Mathematics
Another Derivation of the Area of a Circle Formula
Take a really, really small line around the circumference, and lay it down horizontally next to the circle.Then take another line of circumference, and lay …
Etymology of “Second” (I.E., One-sixtieth of a Minute)
The interesting etymology of “minute” and “second.” I learned about “second” from Calculus Made Easy by Thompson.The word “second” came from the Latin “secunda pars …
“Calculus Made Easy” by Silvanus P. Thompson
Calculus Made Easy (pub 1910), by Silvanus P. Thompson (1851-1916), has an excellent exposition of calculus. Mr. Thompson makes the ideas simple and intelligible while …
Snared By Contradictions, 2
Silly things said by people who say “math is stupid,” “math is useless,” or “I’ll never use this in life:”1. How much do I weigh?2. …
Snared by Contradictions
Silly things said by people who say “math is stupid,” “math is useless,” or “I’ll never use this in life:”1. What is my heart rate?2. Is my …
A Mathematical Breakfast
I had:2^0 bunch kale2^1 purple potatoes2^2 eggs2^3 strips bacon. Yum. But it was not a sequence, as I did not eat it in that order. I …