Technologies like camera traps and drones have made monitoring wildlife in forests easier than ever. However, a new study has found that in a protected area in northern India, these devices also end ...
A robot hummingbird is the military's latest flying spy machine, with a camera affixed to a featherweight 6.5-inch body that flies by flapping its wings. The "Nano Hummingbird" can fly just 11 miles ...
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