Waves and Their Applications in Technologies for Information Transfer

  1. Science & Society

    Let’s learn about music

    Researchers are delving into how instruments and spaces shape our experience of music, and how computers could play a role in the future of music-making.

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  2. Physics

    Scientists used lasers to make ‘smoke rings’ of light

    Physicists had a bright idea: Make light into swirling, ring-shaped vortices, similar to smoke rings or bubble rings.

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  3. Tech

    You might someday ‘wallpaper’ your bedroom with this loudspeaker

    This thin, flexible and lightweight loudspeaker could reduce noise in loud spaces. It also might enable listeners to experience sound in new ways.

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  4. Chemistry

    Simple process destroys toxic and widespread ‘forever’ pollutants

    Ultraviolet light, sulfite and iodide break down these PFAS molecules faster and more thoroughly than other methods.

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  5. Planets

    Noises sound totally different on Mars than on Earth. Here’s why

    The Perseverance rover recorded the sound of laser pulses on Mars. Scientists used those recordings to determine the Martian speeds of sound.

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  6. Tech

    A new audio system confuses smart devices that try to eavesdrop

    It works by playing soft, calculated sounds to help people protect their privacy from automatic speech-recognition systems.

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  7. Climate

    Coastal cities around the world are sinking, satellite data show

    Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.

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  8. Physics

    A new clock shows how gravity warps time — even over tiny distances

    This clock measured how gravity changes the passage of time in different places — even spots just one millimeter apart.

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  9. Animals

    Orb-weaving spiders use their webs like external eardrums

    Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.

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  10. Space

    A star called ‘Earendel’ could be the most distant ever seen

    A thin red arc found in an image from the Hubble Space Telescope shows starlight from nearly 13 billion years ago.

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  11. Physics

    Muons reveal the inner worlds of pyramids, volcanoes and more

    Tracking these subatomic particles can uncover surprising hidden structures.

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  12. Space

    Gravitational waves ‘kicked’ a newborn black hole across space

    Two black holes merged into one, and then sped off at around 5 million kilometers (3.1 million miles) per hour.

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