Wednesday, July 24, 2019

Binocular Highlights (Book Review)

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Binoculars are easy to carry. The images in the very wide field of view are correct vertically and horizontally. Without a tripod (or monop...
Saturday, July 13, 2019

STEVEN WEINBERG ON GRAVITY WAVES

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On Friday night, July 12, Nobel laureate Steven Weinberg was the guest speaker at the monthly Austin Astronomy Club meeting. His topic was...
Sunday, June 30, 2019

Birth of a Theorem by Cédric Villani

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I gave up after 30 pages. The difficult mathematics was the largest but not the only barrier.    Birth of a Theorem: A Mathematical Adv...
Thursday, June 27, 2019

A Simple Truth

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A picture is worth a thousand words, so I will not say much. I just thought that it is interesting that when something is true, it can be de...
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Monday, June 24, 2019

Number Theory as an Adventure

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Number theory can be taught to children. It all begins with integers. First year algebra (at least) is required to prove these conjectures....
Thursday, May 30, 2019

General Henri Guisan and Swiss Neutrality

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Switzerland was surrounded and divided. Germany had annexed Austria. Italy was Germany’s ally. France had fallen. Denmark, Norway, Yugoslav...
Tuesday, May 28, 2019

At Oryana Co-op I Took my Change in Bay Bucks

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Over the weekend of May 18, we were in Traverse City. After shopping on Front Street, we went to Oryana Community Co-op   to buy snacks. We...
Monday, May 27, 2019

Enerdyne and Brain Storm in Suttons Bay

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While visiting family May 17-20, I stopped in at Enerdyne to shop for an optical adapter for my telescope. They were very helpful. They fou...
Saturday, May 25, 2019

The Great Lakes Maritime Academy

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On Friday, May 17, I was granted a tour of the Great Lakes Maritime Academy at Northwestern Michigan College in Traverse City. It was arra...
Sunday, May 12, 2019

Regimental Public Affairs Officer

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On May 4 and-5 May 2019, I attended training for public affairs officers in the Texas Military Department. The training was presented by pu...