Josephine Y.

Recent Posts

Annual revenue at a Starbucks: the power of Fermi approximations

Posted by Josephine Y. on 5/24/21 2:17 PM

What is a Fermi approximation? 

The only thing that physicists like more than dimensional analysis is a good order of magnitude estimation, also known as a Fermi problem or Fermi approximation. A classic is the piano tuner problem: “How many piano tuners are in the city of Chicago?” 

Read More

Tags: physics