A Box of 'Black Magic' to Study Earth from Space

A Box of 'Black Magic' to Study Earth from Space Pasadena CA (JPL) Nov 09, 2016 - Black magic... That's what radiofrequency engineers call the mysterious forces guiding communications over the air. These forces involve complex physics and are difficult enough to master on Earth. They only get more baffling when you're beaming signals into space.Until now, the shape of choice for casting this "magic" has been the parabolic dish. The bigger the antenna dish, the better it is at ... more

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