Tag Archives: x-ray

X-rays for gold

China and Australia are the world’s two largest producers of gold. So, it’s fitting that a device combining Australian and Chinese research, and capabilities in high-tech manufacturing, is set to shake up the industry.

Ore processors need to know how much gold is in their raw material to get the most out of it. The current industry standard for testing ore is the fire assay, an elaborate and time-consuming process that requires temperatures over 1000 degrees and toxic chemicals such as lead. It also takes at least 8 hours to complete.

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Putting off joint replacement

Advanced medical imaging has allowed Tasmanian scientists to trial new therapies for osteoarthritis and to potentially delay the need for joint-replacement surgery.

Photo: Hip replacement surgery may not be needed with Graeme Jones’s new therapy for osteoarthritis. Credit: NIADDK, 9AO4 (Connie Raab-contact); NIH

Graeme Jones and his team from the Menzies Research Institute used dual-energy X-ray absorptiometry to see what was happening to a joint’s internal structure as osteoarthritis developed, allowing them to spot changes long before a conventional X-ray could.

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