US gets serious about drone threat after "Russia's Pearl Harbor" Using Your Credit Card at the Checkout Is Set to Get a Lot ...

Wasps are amazing fliers: they can change direction in an instant, abruptly hover in the air, and then swerve backwards or sideways. The wasp is a mini helicopter with extremely high ...

Abstract: Under the condition of large inertia load, the stability of the servo system is more sensitive to the response speed and more likely to produce overshoot oscillations. In order to realize ...