- ... 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
- ... that in 2005, researchers at the Spanish National Research Council wrote the first ten lines of Don Quixote on a few square microns of silicon, using local oxidation nanolithography?
- ... that omnidirectional cameras have a 360-degree field of view and have been used in robotics to solve the simultaneous localization and mapping (SLAM) problem visually?