nostr:npub1adkzdqesvgt6xpqfvgxjd7tms5h8zrdk2527w22t4fzqc4ympmkqra8zzd Physical explanation for people who believe in other dimensions: First, well observed laws like those governing electromagnetism and gravity couldn't be Physical if there were more than 3 spatial and one time dimension. Whole books were published on that. You can't just imagine a new dimension and have laws in these 3 remain the same. Second, Physics is observational science. String theory which proposes many dimensions have zero,zip,zilch observational confirmations, it is metaphysics.