Which detail in the section "Radiation Transfers Heat Through Space" BEST supports the conclusion that the amount of potential energy in a ball at the top of a hill is the same as the amount of kinetic energy in the same ball at its fastest point?

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.