French entomologist Antoine Magnan wrote that bumblebees "should not be able to fly," as their small wings should theoretically not be able to produce enough lift. It took modern high-speed camera ...

DJI suggests that builders attach it to a 1-inch drone because of its low weight, thus creating the world's smallest 4K FPV drone, potentially with a range of 10km (6.2 miles). The Pro dual ...