Magnetic Monopoles & Magmatter – The Strongest Material That Might Exist
Latest Videos
The Fermi Paradox – Did a Natural Nuclear Reactor Spark All Life?
Could the origins of life on Earth trace back to a natural nuclear reactor? Long before humanity split the atom, nature itself may have done it first. In this episode, we explore the astonishing possibility that self-sustaining fission...
The Forgotten Rings of Earth and Moon
Discover the incredible story of Earth’s and the Moon’s forgotten rings. Did Earth once have rings like Saturn? Explore the forgotten natural rings that may have circled Earth and the Moon — born from ancient impacts, shattered moons, and cosmic...
Solar Flares & Coronal Mass Ejections – Defending Earth from Our Own Star
Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to weather the Sun’s worst days. Watch my exclusive video The Fermi...
Is the Moon Rusting?
The Moon has no air and almost no water — so why is it rusting? The answer may lie in oxygen leaking from Earth’s atmosphere, carried across space by solar wind and Earth’s magnetotail. Join this channel to get access to perks:...
After Mars – 8 Candidates For Where Humanity Should Go Next
Mars may be humanity’s next great home—but it’s not the finish line. From floating cities above Venus to mining Mercury and the Asteroid Belt, to building bases on the Jovian moons and Titan, we explore which destinations might follow Mars and how...
New Dwarf Planet Discovered… A Minor Planet With a Major Future?
The discovery of 2017 OF201 reminds us that even small worlds can hold vast potential — not just as frozen orbs, but as stepping stones for interstellar civilization. Visit our Website: http://www.isaacarthur.net Join Nebula:...
Exploring The Multiverse: Infinite Realities, One Grand Mystery
The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality. Support us on Patreon: https://www.patreon.com/IsaacArthur Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur Facebook...
Orbital Foundries & Zero G Manufacturing – Building in Space
Gravity has always shackled industry, but orbit frees us to build in ways Earth never allowed. This episode explores the rise of orbital foundries and the industries they unlock. Support us on Patreon: https://www.patreon.com/IsaacArthur Support us...
Space Factories Are Here… Better Chips Than Earth?
Semiconductors built in orbit are already outperforming Earth-made chips. Space Forge and United Semiconductors just proved zero-gravity manufacturing could change computing forever. Join this channel to get access to perks:...