Russian weapons manufacturer Kalashnikov, maker of the ubiquitous AK-47 assault rifle, has unveiled a tiny drone that’s meant to destroy remote ground targets from a distance of up to 40 miles (64 km) away — by blowing itself up like a suicide bomber. The “high-precision attack unmanned aerial system” dubbed KUB-UAV in a press release, was revealed earlier this month at the International Defence Exhibition & Conference (IDEX). Read more.