In Brin’s Sundiver, a spaceship is able to get close to a star by dumping heat into huge freaking lasers. It would never occurred to me in 1 million years that

In Brin’s Sundiver, a spaceship is able to get close to a star by dumping heat into huge freaking lasers. It would never occurred to me in 1 million years that if you have an efficient enough power source, this approach appears to work.