Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.
Determine the thickness of a piece of paper from your text. Be able to describe how you did it. Ask if you need any tools. Give as precise an answer as possible.
Determine the diameter of a period in the text. Be able to describe how you did it. Ask if you need any tools. Give as precise an answer as possible.
Estimate the mass of air in this room.
The physicist Enrico Fermi came up with this puzzle: How many piano tuners are there in New York City?" What do you need to know (or guess) in order to make a decent estimate?
Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.