Rampant sand mining over the decades in India and many parts Asia has led to eroding coastlines and degraded waterways in much of the continent. Christina Larson, a journalist from Kihim, India has looked the severe ecological damage caused by unbridled epidemic of illegal sand mining.
Novel scheme by IIT Bombay researchers to control drones can enable complex formation flying using only camera data, without GPS or inter-drone communication.
Mumbai/