Archaeologists survey PBY-5 sunk during Pearl Harbor attack

Archaeologists from the National Oceanic and Atmospheric Administration (NOAA) and University of Hawaii archaeologists were recently able to conduct a detailed archaeological survey of a U.S. Navy PBY-5 Catalina airplane sunk during the Japanese attack at Pearl Harbor on Dec. 7, 1941.

bow-and-turret
Photo Credit: UH Marine Option Program

[thumb]http://sanctuaries.noaa.gov/shipwrecks/pby-5/[/thumb]

Figuring out the specs of Cold War Soviet airplanes

Bill Sweetman described how he would use graph paper and a Sinclair Cambridge calculator to try figure out the specifications of Soviet warplanes during the Cold War.

FULCRUM Escorting a BACKFIRE by Richard J. Terry, 1986
By Richard J. Terry [Public domain], via Wikimedia Commons

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