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The Kid Should See This 🌈🪐✨Have you heard the incredible sound of skating on thin black ice? 🧊⚡️When Nordic skaters glide across pristine frozen lakes, their blades create vibrations that travel through the ice sheet, generating otherworldly sounds similar to laser beams or alien spacecraft.This fascinating acoustic phenomenon demonstrates sound wave <a href="https://universeodon.com/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#physics</a> in a naturally occurring setting - no special effects needed!👉 Learn more:` <a href="https://thekidshouldseethis.com/post/the-sound-of-ice-nordic-skating-on-thin-black-ice-sounds-like-lasers" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://thekidshouldseethis.com/post/the-sound-of-ice-nordic-skating-on-thin-black-ice-sounds-like-lasers</a><a href="https://universeodon.com/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Physics</a> <a href="https://universeodon.com/tags/Acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Acoustics</a> <a href="https://universeodon.com/tags/Nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Nature</a> <a href="https://universeodon.com/tags/Math" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Math</a> <a href="https://universeodon.com/tags/TKSST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TKSST</a> <a href="https://universeodon.com/tags/sports" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sports</a> <a href="https://universeodon.com/tags/winter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#winter</a> <a href="https://universeodon.com/tags/video" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#video</a>

Dan StowellSome thoughts on how to prepare yourself for sonic weapons at public protests: <a href="http://mcld.co.uk/blog/2025/how-to-prepare-yourself-for-sonic-weapons-at-public-protests.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://mcld.co.uk/blog/2025/how-to-prepare-yourself-for-sonic-weapons-at-public-protests.html</a> (I'd be grateful for responses to improve on this) <a href="https://mastodon.social/tags/acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#acoustics</a> <a href="https://mastodon.social/tags/LRAD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LRAD</a>

Chi ha ucciso Il Conte?After extensive testing, here’s a 3D model of a Velcro-equipped speaker casing. Designed for a design session where users can explore different placements on a wearable element. As always, modeled with FreeCAD. <a href="https://c.im/tags/3DModeling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3DModeling</a> <a href="https://c.im/tags/WearableTech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WearableTech</a> <a href="https://c.im/tags/SpeakerDesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpeakerDesign</a> <a href="https://c.im/tags/FreeCAD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FreeCAD</a> <a href="https://c.im/tags/ProductDesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ProductDesign</a> <a href="https://c.im/tags/Prototyping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Prototyping</a> <a href="https://c.im/tags/TechInnovation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#TechInnovation</a> <a href="https://c.im/tags/IndustrialDesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IndustrialDesign</a> <a href="https://c.im/tags/OpenSource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#OpenSource</a> <a href="https://c.im/tags/HardwareDesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HardwareDesign</a> <a href="https://c.im/tags/Engineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Engineering</a> <a href="https://c.im/tags/DesignThinking" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DesignThinking</a> <a href="https://c.im/tags/CAD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CAD</a> <a href="https://c.im/tags/Makers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Makers</a> <a href="https://c.im/tags/DIY" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DIY</a> <a href="https://c.im/tags/Acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Acoustics</a> <a href="https://c.im/tags/ElectronicsEnclosure" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ElectronicsEnclosure</a> <a href="https://c.im/tags/FLOSS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FLOSS</a> <a href="https://c.im/tags/design" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#design</a> <a href="https://c.im/tags/uidesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#uidesign</a> <a href="https://c.im/tags/tui" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tui</a> <a href="https://c.im/tags/wearable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wearable</a>

The Conversation U.S.New tech could create "audible enclaves" – localized pockets of sound isolated from surroundings. Imagine listening to music without headphones or having private conversations in public. <a href="https://newsie.social/tags/Acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Acoustics</a> scholars explain: <a href="https://buff.ly/BZaNFfT" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://buff.ly/BZaNFfT</a> Cinefootage Visuals/iStock via Getty Images Plus

Flipboard Science DeskResearchers created sound that can bend itself through space, reaching only your ear in a crowd.From <a href="https://flipboard.com/@ConversationUS" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@ConversationUS</a>: "Newly published research introduces a way to create audible enclaves – localized pockets of sound that are isolated from their surroundings."<a href="https://flip.it/pyCqhH" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://flip.it/pyCqhH</a><a href="https://flipboard.social/tags/Sound" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Sound</a> <a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Science</a> <a href="https://flipboard.social/tags/Acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Acoustics</a> <a href="https://flipboard.social/tags/Music" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Music</a>

