Check out courses on your favorite topics on Brilliant! Get your first 30 days free as well as 20% off an annual premium subscription when you use my link ➜ https://brilliant.org/sabine.

Correction to what I say at 1:42 -- it happens at the speed of light, not faster than light, sorry about that. No idea what I was thinking.

What is empty space? In this video I summarize what physics tells us about this. What really are virtual particles? What do they have to do with the vacuum energy and can we extract this energy?

This video comes with a quiz which you can take here: https://quizwithit.com/start_thequiz/1749634167478x263583063186341900

🤓 Check out my new quiz app ➜ http://quizwithit.com/ 💌 Support me on Donorbox ➜ https://donorbox.org/swtg 📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 👉 Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsletter/ 👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC 🔗 Join this channel to get access to perks ➜ https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join 🖼️ On instagram ➜ https://www.instagram.com/sciencewtg/

#science #physics #space