or smaller than Earth, and the maximum size they can be, potentially larger than entire solar systems.

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Listen or Download the audio of this episode from Soundcloud: https://soundcloud.com/isaac-arthur-1...
Cover Art by Jakub Grygier: https://www.artstation.com/artist/jak...

Graphics Team:
Edward Nardella
Jarred Eagley
Justin Dixon
Katie Byrne
Kris Holland of Mafic Stufios: www.maficstudios.com
Misho Yordanov
Pierre Demet
Sergio Botero: https://www.artstation.com/sboterod?f...
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Mark Warburton
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Tiffany Penner

Music:
Markus Junnikkala, "We Roam the Stars"
Aerium, "Fifth Star of Aldebaran"
Kai Engel, "Endless Story About Sun and Moon"
AJ Prasad, "Aether"
Dan McLeod, "Mysterious Universe"
Sergey Cheremisinov, "White Atlantis"
Lombus, "Doppler Shores"

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Our planet is so enormous that it can often appear flat to those living on it, as time went on and we determined it was a sphere, many still chose to assume it was a flat disc. While this notion is outdated, it is possible to construct an artificial planet as a discworld, and such worldbuilding shapes may have some advantages over a sphere. In this episode we will examine a number of Flat Earth models and some variations on the theme, and see what advantages and disadvantages they have, along with the challenges in constructing them.

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Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version:
https://soundcloud.com/isaac-arthur-1...
Episode's Narration-only version: https://soundcloud.com/isaac-arthur-1...

Credits:
Megastructures: Flat Earths
Episode 162, Season 4 E48

Writers
Isaac Arthur

Editors:
Daniel McNamara
Darius Said
Keith Blockus
Matthew Acker

Producer:
Isaac Arthur

Cover Artist:
Jakub Grygier https://www.artstation.com/jakub_grygier

Graphics Team:
Bryan Versteeg http://spacehabs.com
Jarred Eagley
Jeremy Jozwik https://www.artstation.com/zeuxis_of_...
Justin Dixon
Katie Byrne
Ken York of YD Visual https://www.facebook.com/YDVisual/
Mike Munt of Apogii http://www.apogii.uk
Sergio Botero https://www.artstation.com/sboterod?f...

Narrator:
Isaac Arthur

Music Manager:
Luca DeRosa - lucaderosa2@live.com

Music:
Markus Junnikkala, "We Roam the Stars" https://www.markusjunnikkala.com/
Dracovallis, "Black Sacrifice" https://dracovallis.bandcamp.com/
Chris Zabriskie, "The Temperature of the Air on the Bow of the Kaleetan" http://chriszabriskie.com
Kai Engel, "February" https://www.kai-engel.com/
Serena Elis, "Science" https://soundcloud.com/serenaelis

In the 7th episode of the Megastructures series we look at Hoop Worlds, a type of artificial planet with some surprising properties.

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Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-1...

Anders Sandberg's in-depth analysis of Torus-Shaped Planets:
http://www.aleph.se/andart/archives/2...

Today we look at using Space Towers, Buoyant Structures, Airships, and Space Fountains as means of launching spaceships, as well as their other applications to create enormous structures that normal materials could never permit.

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Join the Facebook Group: https://www.facebook.com/groups/15839...
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Visit the sub-reddit: https://www.reddit.com/r/IsaacArthur/
Listen or Download the audio of this episode from Soundcloud: https://soundcloud.com/isaac-arthur-1...
Cover Art by Jakub Grygier: https://www.artstation.com/artist/jak...

Graphics Team:
Jarred Eagley
Katie Byrne
Misho Yordanov
Murat Mamkegh
Sergio Botero
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Music:
Sergey Cheremisinov, "Sirius"
Kai Engel, "Endless Story about Sun and Moon"
Koalips, "Kvazar"
Markus Junnikkala, "A Memory of Earth"
Dan McLeod, NeptuneUK, "Mysterious Universe"

Welcome to Science & Futurism with Isaac Arthur! This brief video will introduce you to the channel and the types of topics we cover. Subscribe today, and thanks for watching!

