Physics

  1. Materials Science

    Let’s learn about the future of smart clothing

    Researchers are fashioning new materials to make clothes more comfortable and convenient.

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  2. Materials Science

    New cloth cools you when you’re hot, warms you when you’re cold

    Scientists 3-D printed the new fabric, which has even more tricks up its sleeve — such as conducting electricity and resisting radio waves.

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  3. Physics

    Explainer: The fundamental forces

    Four fundamental forces control all interactions between matter, from the smallest subatomic particles to the largest structures in the universe.

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  4. Materials Science

    Engineers borrow a tree’s cellulose to toughen new materials

    Cellulose gives plants their strength. Engineers are turning this renewable, environmentally friendly resource into brand new materials.

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  5. Physics

    Scientists Say: Doppler effect

    The Doppler effect is a perceived change in the frequency of light or sound waves due to the wave source moving relative to an observer.

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  6. Physics

    A new device uses atoms’ quantum weirdness to peer underground

    Quantum sensors like this one could monitor magma beneath volcanoes or uncover archaeological artifacts.

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  7. Materials Science

    A disinfectant made from sawdust knocks out deadly microbes

    It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.

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  8. Chemistry

    New process can transform urban CO2 pollution into a resource

    Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.

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  9. Physics

    Scientists Say: Dark Energy

    Dark energy is the unknown force causing the universe to expand faster and faster.

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  10. Environment

    ‘Mining’ cryptocurrencies pollutes the real world

    Bitcoin and other cryptocurrencies exist only online. Yet the environmental impacts of their networks affect the real world.

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  11. Environment

    How we choose to pay has hidden costs for the planet

    Whether cash or credit, phone apps or digital currencies — all forms of payment have behind-the-scenes costs. And these can vary dramatically.

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  12. Physics

    Explainer: How do mass and weight differ?

    Learn why these terms aren’t the same and which to use where. And should you report your results in kilograms? Pounds? If in doubt, try using newtons.

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