Tech

  1. Physics

    Wind power gets downsized — but in a good way

    Two young scientists have developed ways to tap into wind power on a small scale.

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  2. Tech

    Fingers leave tell-tale clues about you on your phone

    Analyzing chemicals on a cell phone tells researchers what the caller had been up to. That includes recent meals and where they'd been.

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  3. Math

    Cool Jobs: Motion by the numbers

    What do car crash testers, video game creators and scientists who study athletic performance have in common? All use geometry in their cool jobs.

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  4. Computing

    Two numbers set a record — and not just for being book length

    Twin primes are prime numbers that differ by just 2. The largest known twins have just been discovered — each 388,342 digits long!

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  5. Tech

    Star Trek technology becomes more science than fiction

    On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.

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  6. Tech

    Implant traps cancer cells on the move

    A device implanted under the skin extended the life of mice with breast cancer. It trapped injected cancer cells before they created tumors in organs throughout the body.

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  7. Animals

    These young inventors had to make like a crab

    This year’s top challenge for Broadcom MASTERS finalists was to design and build a robotic arm based on a crab’s arm and claw.

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  8. Tech

    Hack: How to spy on a 3-D printer

    Computer scientists have found that a hacker can eavesdrop on a 3-D printer using a smartphone. The technique uses sound and energy data produced by the printer.

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  9. Tech

    Water sensor quickly detects algal poison

    A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.

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  10. Environment

    Rocket nozzle research propels teen to big win

    A 13-year old won the top prize at this year’s Broadcom MASTERS science competition. She had determined the best shape for a rocket nozzle. 

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  11. Science & Society

    How computers get out the vote

    Increasingly computers play a role in voting. Here’s why that concerns scientists, even as they acknowledge that computers may be increasingly essential.

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  12. Chemistry

    New coating for metals could cut engine wear

    Scientists have developed a new coating for engine parts that could reduce friction and engine wear. One big benefit: Cars may require fewer oil changes.

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