Elon Musk
Elon Musk.
  • Elon Musk mentioned wizards, flip phones, horses, and rust balls during Tesla's investor day.
  • The EV maker's CEO weighed in on AI's potential, scaling issues, and the power of the human mind.
  • There's essentially infinite demand for Tesla cars, but affordability is limiting sales, Musk said.

Elon Musk touched on everything from wizards and horses to flip phones and rust balls during Tesla's investor day on Wednesday.

The electric-vehicle company's CEO also cracked a joke about charging, and discussed the limits and dangers of artificial intelligence, the inner workings of the human brain, and the headaches of scaling car production.