Isaac Arthur, who I seem to constantly cover here on CoN, has this video showcasing all kinds of propulusion systems for space ships: from the ones we are using now, to the ones we will be using in a few years, all the way to those that are nothing more than theory.
An in-depth survey of the various technologies for spaceship propulsion, both from those we can expect to see in a few years and those at the edge of theoretical science. We'll break them down to basics and familiarize ourselves with the concepts. Note: I made a rather large math error about the Force per Power the EmDrive exerts at 32:10, initial tentative results for thrust are a good deal higher than I calculated compared to a flashlight.
|"We're going to get out of ISS as quickly as we can."|
|"If it sounds far-fetched to consider earthly extinction scenarios, it shouldn’t."|
|"Because in deep space, no one can point you to a hardware store."|
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|“[T]here has never been this kind of financial incentive to make shorter songs.”|
|“There’s now a very large dataset of carefully curated photos of people from roughly 10 years ago and now.”|
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|“A short cut through spacetime allowing for travel over cosmic scale distances in a short period.”|
|“If you fell asleep in 1945 and woke up in 2018 you would not recognize the world around you.”|
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|“Huge privacy violations have become commonplace.”|
|“The very fact that apps – like a period tracker or an LED flashlight [app] – share data with Facebook will come as a surprise to many people.”|