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Is 'Perpetual Motion' Possible with Superfluids?

Is 'Perpetual Motion' Possible with Superfluids?

Season 9 Episode 14
16:00
Could We Move Planet Earth Across the Universe?

Could We Move Planet Earth Across the Universe?

Season 9 Episode 15
12:14
What Supernova Distance Would Trigger Mass Extinction?

What Supernova Distance Would Trigger Mass Extinction?

Season 9 Episode 16
15:16
Did AI Prove Our Proton Model Wrong?

Did AI Prove Our Proton Model Wrong?

Season 9 Episode 17
16:24
Does Axionic Dark Matter Bind Galaxies Together?

Does Axionic Dark Matter Bind Galaxies Together?

Season 9 Episode 18
14:39
What If The Speed of Light is Not Constant?

What If The Speed of Light is Not Constant?

Season 9 Episode 19
15:05
Was the Gravitational Wave Background Finally Discovered?!?

Was the Gravitational Wave Background Finally Discovered?!?

Season 9 Episode 20
15:51
Do We Need a New Dark Matter Model?

Do We Need a New Dark Matter Model?

Season 9 Episode 21
16:21
Did JWST Discover Dark Matter Stars?

Did JWST Discover Dark Matter Stars?

Season 9 Episode 22
11:49
What If Space is Not Empty?

What If Space is Not Empty?

Season 9 Episode 23
14:59
What New Science Would We Discover with a Moon Telescope?

What New Science Would We Discover with a Moon Telescope?

Season 9 Episode 24
20:39
Are Room Temperature Superconductors Impossible?

Are Room Temperature Superconductors Impossible?

Season 9 Episode 25
18:00
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PBS Space Time

Could LIGO Find Massive Alien Spaceships?

Season 9 Episode 13

The gravitational wave detector LIGO has made hugely important discoveries. But what else might be hiding in the ripples’ of spacetime? Oh, I know: how about the gravitational wakes caused by planet-sized alien spacecraft accelerating to near light speed.
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