In Episode 10 we explore the Matrioshka Brain, a nested Layer type of Dyson Sphere designed to turn stars in to giant computers, and conclude our look at Dyson Spheres and other types of Stellar Engines.

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Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-1...

Support the Channel on Patreon:
https://www.patreon.com/user?ty=h&u=3...

Original Paper on Matrioshka Brains by RJ Bradbury:
https://www.gwern.net/docs/1999-bradb...

More art by Jakub Grygier:
https://www.artstation.com/artist/jak...

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Many believe humanity's future lies among the stars, colonizing distant planets around alien suns, or perhaps building artificial worlds, space habitats, and megastructures. But what if instead of traveling to worlds far away in outer space we create virtual worlds to live in instead, colonizing inner space? We will explore this possibility of simulated universes and what it might mean for humanity, and also ask if this might be a solution to the Fermi Paradox, the strange absence of other life in our own universe.

Visit our Website: http://www.isaacarthur.net
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Facebook Group: https://www.facebook.com/groups/15839...
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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
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Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-1...
Episode's Narration-only version: https://soundcloud.com/isaac-arthur-1...

Credits:
The Fermi Paradox & Virtual Worlds: Colonizing Inner Space
Episode 167, Season 5 E01

Written by:
Isaac Arthur

Editors:
Alex Chamak
A.T. Long
Cooper de Ruiter
D. Hemanshi
Darius Said
Edward Nardella
Evan Schultheis
Keith Blockus
Mark Warburton
Matthew Acker
Safia Postgate
Stuart Graham https://beyondnerva.wordpress.com
Sigmund Kopperud
Matthew Campbell

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

Graphics by:
Bryan Versteeg http://spacehabs.com
Fishy Tree https://www.deviantart.com/fishytree/
Jarred Eagley
Jeremy Jozwik https://www.artstation.com/zeuxis_of_...
Mihail Yordanov
Sergio Botero https://www.artstation.com/sboterod?f...

Produced & Narrated by:
Isaac Arthur

Audio Editor:
Eric Schneider

Music Manager:
Luca DeRosa - lucaderosa2@live.com

Music:
Markus Junnikkala, "Always Tell Me The Odds" https://www.markusjunnikkala.com/
Paradox Interactive, Andreas Waldetoft, "Pillars of Creation" https://www.paradoxplaza.com
Marcus Warner, "The First Few Waves" https://marcuswarnermusic.bandcamp.com
Stellardrone, "Crystal Spheres" https://stellardrone.bandcamp.com
Sergey Cheremisinov, "Dont Lie To Inner Child" https://www.s-cheremisinov.com
Paradox Interactive, Andreas Waldetoft, "Faster Than Light" https://www.paradoxplaza.com
Dracovallis, "Elven City" https://dracovallis.bandcamp.com/

This video takes an in depth look at Orbital Rings and Space Elevators and is the first installment of a reboot of the original Megastructures video.

Support the Channel on Patreon:
https://www.patreon.com/IsaacArthur

Audio-only version available at:
https://soundcloud.com/isaac-arthur-1...

Orbital Rings by Paul Birch
http://www.orionsarm.com/fm_store/Orb...

Episode 3 is our final look at Megastructures designed to help carry cargo and people into space at far lower prices than we currently pay. Main focus is on the Lofstrom Launch Loop, StarTram Mass Driver designs, and the Space Fountain. Comments & questions welcome below.

Support the Channel on Patreon:
https://www.patreon.com/IsaacArthur

Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-1...

StarTram's website & proposals:
http://www.startram.com

Launch Loop Paper:
http://slides.launchloop.com//launchl...

We return to the Megastructures series to examine the the concept of a Dyson Sphere, a means of enclosing a star to gather all of it energy. We will look at myths and misconceptions about Dyson Spheres, as well as a number of additional purposes they can be put to, from allowing interstellar travel to generating black holes or running computers large enough to simulate whole Universes.

