Waves and Their Applications in Technologies for Information Transfer

  1. Computing

    Machine learning includes deep learning and neural nets

    By combining patterns found in mountains of data with information gleaned from mistakes, these computer programs expand their artificial intelligence.

    By
  2. Earth

    Fin whales could help scientists map what lies below the seafloor

    Fin-whale calls are loud enough to penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.

    By
  3. Archaeology

    Unusual mud shell covers an Egyptian mummy

    In ancient Egypt, commoners may have been mummified and then encased in mud to repair damage to the body or to imitate royal techniques used with royals.

    By
  4. Science & Society

    New technology can get inside your head. Are you ready?

    New technologies aim to listen to — and maybe even change — your brain activity. But just because scientists can do this, should they?

    By
  5. Earth

    Space station sensors saw how weird ‘blue jet’ lightning forms

    A mysterious type of lightning in the upper atmosphere has been traced to a brief, bright flash of light at the top of a storm cloud.

    By
  6. Physics

    Scientists Say: Piezoelectric

    Piezoelectric materials produce an electric voltage when they are bent or squished. This can let us harvest electricity from movement.

    By
  7. Physics

    Physicists have clocked the shortest time span ever

    The experiment revealed how long it takes light to cross a hydrogen molecule: just a couple hundred zeptoseconds.

    By
  8. Physics

    What did you say? Fabric masks can really muffle voices

    Some types of face masks muffle speech more than others — something that teachers should take into account.

    By
  9. Space

    Our feverish universe is getting hotter every day

    For the first time, astronomers have taken the temperature of the cosmos at different times in its history. Galaxy clusters are cranking up the heat.

    By
  10. Tech

    Bye-bye batteries? Power a phone with fabric or a beacon with sound

    New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.

    By
  11. Tech

    Flexible devices may help clothes solar power your screens

    A fluorescent polymer duo boosts the efficiency of solar cells. One day this material may coat your jacket, hat or backpack to provide power on the go.

    By
  12. Tech

    Computers are changing how art is made

    Some people have challenged the idea that artificial intelligence can be creative. But new software can provide inspiration to artists or fully partner with them in the creative process.

    By