Phantom Sentinel
Encyclopedia
The Phantom Sentinel is an unmanned aerial vehicle
being developed by VeraTech. It is designed to be near-invisible; the rapid rotation of its entire body during flight means that persistence of vision
renders it translucent in the same way as fan blades.
Unmanned aerial vehicle
An unmanned aerial vehicle , also known as a unmanned aircraft system , remotely piloted aircraft or unmanned aircraft, is a machine which functions either by the remote control of a navigator or pilot or autonomously, that is, as a self-directing entity...
being developed by VeraTech. It is designed to be near-invisible; the rapid rotation of its entire body during flight means that persistence of vision
Persistence of vision
Persistence of vision is the phenomenon of the eye by which an afterimage is thought to persist for approximately one twenty-fifth of a second on the retina....
renders it translucent in the same way as fan blades.