In 1962, NASA engineers didn't just debate physics; they bickered over rocket...

https://bizzmarkblog.com/the-tyranny-of-the-scale-why-mass-is-the-only-metric-that-actually-matters/

In 1962, NASA engineers didn't just debate physics; they bickered over rocket power. Choosing between nuclear and chemical engines was a messy, high-stakes struggle. I’ve dug through the memos to show how these fights actually shaped the Apollo program