Visit our Website: http://www.isaacarthur.net
Join the Facebook Group: https://www.facebook.com/groups/15839...
Support the Channel on Patreon: https://www.patreon.com/IsaacArthur
Visit the sub-reddit: https://www.reddit.com/r/IsaacArthur/
Listen or Download the audio of this episode from Soundcloud: https://soundcloud.com/isaac-arthur-1...
Cover Art by Jakub Grygier: https://www.artstation.com/artist/jak...

Graphics Team:
Jarred Eagley
Justin Dixon
Katie Byrne
Misho Yordanov
Murat Mamkegh
Pierre Demet
Sergio Botero
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Music:

Markus Junnikkala,"We Roam the Stars"
Lombus, "Amino"
Markus Junnikkala, "A Memory of Earth"
AJ Prasad, "Staring Through"
Dan McLeod, NeptuneUK, "Mysterious Universe"

To see deeper into space, we will need much bigger telescopes.
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As astronomy seeks to find and study distant planets and peer further and more accurately into space and time, the limitations of ground based telescopes, especially optical telescopes, represents our largest barrier. Today we will examine what those limitations are, and ways to make vastly more enormous telescopes and arrays.

Visit our Website: http://www.isaacarthur.net
Support us on Patreon: https://www.patreon.com/IsaacArthur
SFIA Merchandise available: https://www.signil.com/sfia

Social Media:
Facebook Group: https://www.facebook.com/groups/15839...
Reddit: https://www.reddit.com/r/IsaacArthur/
Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.
SFIA Discord Server: https://discord.gg/v5UKTsz

Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version:
https://soundcloud.com/isaac-arthur-1...
Episode's Narration-only version: https://soundcloud.com/isaac-arthur-1...

Credits:
Megatelescopes
Season 4, Episode 19

Writers:
Isaac Arthur
Mark Warburton

Editors:
Darius Said
Jerry Guern
Keith Blockus
Producer:
Isaac Arthur

Cover Artist:
Jakub Grygier https://www.artstation.com/artist/jak...

Graphics Team:
Jarred Eagley
Jeremy Jozwik
Justin Dixon
Katie Byrne
Luca DeRosa
Mihail Yordanov
Sam McNamara (Rapid Thrash)
Sergio Botero https://www.artstation.com/sboterod?f...

Narrator:
Isaac Arthur

Music Manager:
Luca De Rosa lucaderosa2@live.com

Music:
Stellardrone, "Billions And Billions" https://stellardrone.bandcamp.com
Aerium, “Waters of Atlantis" https://www.youtube.com/channel/UCRnU...
Lombus, “Time Slip" https://soundcloud.com/lombusmusic
Markus Junnikkala, "A Memory Of Earth" https://www.markusjunnikkala.com/
Stellardrone, "Light Years" https://stellardrone.bandcamp.com

A look at Discworlds, Flat Earths, and Alderson Discs in terms of how they'd function and how they might be built.

Support the Channel on Patreon:
https://www.patreon.com/IsaacArthur

Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-1...

The second installment of the series looks at the Skyhook, a type of abridged Space Elevator that allows spacecraft to hook up and get into orbit at much lower launch speeds.

Note: This episode has been replaced, watch the new version here:
https://www.youtube.com/watch?v=TlpFz...

Support the Channel on Patreon:
https://www.patreon.com/IsaacArthur

Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-1...

NASA HASTOL study on skyhooks in conjunction with Hypersonic aircraft:
http://www.niac.usra.edu/files/librar...

In this fourth installment of the series we take a lengthy look at Rotating Habitats, large space stations that simulate gravity via spin and can replicate Earth-like environments.

Support the Channel on Patreon:
https://www.patreon.com/IsaacArthur

Listen or Download the audio of this episode from Soundcloud:
https://soundcloud.com/isaac-arthur-1...