Radiation boost for artificial joints


A blast of gamma radiation could toughen up plastic prosthetic joints to make them strong enough to last for years, according to researchers in China writing in the current issue of the International Journal of…

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A whole new light on graphene metamaterials


Long-wavelength terahertz light is invisible — it’s at the farthest end of the far infrared — but it’s useful for everything from detecting explosives at the airport to designing drugs to diagnosing skin cancer. Now,…

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