Here are some things that were, at some point, long considered to be physically impossible: -Deep sea exploration -DNA sequencing and cloning -Flight -Long-

Here are some things that were, at some point, long considered to be physically impossible: -Deep sea exploration -DNA sequencing and cloning -Flight -Long-range electric power -Microbes -Organ transplants -Solar panels I understand the enormity of the proposition of things such as FTL travel. But just saying "it doesn't have a fit within our current framework of understanding, so it's impossible and a moot point" seems a little...conceited, given all the historical precedents of exactly the opposite becoming true, eventually, given enough public interest.