In 2021 Jared Isaacman, the man soon to become NASA’s boss, bought a 30-second ad at the Super Bowl. Mr Isaacman—a boyish-looking 42-year-old billionaire, jet pilot...
IN THE LATE 1980s Edward Teller, the father of the hydrogen bomb, and Lowell Wood, an astrophysicist, proposed a seemingly bizarre scheme to defend America against...