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powerful spy satelliteMailOnline
•Science
Science
80% Informative
Scientists in Beijing have created 'the world's most powerful spy camera' It can pick out facial details from more than 63 miles ( 100km ) away.
Laser-based system could be launched aboard a satellite in the near future.
It uses a system called synthetic aperture lidar (SAL), a remote sensing technology that sends out a pulse of light energy and then records the amount of that energy reflected back.
Alarmingly, the device detected details as small as 0.07 inches ( 1.7mm ) and measured distances to within 0.61 inches ( 15.6mm ) It could also take high resolution images of foreign military satellites.
VR Score
76
Informative language
72
Neutral language
52
Article tone
formal
Language
English
Language complexity
59
Offensive language
not offensive
Hate speech
not hateful
Attention-grabbing headline
not detected
Known propaganda techniques
not detected
Time-value
short-lived
External references
8
Source diversity
6
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