[Dangan] Free Association: Part One. Day 6: "Graduation Day"

[Florien]

[10]: Why yes, there are things left unsolved. You haven't yet figured out how to unify general relativity with quantum chromodynamics nor electroweak theory. How ice skates work remains elusive, the reason behind bicycles not wobbling and falling over while moving is an enigma, and how those bulbous tops flip over when you spin them doesn't have a good explanation. World hunger remains too. Lots of unsolved mysteries out there.