Tiny Flag Salutes Nanotechnology ITHACA, N.Y., March 30 -- In a salute to nanotechnology, Cornell University researchers have etched the world's smallest, full-color American flag on a silicon chip. The flag is part of an elaborate nanofabrication that includes six full-color flags and 15 White Houses, all etched on the chip. NANOWEIGHT: The chip is mouted in this lucite paperweight for presentation to the White House. 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