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EntertainmentThe sensor mounted on the gun head can determine the location of enemy gunfire
According to Popular Mechanics, PEARL is a compact enough mobile system to mount on a gun, helping soldiers quickly determine the location of enemy gunfire.Simplicam - home surveillance camera, with face recognition
ArcSoft has introduced the Simplicam, which integrates motion sensor technology, audio sensor and face recognition.
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Why are there no male queen bees?
The mystery of the 'doomsday' cinema, built in the desert but not a single person has visited for more than 30 years
Mystery of dozens of giant circular structures at the bottom of Lake Michigan
US ship becomes world's largest artificial reef
Wreckage of mysterious missing bomber found after 80 years
Surprised to know the identity of the Russian missile debris 'hunter'
Australia releases chemical composition data of nearly 1 million stars
NASA shuts down plasma device to save spacecraft 20.5 billion kilometers away
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