Interesting problems from everyday life that can often be answered with elementary mathematics and physics.
I consider these great answers and anecdotes for questions like “When will I ever use this?”.
An auto race I recently attended also ran a 50/50 raffle, which is where a single winner receives 50% of the money collected from ticket sales.
After watching a short documentary on the state and progress of competition speed climbing, with times going ever lower and quotes like “we never though X time was possible, and now were not sure how low times will go” I was ...
An old reference sheet with simple formulae for length, area, volume as well as useful conversions. It’s called Uncle Gimpy’s Intellectifier, and is meant to be folded up and kept in a wallet or purse. This is certainly from a time before internet ...
It is said Freeman Dyson attempted to complete this task at the age of 4 or 5.