If we had a destructive measurement device that reacted in the exact same way to photon type A vs photon type B, it would be an information-destroying irreversible process. Which would, I believe, require a drastic rewrite of much of physics due to the CPT theorem.
If we had a destructive measurement device that reacted in the exact same way to photon type A vs photon type B, it would be an information-destroying irreversible process. Which would, I believe, require a drastic rewrite of much of physics due to the CPT theorem.