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Dark Forest: Should We Not Contact Aliens?

Season 10 Episode 3 | 14m 12s

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?

Aired: 03/13/24
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Today we are jumping into a black hole. Again.
The Moon: humanity’s first destination beyond our atmosphere.
So how did humans figure out the solar system? Eclipses!
Is gravity just an emergent effect of entropy?
Is our 3-D universe is just the inward projection of an infinitely distant boundary?
So what exactly is an EMP, and how dangerous are they?
The terrible singularity at the heart of the black hole may be no more.
We may have solved the mysterious origins of supermassive black holes in our universe.
Does antimatter fall down, or does it fall up?