Clearly, some creative thinking is badly needed if humans are to have a future beyond Earth. Returning to the Moon may be worthy and attainable, but it fails to capture the public's imagination. What does get people excited is the prospect of a mission to Mars.
“Linguistic sounds, considered as external, physical phenomena have two aspects, the motor and the acoustic.”
“I only ever really take out my guitar when I'm miserable, which isn't necessarily a very good time to do it.”