Lesson #2710 - Scientific Detour

THIS IS NOT WHAT WAS PROMISED

ANYWAY

BACK TO SOME MORE DERIVATION

(in truth it's like exercising before you run the big race, the excitement is the race but you've got to put in the work to get there; on the other hand, it's also more like people showing you how great the race is, you signing up to run and then suddenly being led over to a treadmill as you approach the starting line)