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Sunlight can be broken into different colors through a prism. The colors are usually called "spectrum" or "rainbow". Water Prism is inspired by this beautiful physical phenomenon.
By a sloping bottom, the regular glass cup is divided into two triangular sections. When the glass cup is filled with water, the top section becomes a water prism allowing sunlight passing through to project a “rainbow” on table.
This design intends to encourage people to find, observe and create the beauty of nature in life.
Beijing University of Technology