What is “gravitic propulsion” and could the US government hide it?

Learn science whenever and wherever with Brilliant! First 30 days are free and 20% off the annual premium subscription when you use our link ➜ https://brilliant.org/sabine. The Cybertruck bomber’s mention of a “gravitic device” ignited rumours that the U.S. government might be trying to hide developments in physics, similar to what it did when the country was developing the nuclear bomb. Would that even be possible? Here’s what I think. 🤓 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 #conspiracy