4 ms·

Old physics joke about using approximations to model a farming problem... "Start with a spherical cow in vacuum, ..."

• twic 7y ago
  thfuran's comment extends the joke by inquiring how a cow might raise its head while being a perfect sphere.
  • zentiggr 7y ago
    Gotcha - 'rearing their ugly heads'... I should slow down and think the thread through every now and then lol