Are you a fan of computers? When Elon Musk was growing up, he taught himself computer programming so he could design his own games. As an adult, he set out to design much more complex tech inventions.
Musk started his first tech company when he was twenty-four and quickly made a fortune. Then he moved on to bigger projects. He started a company called SpaceX to build reusable rockets--and possibly pave the way for a human settlement on...