Thought for the day

"I am convinced that if we are to get on the right side of the world revolution, we as a nation must undergo a radical revolution of values. We must rapidly begin the shift from a "thing-oriented" society to a "person-oriented" society. When machines and computers, profit motives and property rights are considered more important than people, the giant triplets of racism, materialism and militarism are incapable of being conquered." -- Martin Luther King 

Body

Most mission scientists would wince at the thought of their spacecraft being smashed to smithereens. But for those behind Nasa’s Dart probe, anything short of total destruction will be chalked up as a failure.