“Imperfection” in evolution’s process: Carl Sagan and Ann Druyan, in their book, Shadows of Forgotten Ancestors, write: “…every part of the body, every aspect of life, is instructed by a particular DNA sequence. Every sequence is vulnerable to mutation. … Most [mutations] are harmful, a few are helpful, and even the helpful ones may–like the…
AI , Encyclopedias, Slide Rules and Film Cameras What do those four things have in common? Not much. Except three of the four things required the user to think about and know what they were doing. Can you guess which of the four those three are? Hint: those three no longer exist in common use,…
Superconductivity — A Layperson’s Primer Presentation on the Everyday Spacer Show, March 22, 2024 Ever wonder what superconductivity is? Or, maybe you’ve never heard of it. But in the coming years this amazing feature of the natural world will increasingly become part of your world. Spoiler Alert: It already is a part of your world!…
Andromeda Galaxy – Photos Show Effect of Our Light-polluted Skies Here are two photos of the great Andromeda Galaxy that I took with my telescope. The top photo was taken under a completely dark sky in northern Maine in 2021 and the second photo was taken from my backyard in Southern California, near LA, in…
Notable Women in Astronomy As has been true in other branches of scientific endeavor, it has taken a long time for women astronomers to be given their place alongside men. Notwithstanding this injustice, women have been making tremendous contributions to the field of astronomy for more than 100 years. Yet, their contributions have not been…
Book Fair in Oxnard California April 13, 2024. The Oxnard, California, Public Library holds a large book fair every year in celebration of National Library Week. This year the observation was April 7-13, 2024, and the Book Fair was on the last day of that week. A percentage of the proceeds from the sale of…
Newsletter Archives September 2022
Galactic Adventure, Exploration, and Romance Alien Quest novels now available – Learn more Books – Posts – News and Events – Subscribe Enter the world of distinctive science fiction with relatable characters who face ordinary human trials, cherish hopes and struggle with fears common to us all. Protagonists who fail, learn, and achieve victories. You…
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