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Mark Gasson had caught a bad bug. Though he was not in pain, he was keenly aware of the infection raging in his left hand, knowing he could put others at risk by simply coming too close

(PhysOrg.com) -- Just when it began to appear that scientists had found a viable way around the problem of the blurring that occurs when using masks to create smaller and smaller silicon wafers for computer chips, a previous study on beam splitting optics showed that the new approach would not work, at least as it has thus far been proposed. A group of researchers explain why in a paper in New Journal of Physics.