High-speed photography, Pentalite stick explosion
Named collection: Harold E. Edgerton Collection
Object type: color slide
Maker: Edgerton, Harold Eugene
Place made: United States
Materials: 35mm film; glass; tape; metal
Measurements: 2" x 2"
High-speed photograph of a square stick of Pentalite exploding, using a camera with a magneto-optic ("Faraday") shutter; in end view, stick radiates shock waves from its flat surfaces (see H. E. Edgerton's STOPPING TIME, p. 142). Taken by High explosive Branch Terminal Ballistic Laboratory Aberdeen Proving Ground MD. (CC)