acoustics

  • Sonic cleanup: using sound to capture ocean microplastics

    A new, filter-free method of separating microplastics from seawater has been developed in Indonesia.

    Researchers in Indonesia have developed an innovative way to remove microplastics from water without the need for exp...

    Oceans January 7, 2022
  • Focusing sound waves is child’s play

    Lego figures demonstrate ‘time reversed’ sound waves that could have military and medical applica...

    In the 2003 sci-fi movie The Core, the Earth faced catastrophe in the aftermath of tests of a weapon designed to crea...

    Physics January 4, 2022
  • Batting with anticipation

    Researchers learn more about how bats track and catch prey and filter out unnecessary sounds.

    Being a bat chasing prey, scientists say, is a bit like trying to hit a tennis ball under a strobe light.That...

    Animals December 11, 2021
  • Video

    Wired for sound: The observatory that’s always listening

    The Australian Acoustic Observatory (A2O) proves you don’t have to be there to get the data.

    The Australian Acoustic Observatory (A2O) is a continental-scale acoustic sensor network, designed to collect data ov...

    Birds September 7, 2021
  • When music ‘speaks’

    New research demonstrates how traditional dùndún drumming accurately mimics Yorùbá speech.

    Dùndún drumming is an oral tradition among the Yorùbá peoples of Western Africa which involves a special type of drum...

    Culture July 27, 2021
  • Video

    Lifting things with sound waves

    Watch a polystyrene ball get levitated by sound waves alone.

    Watch a hemisphere of ultrasound transducers that create sound waves, lifting a polystyrene ball off a reflective sur...

    Core Sciences July 26, 2021
  • Listen up: the sound of science

    Can how we speak reflect changes in our mental health? Can ambient sound bring order to loved one...

    This article first appeared in Cosmos Weekly on 2 July 2021. For more stories like this, subscribe to Cosmos Weekly. ...

    Body and Mind July 9, 2021
  • Listen up: the sound of science

    Can how we speak reflect changes in our mental health? Can ambient sound bring order to loved one...

    Worried about an aging relative with dementia, or a friend suffering from mental illness? New help may be on its way ...

    Body and Mind July 2, 2021
  • Good (spider) vibrations

    Scientists create music from arachnid webs.

    The fascinating properties of spider webs could now be explored in an entirely new dimension: through music.The e...

    Core Sciences April 12, 2021
  • Concerns about electric car alert systems

    EV engine might be silent, but an EV traffic jam could be deafening.

    Scientists are sounding the alarm about potential hazards associated with tones, whirs, beeps, or other sonic-alert s...

    AI May 20, 2019
  • Researchers probe the acoustics of screams

    Researchers work to define a primal human vocalisation.

    Hollywood's most famous scream: Janet Leigh in the shower scene from Psycho. Credit: Bettman/GettyImagesWhen peop...

    Biology May 16, 2019
  • Australian Nobel laureate’s wartime inventions honoured by US Army physicist

    Adelaide’s William Lawrence Bragg recognised as acoustic pioneer. Phil Dooley reports.

    William Lawrence Bragg, pictured in 1950.Hulton Archive/Getty ArchiveAustralian-born physicist  William Lawrence Brag...

    Physics April 28, 2019
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