by Respondeo Books | Jul 11, 2023
Faraday’s galvanometer and modern galvanometers operate on the same principle: the tendency of a magnetic element to align itself in the direction of the surrounding magnetic field. But Faraday’s instrument and modern ones function very differently. Modern...
by Respondeo Books | Jul 11, 2023
Although the topic of my talk is alternating current, I’d like us to begin with a few experiments using direct current. Direct current is what batteries produce, but we shall obtain it from one of our venerable “EFB” power supplies. Download...
by Respondeo Books | Jul 11, 2023
The more I think of this topic, the more appalled I am at my hubris in proposing it. “Really, Mr. Donahue (you might be thinking), “aren’t you just using Kepler’s name to throw out your own rash thoughts into an arena in which you have no business contending?” As for...
by Respondeo Books | Apr 18, 2022
This essay presents two concepts, ‘angular unconformity’ from geology, and ‘assymetrical repetition’ from astronomy, to use in approaching the Book of Esther. Esther, the final book added to the Hebrew Bible, is the only biblical book written...
by Respondeo Books | Sep 2, 2021
This lecture is an examination of key passages in core texts by Descartes (TheMeditations), Kant (The Critique of Pure Reason), and Heidegger (Basic Concepts).Three intellectual sins are defined: desire for certitude (Descartes), enthusiasm (Kant), and authenticity...
by Respondeo Books | Jul 12, 2021
Michael Wolfe’s lecture, Cide Hamete Benengeli, Author of Don Quixote (2016) presents an understanding of Cervantes’ wonderful novel that changes everything. Since its first publication in 1605, Don Quixote has most often been read as an encounter...
