HS-PS2-6

Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.

  1. Materials Science

    The future of crystal-based solar energy just got brighter

    Researchers have upped the efficiency of layered solar cells that could be printed or painted onto surfaces. Now they are working to make them more rugged.

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  2. Physics

    Like Magneto? Microcrystals give magnets superpower over living cells

    New iron-rich protein crystals could help researchers better understand the nerve cells that control movement and sensation. All they need are magnets.

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  3. Tech

    Explainer: What is the electric grid?

    Most of us get electricity through a huge system of power lines and equipment that together are known as the electric grid. Here’s how it works.

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  4. Physics

    An ancient plant inspires a new lab tool

    Researchers have designed a lab tool that moves liquids from one place to another by mimicking a plant called a liverwort.

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  5. Chemistry

    Hard-to-burn ‘smart’ wallpaper even triggers alarms

    Scientists have made wallpaper that won’t easily burn. And embedded nanowires can be linked to a sensor to sound an alarm when the paper gets too hot.

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  6. Tech

    This power source is shockingly eel-like

    The electric eel’s powerful electric charge inspired this new squishy, water-based new approach to generating power.

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  7. Tech

    Therapeutic robots may soon swim within the body

    Scientists are designing tiny robots that may one day do work inside the human body.

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  8. Tech

    Teen’s invention could help light up bikes at night

    A teen researcher from Georgia has developed a light that could replace reflectors on bike wheels. Flexing tires provide all the power it needs.

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  9. Physics

    Why your shoelaces untie themselves

    High-speed video shows how the combined motions of a shoe’s swinging and landing on the ground provoke shoelaces to come untied.

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  10. Tech

    Father and son harness magnetic fields for new type of 3-D printing

    A dad and his son have developed a new 3-D printing method in their basement. It harnesses pulsed magnetic fields to build metal objects one tiny aluminum drop at a time.

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  11. Physics

    Explainer: How batteries and capacitors differ

    Both batteries and capacitors can power electronic devices. Each, however, has different properties which may provide benefits — or limitations.

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  12. Materials Science

    3-D printers offer better way to make some magnets

    3-D printers produced magnets as strong as conventional ones with less material wasted.

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