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PBS Space Time
Can We Break the Universe?
Season 7
Episode 5
We delve into a couple of the most famous paradoxes of special relativity: the Twin Paradox, The Ladder Paradox (aka the Barn-Pole Paradox), and a paradox suggested by our very own viewers, which asks whether a spaceship could wrap around the universe & destroy itself. We’ll explore these paradoxes and see why, against our intuition, the universe really does work in this seemingly nonsensical way.
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18:19
What if, just before we reach the bottom, we find out that reductionism fails?
19:03
The biggest news in cosmology in recent years is that dark energy may be fading away.
18:50
Does this also explain why there are no aliens?
16:58
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?
14:50
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
16:30
There’s an extremely good chance that Earth once did have a ring system.
17:23
How is it possible to tell if a space rock will one day collide with the Earth?
15:58
Did you know that many of us have up to 4% neanderthal DNA?
16:35
What if the Big Bang was just an endless cycle?
19:39
Why are billions suddenly being pumped into fusion startups?
16:36
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.
14:30
Maybe dark energy doesn't exist?