Wave Tank Forms Letters on Standing Water

"The AMOEBA (Advanced Multiple Organized Experimental Basin), a circular tank created by Mitsui Engineering at their Akishima laboratory, is able form letters with standing waves. This remarkable display device consists of fifty water-wave generators surrounding a cylindrical tank 5 feet wide and a foot deep. The wave generators move vertically to produce cylindrical waves. These "pixels" are about 4 inches in diameter and 1.5 inches in height; these form lines and shapes. If Akishima Labs maintains steady progress, it may be possible to achieve alien effects in fountains or other media."
-- Live Science

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