Physics

  1. Health & Medicine

    Six foot social-distancing will not always be enough for COVID-19

    To avoid COVID-19, keeping a 6-foot social distance is a good rule of thumb. But for plenty of instances, that might not be nearly far enough.

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  2. Chemistry

    Batteries should not burst into flames

    Because lithium-ion batteries power modern life, they need to store a lot of energy. Now scientists are focusing on making them safer.

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  3. Math

    Lack of diversity in his field has troubled this mathematician

    As a kid, Edray Goins didn’t like math. But he fell in love with the subject in college and is now training the next generation of minority mathematicians.

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  4. Physics

    Scientists Say: Photon

    This word describes light as a particle. A photon is the tiniest possible bit of electromagnetic radiation.

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  5. Health & Medicine

    New ultrasound treatment kills off cancer cells

    Low-frequency ultrasound destroys cancer cells while leaving most healthy cells intact.

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  6. Materials Science

    Silk can be molded into strong medical implants

    Freeze-dried and powdered silk has a long shelf life. It also is cheap to ship and can be molded into sturdy medical implants.

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  7. Physics

    Try This: Walking on water with science

    Water striders walk on water. How do they do it? They spread out. This experiment will show you how it works.

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  8. Physics

    Soap bubbles’ ‘pop’ reveals the physics of the bursts

    A bubble’s pop is a quiet, high-pitched noise. This can reveal the forces that occur during the bubble’s demise.

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  9. Chemistry

    Converting trash to valuable graphene in a flash

    Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.

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  10. Physics

    Explainer: Understanding waves and wavelengths

    A wave is a disturbance that moves energy from one place to another. Only energy — not matter — is transferred as a wave moves.

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  11. Physics

    There’s science to making great fried rice

    Scientists report finding the physics that seems to explain how chefs can quickly fry rice over a hot flame without burning the food.

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  12. Animals

    Analyze This: Shimmering colors may help beetles hide

    Delve into data showing how brilliant colors that shift as a viewer — or predator — moves may help iridescent insects blend in.

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