Physics

  1. Materials Science

    ‘Smart’ pasta morphs into fun shapes as it cooks

    The trick to this shape-shifting are grooves cut into the raw pasta. Those grooves affect how the noodles swell as they cook.

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  2. Chemistry

    Scientists Say: Bond

    In chemistry, this attachment between atoms forms because of the power of attraction. Chemical bonds make up every solid object on Earth.

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  3. Space

    Stars made of antimatter could lurk in our galaxy

    Fourteen sources of gamma rays in our galaxy look like they could be antistars — celestial bodies made of antimatter.

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  4. Planets

    The pebbled path to planets

    Small pebbles zipping through a sea of gas may give rise to mighty planets.

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  5. Materials Science

    New device gets power from 5G signals grabbed from the air

    A new way to harvest electricity relies on a tiny array of antennas and a lens. Together, they collect and focus 5G signals coming from any direction.

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  6. Chemistry

    Scientists Say: Metal

    Metals are substances that can be elements, alloys or compounds. They all conduct heat and electricity and can be formed into different shapes.

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  7. Physics

    Why big nuts always rise to the top

    X-rays scans of a box of mixed nuts now reveal why large Brazil nuts rise to the top.

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  8. Materials Science

    Copper ‘foam’ could be used as filters for COVID-19 masks

    The lightweight new material could serve as a washable and recyclable, eco-friendly alternative for many current mask filters.

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  9. Space

    Raindrops on alien worlds will obey Earth-like rules

    Their size will be similar no matter what they’re made of or on which planet they fall, a new analysis finds.

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  10. Physics

    Staying grounded in space requires artificial gravity

    On TV, people in space walk around like they’re on Earth. How can science give real astronauts artificial gravity? Spin right round, baby.

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  11. Planets

    Scientists discover likely source of the moon’s faint yellow tail

    These sodium atoms are part of the debris kicked up from the moon’s surface, mostly by micrometeorites, two new studies conclude.

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  12. Physics

    Light levitation might help explore Earth’s ‘ignorosphere’

    A toy called a light mill inspired researchers to invent a new way to fly. They’re using light to levitate small nanotube-coated discs.

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