enthralling clause in BusinessWeek about Celldar , a “ passive ” radar system that sort of piggyback on the whole cell web to get over almost any move object anywhere . It work by using complex signal - processing software to interpret how signals from cellular floor Stations of the Cross bounce off of and interact with boats , plane , cars , and maybe even people , and cost substantially less than traditional radio detection and ranging systems .
Read[Thanks , Mike ]
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word from the future tense , turn in to your present .
