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 teaching science. Show all posts

Sunday, February 23, 2025

GARSEF 2025: The Greater Austin Regional Science and Engineering Fair

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This was my 14 th year, and again on Thursday, I judged senior and junior high school competitors in Behavioral and Social Sciences and the...

Tuesday, April 5, 2022

Astronomy: Two Minor Books for the Backyard

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There’s a lot of books out there for backyard stargazers. Amateur astronomers with some experience tend to recommend a few favorites with lo...

Thursday, January 21, 2021

Baader-Planetarium Micro-Guide Reticle

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This eyepiece can serve any amateur astronomer who wants to make their own measurements of separations and positions of binary stars or the ...

Saturday, August 15, 2020

Driving to the Moon

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My 2005 Honda Civic turned 238,900 miles, the median distance to the Moon. PREVIOUSLY ON NECESSARY FACTS ONE LIGHT SECOND TECHNICAL WRITE...

Friday, December 28, 2018

Problems with Pop Sci from Sky & Telescope (Part 2)

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Monday, December 24, 2018

Problems with Pop Sci from Sky & Telescope

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Last year, I bought myself the Page-a-Day Incredible Cosmos desk calendar from Shop at Sky dot com, the retail arm of the leading magazine ...

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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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