Physics

  1. Physics

    Europium’s superconductivity demonstrated

    A rare earth metal is the 53rd naturally occurring element to possess the property.

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  2. Physics

    Molecule turns red at breaking point

    Materials made with a color-changing molecule may offer a red signal when under stress.

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  3. Earth

    U.S. radiation dose has doubled

    New analysis finds radiation-based medical procedures have skyrocketed.

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  4. Physics

    Obama pledges 3 percent of GDP for research

    Pledges for big budget increases for research, permanent tax credits for reseach by industry and more were announced today.

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  5. Ecosystems

    Living Physics

    From green leaves to bird brains, biological systems may exploit quantum phenomena.

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  6. Climate

    EPA says greenhouse gases ‘endanger’ health

    Featured blog: New ruling is a likely first step toward federal moves to cut tailpipe emissions of carbon dioxide and more.

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  7. Physics

    Nanoclusters seem to skirt physics law

    In simulations, tiny loophole allows colliding nanoclusters to increase speed after impact.

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  8. Tech

    Cloaked eye still sees

    Researchers have proposed a model that would allow sensors to send and receive information virtually undetected.

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  9. Humans

    In teeth, more cracks are better than one

    Cracks in tooth enamel, called tufts, distribute force and shield a tooth from fracture, researchers report.

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  10. Materials Science

    Double-laser approach makes one thin line

    Erasing and stenciling could refine tiny printing for sculpting nano-sized devices.

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  11. Physics

    Radioactive cigarettes

    Polonium remains an underappreciated factor in the lung-cancer risk posed by cigarettes.

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  12. Chemistry

    Bubbles turn on chemical catalysts

    Mechanical force could help chemical compounds spur reactions when the time is right.

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