“Acoustic holograms” quickly assemble objects from particles or cells

Scientists have created “acoustic holograms” that can assemble matter into 3D objects, using just sound. The technique works with various types of particles and even living cells, allowing for a new kind of 3D printing that’s fast and contact-free.Cont… Continue reading “Acoustic holograms” quickly assemble objects from particles or cells

Rust-removing sound waves could breathe new life into MXene batteries

For some time now, a nanomaterial known as MXene has been touted as a faster-charging alternative to the lithium used in batteries. It could soon be an even more viable choice, as scientists have devised a method of making it last much longer.Continue … Continue reading Rust-removing sound waves could breathe new life into MXene batteries

Soundscape Sculpture Is Pleasing Art For Your Ears

A small electronic board next to colorful stylized speaker

Artist and self-described “maker of objects” [Daric Gill] is sharing some of the world’s most pleasing and acoustically interesting soundscapes with museum patrons in his latest work, ‘The Memory Machine: …read more Continue reading Soundscape Sculpture Is Pleasing Art For Your Ears

First human trials test light & sound therapy for Alzheimer’s disease

A promising new therapy for Alzheimer's involves exposure to a 40-Hz flickering light and sound tone for an hour a day

A new study published in the journal PLoS ONE has reported on the first human tests of an experimental therapy using sound and light to treat Alzheimer’s disease (AD). The initial findings are promising, with the unique treatment leading to some neurological and cognitive improvements, but the small trial size means more study is needed before anyone can say this type of therapy works.

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Study shows that bats growl by channeling their inner death metal singer

If you’ve ever listened to death metal rock or Mongolian throat singing, you’ll be familiar with the growling vocals that are part of both. Well, bats make similar sounds, and it turns out that they do so in the same manner as human singers.Continue Re… Continue reading Study shows that bats growl by channeling their inner death metal singer

Earzz is made to listen for important noises that you might miss

If you’re at home alone, you may be reluctant to use headphones, vacuum carpets, or do anything else that keeps you from hearing noises such as ringing doorbells. That’s where Earzz comes in, as it’s designed to listen for those noises, and alert you w… Continue reading Earzz is made to listen for important noises that you might miss

53 “mute” species caught vocalizing, suggesting single chatty ancestor

Birds sing, dogs bark, and turtles – well, it turns out they have a surprisingly wide vocabulary too. A new study has found that they, along with dozens of other “mute” species, do actually vocalize, leading to the conclusion that all acoustic communic… Continue reading 53 “mute” species caught vocalizing, suggesting single chatty ancestor

Listen to the spooky soundscape of Earth’s magnetic field

The Earth’s magnetic field is something that many of us may take for granted, since it’s not something we can see, feel or hear. That last point has now changed though, as scientists and musicians have worked together to convert magnetic field data int… Continue reading Listen to the spooky soundscape of Earth’s magnetic field