Hosts Phil Bowermaster and Stephen Gordon resume their discussion from last week about self-driving cars in light of the tragic news about Germanwings flight 9525. 

Statistics show that pilot error has consistently caused between 50% and 60% of all airplane crashes over the decades. Deliberate sabotage accounts for another 3% to 10% annually. Then there's "other human error" accounting for another 6%. Large portions of the process of controlling a commercial aircraft have already been successfully automated. As with  self-driving cars: fully self-flying airplanes could be substantially less than perfect and yet still out-perform humans by a signficant margin. 

Is it time for the switch? How hard (or easy) will it be?

Plus:

50th Anniversary of the First SpacewalkSeeing in ColorThe Man Who Saved a Billion Lives

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