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As four space tourists orbited the north and south poles earlier this month and marvelled at the views of Earth, a group of Canadians celebrated an X-ray image taken aboard the spacecraft using technology developed at the University of Waterloo.“This is the first X-ray ever done in space,” said Amol Karnick, CEO of KA Imaging, a Waterloo-based company that’s commercializing what it calls the world’s first multi-image X-ray detector.“It’s a first for Canadians in space.”