When you think about moving your fingers, neurons (brain cells) in the motor cortex (the brain’s movement control center) ...

With a motor in each frame ... but at higher speeds rotation is noticeably less smooth. Because the drone is symmetrical all around, keeping track of orientation is challenging for a human ...

On paper, the motors from both an electric bicycle and a drone can both take about 500 watts or so of power. Of course, their different applications make them anything but equivalent, as the bike ...