Science & Futurism with Isaac Arthur

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened in 1977?

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Credits:
The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm?
Written, Produced & Narrated by: Isaac Arthur
Graphics: Ken York & Sergio Botero
Select imagery/video supplied by Getty Images
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened in 1977?

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur
Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/
🌐 Visit our Website: http://www.isaacarthur.net
❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur
⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/
📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/
🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur
💬 SFIA Discord Server: https://discord.gg/53GAShE
Credits:
The Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm?
Written, Produced & Narrated by: Isaac Arthur
Graphics: Ken York & Sergio Botero
Select imagery/video supplied by Getty Images
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Could life thrive without sunlight? Explore dark biospheres on rogue planets, icy moons, and buried oceans, where chemistry, tidal heating, and geothermal energy may sustain alien ecosystems in eternal night.

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Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
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SFIA Discord Server: https://discord.gg/53GAShE
Credits:
Dark Biospheres - Life on Worlds Without Sunlight [Extended Edition]
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Could life thrive without sunlight? Explore dark biospheres on rogue planets, icy moons, and buried oceans, where chemistry, tidal heating, and geothermal energy may sustain alien ecosystems in eternal night.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur
Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection

Visit our Website: http://www.isaacarthur.net
Join Nebula: https://go.nebula.tv/isaacarthur
Support us on Patreon: https://www.patreon.com/IsaacArthur
Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
Facebook Group: https://www.facebook.com/groups/1583992725237264/
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/53GAShE
Credits:
Dark Biospheres - Life on Worlds Without Sunlight [Extended Edition]
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

What really happens when you fall into a black hole? We explore event horizons, spaghettification, what you’d see inside, possible gateways, and why future civilizations might deliberately build around these cosmic engines.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur
Checkout Otusider Aliens and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/
🌐 Visit our Website: http://www.isaacarthur.net
❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur
⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur
👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/
📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/
🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur
💬 SFIA Discord Server: https://discord.gg/53GAShE
Credits:
What Happens Inside a Black Hole?
Written, Produced & Narrated by: Isaac Arthur
Music by Epidemic Sound: http://nebula.tv/epidemic
Stellardrone & Chris Zabriskie
Select imagery/video supplied by Getty Images

Chapters
0:00 Intro
0:13 What a Black Hole Actually Is
10:04 Falling In: What You Actually Experience
18:00 What Might Be Inside… and Why We Can’t Know
22:10 Why You’d Fly Toward a Black Hole
24:51 Why Civilizations Would Build Around Them
27:37 Outside Reality
28:30 Civilizations Beneath the Horizon—and Beyond It
See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.