A small detail in Elon Musk's "Master Plan Part 3" made major news in a remote 

area of physics last month at a livestreamed Tesla investor session that went short

on new cars and long on grandiose storylines. Due to supply chain issues and the

toxicity of their production, Colin Campbell, an official in Tesla's powertrain

division, revealed that his team was removing rare-earth magnets from its motors.

substances that were helpfully identified as Rare Earths 1, 2, and 3 in order

On a sunny airfield, with perhaps one of the best soundtracks ever, this is how it all plays out.