Is Dark Energy made of Black Holes?

Try out my quantum mechanics course (and many others on math and science) on Brilliant using the link https://brilliant.org/sabine. You can get started for free, and the first 200 will get 20% off the annual premium subscription. Today we’ll talk about whether dark energy is made of black holes, four types of solar systems, exoboots, whether banning short-haul flights makes sense, 3D printing with sound, smart contact lenses, how copper makes fuel, a new method to extract carbon dioxide from seawater, and of course the telephone will ring. 👉 Transcript and References on Patreon ➜   / sabine   💌 Sign up for my weekly science newsletter. It's free! ➜ https://sabinehossenfelder.com/newsle... 📖 Check out my new book "Existential Physics" ➜ http://existentialphysics.com/ 🔗 Join this channel to get access to perks ➜    / @sabinehossenfelder   00:00 Intro 00:29 Dark Energy = Black Holes? 05:53 4 Types of Solar Systems 07:23 Better Balance with Exoboots 09:04 Does Banning Short-haul Flights Make Sense? 11:45 3D Printing With Sound 14:08 Simple Smart Contact Lenses 15:40 How Copper Makes Fuel 17:30 A New Method to Extract Carbon Dioxide from Seawater 20:05 Learn Science With Brilliant #sciencenews #science #technews