And if you look back before fission, modern physics has a pretty well documented history. You can generally start at Maxwell, move forward to the guys who were trying to rectify the predicted speed of light vs observed speed of light, quantum physics, etc. I spent half a year getting real deep into it but you could probably teach the gist of pre-1945 nuclear physics in an afternoon
Amending the constitution would take 38 states to get on board IIRC and is not a quick process anyway. The republicans do not control 38 state governments.