dji phantom

A one-minute clip showing an injury from a DJI Phantom 2 drone with stiff carbon fiber propellers. It is a warning about hobby drone safety.

The first of seven parts of RedLetterMedia's long review of Star Wars: The Phantom Menace. It argues that the film's central flaw is its characters and the lack of audience connection.

Additional camera angles of the 1988 Sandia National Laboratories rocket-sled test in which an F-4 Phantom was crashed at about 500 mph into a block of reinforced concrete. The footage shows the aircraft disintegrating against the wall.

A one-minute New Scientist clip showing a Japanese experiment in which drivers on a circular track produce a spontaneous traffic jam that travels backward. It illustrates phantom traffic jams without any obstacle.

CGP Grey explains how traffic jams come from human driving behavior such as tailgating and reaction delays, and how leaving gaps and smoothing speed would reduce congestion. It also touches on self-driving cars.