Musk ranks among the fourth richest people in the world. What companies are there?

1. SpaceX

On May 3, 22, for the first time in history, a private commercial aerospace company sent astronauts into Earth's space orbit. The rocket that sent NASA astronauts Robert Behnken and Douglas Hurley into space was Musk's spaceX Falcon 9, and the "Dragon" spacecraft carrying astronauts was also from spaceX. This is part of Musk's colonial ambition on Mars.

2. The Boring Company

The ultimate goal of this company is to build a tunnel network in major cities to ease ground traffic. The company argues on its website that the tunnel is a good solution for the city.

3. Neurolink

You can imagine that one day, the brain interface instrument in the movie "The Matrix" will be realized. Musk once claimed that the brain interface can expand people's nervous system like computer hardware.

4. OpenAI

OpenAI is Tesla's autonomous driving system and an extension of the brain link.

5. Tesla

Tesla even surpassed Toyota to become the largest automobile manufacturing company by market value and the fastest growing manufacturing company since the new century; Perhaps Tesla has plans for new super factories in China, Shanghai and Berlin, and its electric vehicles have become star car products all over the world.