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Tech Time Machine: 29 March

Prior to this day in history mankind had never seen the first rock from the Sun up close and personal.

Now playing: Watch this: Tech Time Machine: 29 March
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Prior to this day in history mankind had never seen the first rock from the Sun up close and personal.

We talk about that momentous occasion on this episode of Tech Time Machine, as well as the record set today on the Dow Jones Industrial Average.