National Geographic

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April 23, 2017 April 26, 2017 April 27, 2017 ...

THEY ARE WATCHING YOU 47``````EARTHWATCHINGsystem developed by UC San Diego researchersthat tracks the nearly extinct vaquita po ...

48 NATIONAL GEOGRAPHIC • FEBRUARY 2018deserts of northern Iraq. And thanks to numer-ous space probes, scientists have proof th ...

THEY ARE WATCHING YOU 49``````In the 1960s the U.S. Army Corps of Engineers built more than270 concrete crosses, 60 feet wide, i ...

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THEY ARE WATCHING YOU 51As David Omand, the former director of theGovernment Communications Headquarters—one of the British in ...

Three telescopes ofthe Deimos Sky Survey,based in Spain, watchfor close asteroids andman-made space debristhat could damagesatel ...

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54 NATIONAL GEOGRAPHIC • FEBRUARY 2018POACHERSWATCHINGIn total darkness, a frame from a thermal imaging camera (above) shows r ...

THEY ARE WATCHING YOU 55endpoint of what University of Kansas sociologistWilliam Staples in 2000 called the “state of perma-ne ...

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58 NATIONAL GEOGRAPHIC • FEBRUARY 2018forbidding view of a hyper-industrialized Lon-don in the year 2540, didn’t conceive of ...

THEY ARE WATCHING YOU 59over their keyboards in an open work space, asidefrom a few conference rooms named after someof the comp ...

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ATMOSPHEREThese tiny U.S. Navydrones (basically justaerodynamic circuitboards) were designedto be carried aloft andthen dropped ...

62 NATIONAL GEOGRAPHIC • FEBRUARY 2018In this photograph with a longexposure (right), a U.S. Forest6HUYLFHDLUSODQHEDQNVRYHUDZL ...

THEY ARE WATCHING YOU 63feet is sufficient to discern the grainy outline ofa single truck but not the contours of a human.Resolu ...

64 NATIONAL GEOGRAPHIC • FEBRUARY 2018'XEEHGWKHŢƃIWKODUJHVWintelligence agency,”more than 850,000volunteers—retireesRXWÆ ...