Elon Musk brings to life what others consider extremely difficult or even impossible. This is what sets him apart from the vast majority.Tosca, Elon's younger sister, recounted how Elon once described to her the difficulties of landing a rocket. “He’s like, ‘Tosca, it’s like taking a pencil. And there’s an eraser on the one side and I want you to throw it up in the air and I want you to land it on that eraser.’ I was like, ‘You can’t do that.’ But he did it.”