The dishwasher! The perennial optimization problem. Even the chronically untidy have been known to harbor strong opinions on efficient loading technique. But did you know dishwasher manuals actually include photos and illustrations of ideal rack layouts? (Be honest – did you even realize your dishwasher had a manual?)
Turns out left turns are not only riskier, they also waste gas. So UPS – optimization-obsessed logistics company that it is – got rid of them.