Necessary Facts

Observations, reports, and discoveries that are true of necessity because they are perceivable and reasonable, empirical and logical, evidentiary and rational, synthetic and analytic. Truths are objective statements.

Showing posts with label Galileo. Show all posts

Thursday, October 22, 2020

Galileo and Saturn: Epistemology not Optics

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It is commonly claimed that Galileo did not perceive the rings of Saturn because the telescope he was using was not capable of magnifying th...

Saturday, August 8, 2020

Measuring Your Universe: Alan Hirshfeld’s Astronomy Activity Manual

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This guide to hands-on learning instilled me with a sense of confidence about my ability to perform the basic mathematics of astronomy. The ...

Wednesday, July 15, 2020

Astrophotography is a Lot Like Love

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It took five hours over four nights to figure out how to get an image with my new iPhone 11. I gave up trying the smaller telescopes, a 2-3...

Saturday, April 26, 2014

De Magnete by William Gilbert

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Apparently, no one had cut a magnet in half before. Claims were made for the existence of gold magnets. Lodestone was a remedy fo...

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Friday, August 3, 2012

Science in the Middle Ages

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Objectivists value the scientific method as the cornerstone of the engineering achievements of our civilization from structural trusses and...

Monday, July 9, 2012

Great Scientific Experiments

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Thomas Kuhn’s work focused on paradigm shifts. ( Reviewed on Necessary Facts, here. ) To Kuhn, paradigms define the puzzles that “normal s...

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About the Author

Michael E. Marotta: Experienced freelance technical writer always looking for more work. Author of over 300 newspaper, magazine and journal articles on topics of business, technology, and society.

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