Скачать или смотреть An elementary introduction to Special Relativity I | Geometric Linear Algebra B 37 | NJ Wildberger

We give a non-standard introduction to the basic framework of Einstein's Special theory of Relativity (SR), which avoids various assumptions that are usually introduced (often without either explanation or justification). We show that SR is a consequence of simple Newtonian mechanics when we replace the idea of an inertial frame with the idea of an inertial observer.

The discussion is introduced via a one-dimensional Newtonian situation involving bats using echo location to detect events!

Video Chapters
00:00 Introduction
4:46 Challenges in learning special relativity
13:18 SR using only basic algebra and without usual assumptions
17:50 SR is a logical consequence of Newtonian mechanics
21:11 Welcome to (one-dimensional) bat-world!
24:40 Co-ordinates for bat space time: making a clock
28:49 How to measure position
37:07 Measuring velocities

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