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Unusually Special Relativity
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Jan 18, 2022
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A delightful quirk of relativity theory
In the topic of special relativity, I wholeheartedly recommend recently published "Unusually Special Relativity| by Andrzej Dragan (https://www.amazon.com/Unusually-Special-Relativity-Andrzej-...). It starts from basic high-school mathematics but covers many paradoxes and puzzles. Some might challenge ordinary students, who know the formula but didn't stretch their minds on "what if" questions. It includes cases where velocity is higher than the speed of light - as there are a few caveats on "nothing can travel faster than light".Also, this "velocity addition for v<<c" is covered in the first chapter.
I read its draft almost 20 years ago (back then, it was a collection of notes in Polish) and didn't find anything remotely close to it in English. Later, I had the pleasure of attending his course.
Also, Andrzej Dragan is a notorious individual, primarily known in photography (https://andrzejdragan.com/). To the point that there are posts on "how to Draganize a picture".