4.8 • 739 Ratings
🗓️ 2 May 2019
⏱️ 35 minutes
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0:00.0 | Hello, SFIA audio listeners. In this month's Nebula exclusive, big alien theory, |
0:05.2 | we're asking the reason alien civilizations might be rare is because most aliens are huge. |
0:10.5 | To hear it and every episode early and ad-free, plus hours of bonus content, check out |
0:15.5 | go.nebola.tv slash Isaac Arthur and use my code, Isaac Arthur. |
0:20.2 | This episode is sponsored by Skillshare. |
0:24.0 | Black holes are often portrayed as scary, world-eating monsters, but what if they are actually |
0:29.7 | the batteries that will power our future among the stars? |
0:35.6 | So today we are looking at how we can potentially use black holes in the future, and |
0:40.3 | it's a topic we actually covered early in the channel, but I thought it deserved a second |
0:44.8 | visit and an expansion. |
0:47.4 | Black holes offer a lot of options for any civilization that can master them, and it's too |
0:52.6 | much for one episode, so we'll do a crossover |
0:55.8 | series looking at their implications for some of our other episodes over the next few months. |
1:02.0 | And today we will focus on their use in moving spaceships in our generation ship series. |
1:07.9 | We'll follow that up with an outward bound episode on colonizing black holes, |
1:12.7 | and then a visit to our space warfare series with weaponizing black holes. But we should start |
1:19.3 | by talking about what black holes are and what they are not, and how artificial ones might |
1:24.9 | differ from natural ones, and the various ways we can draw |
1:28.3 | energy from them. Contrary to popular belief in fiction, black holes do not just suck material |
1:35.0 | into them. Indeed, a star that's turned into one has a lot less gravitational force than it |
1:40.2 | used to, and you could normally fly by one far closer than you could fly by a star |
1:45.7 | of the same mass without being harmed in the least bit. |
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