iCandy: Bridges, Beams, and Bots in Bands

France’s vertical lift bridge, Nicaraguans bridging the laptop divide, and a true heavy metal band

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iCandy: Bridges, Beams, and Bots in Bands
Photo: Ivan Alvarado/Reuters

Photo: Jean-Francois Monier/AFP/Getty Images
Japanese engineer Yasushi Matoba shows off the AquaTop Display, a projection system that uses water as a screen, at the Laval Virtual conference in Laval, France, in March. Matoba and his collaborators at the University of Electro-Communications, in Tokyo, have taken the term user interface to a whole new level with the system, which projects images on the surface of the water and detects inputs coming from the water’s surface as well as above and beneath it. By resting a hand on the surface of the water, a user can become one with onscreen objects.

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