One of the first breakthroughs that allowed supersonic flight was in wind tunnel design. Langley researchers added slots (right) to the 8-Foot High Speed Tunnel left, shown here in 1936, to reduce shock reflection from the walls.
One of the first breakthroughs that allowed supersonic flight was in wind tunnel design. Langley researchers added slots (right) to the 8-Foot High Speed Tunnel left, shown here in 1936, to reduce shock reflection from the walls.
Credits: NASA/Langley Research Center