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Invidious > Channel > What If

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YT 9 minutes 31 seconds What If Scientists Discovered the Best Way to Travel the Universe YT 7 minutes 30 seconds What If What If You Could Build the Death Star? YT 4 minutes 11 seconds What If What If We Built an Artificial Planet?

YT 7 minutes 44 seconds What If What If We Could Build an Alderson Disk? YT 3 minutes 3 seconds What If What If We Built a Dyson Sphere Around the Sun? YT 6 minutes 31 seconds What If What If We Could Build a Mega-Computer in Space?

YT 5 minutes 5 seconds What If What If We Built a Stanford Torus? YT 5 minutes What If What If We Built an O'Neill Cylinder? YT 5 minutes 56 seconds What If What If We Could Build a Tipler Cylinder?

YT 4 minutes 9 seconds What If What If We Built A Ringworld In Space? YT 3 minutes 56 seconds What If What If China Created an Artificial Moon? YT 6 minutes 1 second What If What If Earth Was Shaped Like a Donut?

YT 1 hour 33 seconds What If Leaving Earth: Megastructures That Could Save Humanity