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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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15:22
Let's explore Quintessence and find out what dark energy really is.
15:00
Today we’re going to try to save reality - or at least realism.
14:31
Is space so deadly that we’re effectively imprisoned in our solar system forever?
14:09
Black holes are very real, but are also a theoretical nightmare.
13:29
Neils Bohr once said “Physics concerns what we can say about Nature."
13:14
It’s possible to stitch together a Frankenstein flip book of galaxy evolution.
14:48
The effect of inhabitable space in the galaxy may be why we haven't seen aliens.
17:26
We work to understand why W boson particle mass is so important.