Buddha on Nostr: Massless particles such as photons travel at the speed of light in a vacuum because ...

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.

It’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.