*Later I'll post some questions I have about your derivation of the Planck length, but for now here's a philosophical question; Is there any difference between the claim that space is discrete, from the claim or conjecture that we cannot in principle measure a length shorter than the Planck length? * *TIA, AG * -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to email@example.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.