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50 Years of Exploration Video

NASA: 50 Years of Exploration

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Laser light show
 
Laser light show - NASA engineers Pete Zell and William Clifton Horne (foreground) prepare a laser light sheet for a flow visualization test, while John Griven stands in the nacelle of Pratt & Whitney’s Advanced Ducted Propulsor demonstrator engine in a 40 x 80 foot wind tunnel.

Laser light show - NASA engineers Pete Zell and William Clifton Horne (foreground) prepare a laser light sheet for a flow visualization test, while John Griven stands in the nacelle of Pratt & Whitney’s Advanced Ducted Propulsor demonstrator engine in a 40 x 80 foot wind tunnel.