Calculus Made Easy is a book on calculus originally published in 1910 by Silvanus P. Thompson, considered a classic and elegant introduction to the subject.
There are so many interesting sites I have never heard about.
Calculus Made Easy
MyNoise
NY Public Library Archive of Historical Images
The Up-Goer Five Text Editor
Can you explain a hard idea using only the ten hundred most used words? It’s not very easy. Type in the box to try it out.
Maps
Hummingbirds
An lone restoration of a vintage catalog of hummingbirds from Open Culture.
Breaker Box
This cartoon reminds me of our previous house.
Blogroll
A concept from an older, better time: https://blogroll.org/.
Slow Cooker General Tso Chicken | The Recipe Critic
Source: Slow Cooker General Tso Chicken | The Recipe Critic This recipe turned out very well when we made it.
The Last Whole Earth Catalog
I still have a copy of this gathering dust on my bookshelf. The website has high resolution photographs of the pages.