Physics

  1. Materials Science

    Blue light flexes its chem-building muscle

    Scientists found a new way to build a strong but bendable blend of polymers. The trick? Expose the ingredients to a beam of blue light.

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  2. Chemistry

    Explainer: What are polymers?

    Polymers, whether natural or artificial, are big molecules made by linking up smaller repeating chemical units. The most common “backbones” for polymers are chains of carbon or silicon, each of which can bond to four other atoms.

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  3. Tech

    Scientists Say: Radar

    This is a system used to detect objects large and small. It works by sending out radio waves and waiting for them to bounce back.

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  4. Chemistry

    Specially coated fabric could turn a shirt into a shield

    Specially treated fabrics offer a new kind of defense against chemical attacks. It could protect troops — and people living in war-torn nations where chemical weapons may be used.

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  5. Physics

    Trio wins physics Nobel for detecting gravity waves

    The 2017 Nobel Prize in physics went to three physicists for helping figure out how to search for ripples in spacetime — which launched a new field of astronomy.

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  6. Chemistry

    Why onions make us cry

    Researchers add another piece to the molecular puzzle biochemists have tried to solve for decades — why onions can make our eyes tear up.

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  7. Physics

    Scientists Say: Refraction

    Light or sound may bend as it travels from one medium, such as air, to another, such as water. This bending is called refraction.

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  8. Physics

    The Milky Way galaxy houses 100 million black holes

    Astronomers are estimating the number of black holes in galaxies of all sizes.

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  9. Climate

    Five portraits of Hurricane Irma’s record-breaking fury

    A series of remarkable images capture Hurricane Irma’s power and might — and the lessons they can teach scientists.

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  10. Physics

    Explainer: Quantum is the world of the super small

    The word quantum often gets misused. What does it mean? Think small. Really, really small.

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  11. Physics

    The quantum world is mind-bogglingly weird

    At the smallest scales, particles are ghostly and ill-behaved. No one understands them, but that doesn’t keep scientists from trying.

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  12. Physics

    Disabilities don’t stop these experts in science and tech

    People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.

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