Sliderule

Diverse Interests

Put Your Mind To Work

Reading the outlet voltage

Too Much Voltage At Your House?

The Voltage at My House (Summary)

Details — the Voltage Last Month

Three generations

Family History

Using DNA for Genealogy

Front panel of Hallicrafters SX-28A receiver

Amateur Radio

Precision Frequency
Measurement

Some old books

Some Books Worth Reading

A Reading List on U.S.
Politics/History/Culture

Welcome!  This is a small grass-roots information website concerning a few diverse subjects that keep me busy   —  some interesting topics in science and technology, and the history and ancient origins of our families. 

There is a more detailed menu below (or at right, depending on your screen).

I hope that you will find something useful and interesting here. 


Entities should not be multiplied unnecessarily.

— William of Occam, c 1320


When you teach to the lowest common denominator, eventually you reach a point where people don't understand what a denominator is.

— Dave Jemison, President of Life in Local, Inc., 2018