Tech

  1. 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.

    By Sid Perkins
  2. Tech

    Tweaked germs glow to pinpoint buried landmines

    Finding landmines could become much safer with a new technology. It uses genetically modified bacteria that glow under laser light.

    By Dinsa Sachan
  3. Tech

    Teens garner some $4 million in prizes at 2017 Intel ISEF

    Hundreds of teens collectively took home about $4 million in awards from the Intel International Science and Engineering Fair this week.

    By Sid Perkins
  4. Tech

    A better way to stop a bullet?

    A teen researcher's tests suggest that fabric body armor might stop bullets better if it were woven using a three-fiber, triangular mesh instead of the typical two-fiber-mesh configuration.

    By Sid Perkins
  5. Tech

    Teen’s invention can warn of deadly rip currents

    A teen lifeguard from Australia has invented a buoy that can alert swimmers to the strong, swift and deadly rip currents that can sweep them dangerously far offshore.

    By Sid Perkins
  6. 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.

    By Sharon Oosthoek
  7. Materials Science

    Nanowires made from silver are super stretchy

    When silver nanowires stretch slowly, atoms on their surface can spread to heal weak spots. The discovery could lead to more flexible electronics.

    By Sid Perkins
  8. Tech

    These antennas turn anything into a radio station

    Engineers have developed antennas that can turn ordinary objects — even posters — into radio stations.

    By Stephen Ornes
  9. Climate

    Cool Jobs: Head in the clouds

    What do a microbiologist, an atmospheric scientist and a materials engineer have in common? They’ve all got their heads in the clouds.

    By Beth Geiger
  10. Tech

    Star Trek gets closer to becoming home tech

    Inspired by Star Trek, inventors have created handheld devices to diagnose common medical ailments.

    By Stephen Ornes
  11. Tech

    How to safely watch a solar eclipse

    Certified safety glasses are a must for protecting your eyes when looking at the sun. Here’s how to safely enjoy a solar eclipse, like the one on August 21, 2017.

    By Kathiann Kowalski
  12. Tech

    ‘Nanostraws’ safely sneak a peek inside cells

    Scientists have developed tiny straws that let them peek inside a living cell without killing it or even damaging it.

    By Stephen Ornes