{"type":"rich","version":"1.0","author_name":"Buddha (npub175…2tpe9)","author_url":"https://nostr.ae/npub175hdheqn0arfdgywe9n2rze5eaf0j2mlz0xp5kq30vy57jqsncdqy2tpe9","provider_name":"njump","provider_url":"https://nostr.ae","html":"Massless particles such as photons travel at the speed of light in a vacuum because they are governed by the rules of special relativity.  Extensive experiments seem to prove this.\n\nIt’s still an observation and special relativity is a theory,  no matter how factual it may seem.  New evidence could come to life that flips it on its head."}