Originally Posted by Ringman
For medical use the beginning quantities are irrelevant.
For ALL of the aforementioned discoveries and technologies, the known half-lives of the radioactive isotopes involved were and are absolutely relevant.

Nobody’s “guessing” when it comes to ‘any’ of the aforementioned discoveries and technologies that are used every single day to make peoples lives better in this country.

Every day on this side of the ground is a win.