Matter and Its Interactions

More Stories in Matter and Its Interactions

  1. 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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  2. Space

    Black hole mega-burp was truly explosive

    Long, long ago, in a galaxy far, far away, a black hole blasted out 100 billion times as much energy as our sun ever will. One word for that: Wow!

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  3. Chemistry

    Explainer: What the pH scale tells us

    The pH scale tells us how basic or acidic something is. Pure water sits in the middle of the scale, at a pH of seven.

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  4. Earth

    Study appears to rule out volcanic burps as causing dino die-offs

    New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.

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  5. Physics

    How to temporarily ‘fossilize’ a soap bubble

    Here’s how to freeze a soap bubble in midair. Warning: The environment needs to be frosty, and even then it can take a certain amount of trial and error.

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  6. Materials Science

    New twist can hush — even cloak — some sounds

    Swiss engineers developed clear, spiral structures to make a new sound-dampening system. Those twists block some vibrations and lets others through.

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  7. Earth

    Help for a world drowning in microplastics

    Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.

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