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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The brittleness of aging bones — more than a loss of bone mass


It is a well-established fact that as we grow older, our bones become more brittle and prone to fracturing. It is also well established that loss of mass is a major reason for older bones…

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