Tesla introduced ‘Optimus’, a prototype of a humanoid robot
It was revealed at the Tesla office in Palo Alto, California
Work on the experimental test robot had begun this February
A video tweeted by Musk showed Optimus dancing and waving at the crowd
Musk said the humanoid robot can be sold at a price of $20,000 a piece
It is way cheaper than some of Tesla’s cars
The company will take orders in the next three to five years
Musk added that Optimus can make the future awesome
