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Is It Impossible To Cross The Event Horizon? | Black Hole Firewall Paradox
Season 10
Episode 12
17:25
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PBS Space Time
Dark Forest: Should We Not Contact Aliens?
Season 10
Episode 3
In 1974 we sent the Arecibo radio message towards Messier 13. The message was mostly symbolic; we weren’t really expecting a reply. Yet surely other civilisations out there are doing the same thing. So, why haven’t we heard anything? What if the silence from the stars is a hint that we shouldn’t be so outgoing? What if aliens are deliberately keeping quiet for fear that they might be destroyed?
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15:57
There’s a hard limit to humanity’s expansion in the universe. So, how big can we get?
16:49
Let’s figure out the absolute limit of our future view of the universe!
16:28
Physics is the business of figuring out the structure of the world. So are our brains.
14:28
Nuclei are held together by a quirk of nature, without which there’d be nothing.
16:29
Your motion through the universe is extremely complicated, so let’s figure it out!
17:33
If you believe the Mathematical Universe Hypothesis then yes. And so are you.
15:32
Learn more about the time when the moon didn’t exist, and then hours later suddenly did.
15:19
We explore Supercritical Fluids and how being "in the between" is their superpower.
