Keywords: Rapatronic Picture 009.jpg Rapatronic camera is a high-speed camera with an exposure time as brief as 10 nanoseconds It was developed by Harold Edgerton in the 1940s This image is part of a sequence of photographs taken within milliseconds of ignition of an nuclear explosive s 1950 http //www atomcentral com/rapatronic-photography aspx Rapatronic Sequence 1 photograph 2 Federal Government of the United States PD-USGov Uploaded with UploadWizard Photos taken with Rapatronic cameras Uncategorized 2015 March 27 |