Man will never fly. Wrong. Well, OK, but man will never break the sound barrier. Wrong. You can’t invent a vaccine against smallpox. Against measles. Against polio. Wrong, wrong, wrong... "We shall never be able by any means to study [the stars’] chemical composition," he wrote. Wrong... Now it’s time for another dire prediction: We will never be able to tell if there are planets orbiting around other stars. Wrong... Are there other Earth out there? Never say never. Now what about the science-fictiony idea of traveling faster than light? If we ever expect to visit those planets circling other...