The problem of counterfeit money is bringing at least one Japanese firm to its knees. In a new technology to detect counterfeit dollars from North Korea, a Tokyo hi-tech company is zooming bills 400 times and spreading them onto the ground, with experts examining the notes on their knees with magnifying glasses. "The only clues we can get are by finding marks made by the counterfeiters so they can distinguish between the real and the fake notes for themselves," said Yoshihide Matsumura, 56, president of Matsumura Technology Co...more...