Tech

  1. Tech

    Gravity ‘batteries’ might help a weighty renewable-energy problem

    To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.

    By Stephen Ornes
  2. Tech

    New device can harvest clean energy from humid air anywhere

    Unlike solar power, this new source of electricity is available day or night.

    By Laura Allen
  3. Animals

    How artificial intelligence could help us talk to animals

    AI translates human languages with ease. Researchers are now using this tech to analyze the sounds of whales, rodents and many other animals.

    By Kathryn Hulick
  4. Tech

    What is my pet saying? Scientists are working to find out

    Researchers are using artificial intelligence for pet-translation apps. One day, it might put into words what our furry friends are vocalizing.

    By Kathryn Hulick
  5. Tech

    High-tech solar ‘leaves’ create green fuels from the sun

    Chemists make a liquid alternative to fossil fuels from carbon dioxide, water and the sun. Their trick? They use a new type of artificial leaf.

    By Laura Allen
  6. Physics

    Scientists Say: Radio Waves

    Lightning, stars, supermassive black holes and more give off radio waves.

    By Maria Temming
  7. Tech

    A ‘mini cyclone’ helps detect coronavirus in the air

    A new device can detect from seven to 35 coronavirus particles per liter of air in minutes. That’s close to a PCR test’s sensitivity — but much quicker.

    By Tina Hesman Saey
  8. Tech

    New thermal ‘cloak’ keeps spaces from getting too hot or too cold

     A prototype fabric could help keep cars, buildings and other spaces cooler during heat waves while also reducing greenhouse-gas emissions.

    By Skyler Ware
  9. Tech

    Horses are inspiring this roboticist to build trustworthy robots

    Computer scientist Eakta Jain is looking at human-horse interactions for ideas about how to design robots that work well with people.

    By Rachel Crowell
  10. Computing

    Teen-created software IDs skin conditions, risky drivers and more

    Researchers at the 2023 Regeneron ISEF unveiled computer programs to diagnose skin conditions, warn of dangerous driving and translate sign language.

    By McKenzie Prillaman
  11. Math

    Scientists Say: Parabola

    A parabola is a U-shaped curve, where every point along that curve is the same distance from another point and a line.

    By Maria Temming
  12. Space

    Fairy tale inspiration could help rovers explore risky places

    Taking a cue from Hansel and Gretel, scientists propose a way for rovers to send back data from treacherous terrain.

    By Allison Gasparini
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