Relativity

Physics and the laws of relativity: in parent-child relationship sound waves reach the subject after 25 years. 








by Uki D. Lucas on Tuesday, June 10, 2025
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apt quotation..

“A man should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.”  by Robert A. Heinlein (author, aeronautical engineer, and naval officer)