I suggest that Doug send Slow his nickel (or vice versa) so they can both be weighed on the same scale! Nickels also vary at the molecular level, to say nothing of their vintage, amount of wear, etc.
To assume the two gentlemen's nickels are identical is an obvious miscarriage of experimental design. Hmmm. . . .
To assume the two gentlemen's nickels are identical is an obvious miscarriage of experimental design. Hmmm. . . .