OneTimeIDidThatOnce
OneTimeIDidThatOnce t1_ivvm467 wrote
Reply to Why do neutrons tend to interact more readily with light nuclei rather than heavy ones (i.e., why is water a better neutron shield than lead)? by Calgaris_Rex
The way the navy explains it in nuclear power school is pretty simple. Imagine you want to slow a speeding golf ball down. Shoot it into a room full of bowling balls, in every collision it only loses around 10% of its momentum. Shoot it into a room full of golf balls, in every collision it loses about 50% of its momentum.
OneTimeIDidThatOnce t1_ixfwqxc wrote
Reply to In the Heat of the Short-Term Moment: Evidence that Heightened Sexual Arousal Increases Short-Term Mating Motivation Among Men by i_have_thick_loads
I'm guessing this is like a formal proof in mathematics; it solidifies the foundation of a concept.