Why Does Space Have Three Dimensions?

Build up your knowledge this year with Brilliant! Start learning for free at https://brilliant.org/sabine/ and get a 30-day free trial plus 20% off a premium subscription, which includes daily unlimited access! Why does space have 3 dimensions? Why not 2? Or 4? Or 7? It’s because physics wouldn’t work properly. Let’s take a look at the major reasons for why physics needs 3 dimensions. 👕T-shirts, mugs, posters and more: ➜ https://sabines-store.dashery.com/ 💌 Support me on Donorbox ➜ https://donorbox.org/swtg 👉 Transcript with links to references on Patreon ➜   / sabine   📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsle... 👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXl... 🔗 Join this channel to get access to perks ➜    / @sabinehossenfelder   📚 Buy my book ➜ https://amzn.to/3HSAWJW #science #physics