National Air and Space Museum Dulles
Notes on visit to National Air and Space Museum at Dulles
Category: Science
How I see daily life is heavily influenced by my scientific background. My knowledge is provisional which means in social and political discourse I use working hypotheses.
In the Year 2525
The cicadas last appeared in 2004 and return every 17 years. Halley's Comet last appeared in 1986 and returns every 76 years. In what year must man be alive to hear the cicadas and see…
Coming Climate Crisis?
Coming Climate Crisis? by Claire Parkinson. Subtitle – Consider the Past, Beware the Big Fix It’s nice to read a reasoned, solid reflection of the history of Earth’s climate and the present concerns about climate…