We take it for granted on earth, but liquid water is in short supply in the rest of the solar system. Travel to unusual places in the search for water (which is actually the search for life), including a moon of Saturn that is shooting it into space.

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How interstellar relays could move data, cargo, and starships between stars using lasers, light sails, and cosmic-scale infrastructure.

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Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

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Credits:
Interstellar Relays – Moving Signals and Spaceships Between the Stars
Written, Produced & Narrated by: Isaac Arthur
Graphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Melänovis, Udo Schroeter
Music Courtesy of Chris Zabriskie & Stellardrone
Select imagery/video supplied by Getty Images

Chapters
0:00 Intro
6:38 How Far Can We Focus Beams?
16:00 Retighten the Beam versus Regenerate the Beam
18:49 Interstellar Bandwidth
20:31 Way Stations
24:27 Nebula
26:27 Deploying the Relays
27:26 Black Hole Relays

Journey back to the beginning of time itself. Witness the first three seconds of creation, when a speck of light appeared from nothing and rapidly expanded into an unfathomable explosion that shaped our universe and humanity’s place in it.

Investigate one of the great scientific paradoxes: the source of Earth’s water. Hear scientists debunk outdated theories, come to terms with baffling new findings, and ponder whether these discoveries point to the existence of life on other planets.

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It’s the worst case scenario imaginable. When your day job involves the oversight of missile silos, nuclear facilities or a military base, the last complication you want to deal with is a close encounter with a UFO. Here’s the bad news: UFOs seem to be seen at these vital sources of power and defense more than anywhere else. Here, an already frightening phenomenon turns positively chilling for the eyewitnesses involved: a mystery colliding with our national security and the well being of our entire species.

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A United Launch Alliance (ULA) Vulcan rocket carrying the USSF-87 mission for the United States Space Force’s Space Systems Command (SSC) lifted off on Feb. 12 at 4:22 a.m. EST from Space Launch Complex-41 at Cape Canaveral Space Force Station.

With NASA’s Dawn mission exploring the asteroid Vesta and dwarf planet Ceres, floating space rocks are a hot topic. Discover what’s new in the sphere of asteroids.

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There is no safe place. Every day, all around the world, in the most ordinary places, regular people are spotting UFOs. A day trip to the beach…a walk in the woods…an after work drink on the back porch…these very common moments become the point of entry for the most inexplicable, otherworldly and terrifying phenomena. Whether they are lights in the sky, multiple objects flying in tandem or craft that travel and maneuver in ways that defy our understanding of physics, lives are changed forever in these moments. These witnesses will never see the night sky the same way, ever again – and neither will viewers.

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Get dazzled as West Texas police recall a spectacular night when a 200-foot-long flying object was spotted in 13 separate locations. Then get to the bottom of a strange assault against a Scottish man that has no earthly explanation.

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