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Wind Tunnel
NASA tests aircraft in wind tunnels. Image Credit: NASA
a tunnel area through which air is blown to check how air flows around an object (such as an airplane part or model) placed in the tunnelSentences:
Engineers found a problem when the airplane model was tested in the wind tunnel.
The Wright brothers tested their airplane in a wind tunnel before flying it.
More Information:
http://ksnn.larc.nasa.gov/webtext.cfm?unit=windtunnel →
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