Modern Marvels: Documentary traces the technological race to build satellites. It took the innovation of three men, including a visionary British science fiction writer and a Nazi engineer, and one of the most desperate technological races of all time to create the satellite. Former NASA officials recall the desperate early days of the space race, when America feared that Russian dominance in the heavens would have tragic consequences on the ground. See how satellites evolved into the world's most essential communications tools, and explore the stunning capabilities of modern spy "birds".

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Documentary, History