The nuclear pulse drive would power a spacecraft with a series of nuclear explosions. Project Orion, led by Freeman Dyson, planned a four-year round trip to the moons of Saturn. After Orion was abandoned, pulse drive has led to several…
The nuclear pulse drive would power a spacecraft with a series of nuclear explosions. Project Orion, led by Freeman Dyson, planned a four-year round trip to the moons of Saturn. After Orion was abandoned, pulse drive has led to several…
In 1930, a young astronomer called Clyde Tombaugh noticed something moving across successive photographs of a starfield, and discovered Pluto. In 2006, 30g of Tombaugh’s ashes were loaded aboard NASA’s New Horizons probe before it blasted off for Pluto. Yesterday,…
Arthur C Clarke wrote his Space Odyssey series between 1948 and 1997. Each sequel updated speculations on exobiology. HAL 9000 is a memorable character and a paradigm for contemporary discussions of artificial intelligence. We have not explored the solar system…
Wernher von Braun designed V-2 rockets for Nazi Germany, Redstone missiles for the US military and the Saturn V for NASA. He was a brilliant engineer and an evangelical Christian who directed a concentration camp. He escaped prosecution for crimes…