Portal:Technology/DYK/6

... that the electric flash-lamp, a photographer's light source, was used as an underwater mine detonator fuse?
... that American aircraft designer Clyde Vernon Cessna's most famous inventions included the cantilever wing and the V-shaped tail configuration?
... that Linimo (pictured) in Aichi, Japan, claims to be the world's first commercial automated "Urban Maglev" train, but it has to be shut down when it is too windy?

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