Nicole SharpSeeing Sound <a class="" href="https://fyfluiddynamics.com/wp-content/uploads/chladni1-1.png" rel="nofollow noopener noreferrer" target="_blank"></a> <a class="" href="https://fyfluiddynamics.com/wp-content/uploads/chladni2-1.png" rel="nofollow noopener noreferrer" target="_blank"></a> <a class="" href="https://fyfluiddynamics.com/wp-content/uploads/chladni3-1.png" rel="nofollow noopener noreferrer" target="_blank"></a> Sound, vibration, and motion are all inextricably linked. In this BBC video, physicist Helen Czerski shows how an object’s sound and vibrations relate through the classic Chladni experiment. She vibrates a metal plate scattered with sand. At most vibration frequencies, the particles of sand bounce all over the place with no distinctive pattern. But at an object’s natural frequencies, there are standing waves and the sand gathers in spots where the standing wave has no vertical motion. The higher the vibration frequency, the more complex the pattern the sand makes. All of this plays into the sounds we hear, too. When struck, an object vibrates at many of its natural frequencies at once. That’s what gives us a rich, musical tone — all those layered frequencies. (Video and image credit: BBC)<a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/acoustics/" target="_blank">#acoustics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/chladni-patterns/" target="_blank">#ChladniPatterns</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/fluid-dynamics/" target="_blank">#fluidDynamics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/physics/" target="_blank">#physics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/science/" target="_blank">#science</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/vibration/" target="_blank">#vibration</a>

Stephen SekulaI have been in some exhilarating conversations over the past few days about additional ways to use the sound sensors on the <a href="https://mastodon.cooleysekula.net/tags/PICO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#PICO</a> bubble chamber experiment. While these ideas may ultimately be dead ends, it is exciting to engage with colleagues across the collaboration in trying some new (crazy?) ideas. I love going up alleys to see if they are blind.<a href="https://mastodon.cooleysekula.net/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#science</a> <a href="https://mastodon.cooleysekula.net/tags/darkmatter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#darkmatter</a> <a href="https://mastodon.cooleysekula.net/tags/experiment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#experiment</a> <a href="https://mastodon.cooleysekula.net/tags/acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#acoustics</a>

Flipboard Culture Desk"Forget sightseeing. How about sound-hearing?" asks Hannah Nepilova for <a href="https://flipboard.com/@BBCNews" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@BBCNews</a>'s Music Magazine. Here's her story on destinations with weird and wonderful acoustics, from a New York installation by Max Neuhaus to the Sagano Bamboo Forest in Japan.<a href="https://flip.it/73gm_5" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://flip.it/73gm_5</a><a href="https://flipboard.social/tags/Travel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Travel</a> <a href="https://flipboard.social/tags/Music" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Music</a> <a href="https://flipboard.social/tags/Acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Acoustics</a> <a href="https://flipboard.social/tags/Museums" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Museums</a> <a href="https://flipboard.social/tags/Culture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Culture</a>

Nicole SharpTracking Tonga’s BoomWhen the Hunga Tonga-Hunga Ha’apai volcano erupted in January 2022, its effects were felt — and heard — thousands of kilometers away. <a href="https://doi.org/10.1038/s43247-024-01747-3" rel="nofollow noopener noreferrer" target="_blank">A new study analyzes</a> crowdsourced data (largely from Aotearoa New Zealand) to estimate the audible impact of the eruption. The researchers found that the volume, arrival time, and nature of the rolling rumble reported by survey takers correlated well with seismic measurements. But humans provided data that monitoring equipment couldn’t. For example, reports of shaking buildings and rattling windows let researchers estimate the shock wave‘s overpressure far from the volcano. The team suggests that acting quickly to collect human impressions of rare events like this one can add valuable data that’s otherwise overlooked. (Image credit: NASA; research credit: <a href="https://doi.org/10.1038/s43247-024-01747-3" rel="nofollow noopener noreferrer" target="_blank">M. Clive et al.</a>; via <a href="https://gizmodo.com/this-is-what-the-giant-tonga-eruption-sounded-like-2000534001?__readwiseLocation=" rel="nofollow noopener noreferrer" target="_blank">Gizmodo</a>)<a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/acoustics/" target="_blank">#acoustics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/eruption/" target="_blank">#eruption</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/fluid-dynamics/" target="_blank">#fluidDynamics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/physics/" target="_blank">#physics</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/science/" target="_blank">#science</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/shockwave/" target="_blank">#shockwave</a> <a rel="nofollow noopener noreferrer" class="hashtag u-tag u-category" href="https://fyfluiddynamics.com/tagged/volcano/" target="_blank">#volcano</a>

Daniel ColquittFantastic project with a great supervisory team — bubble physics, and underwater acoustics more generally, is a fascinating area to work in. <a href="https://colquitt.xyz/tags/mathematics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mathematics</a> <a href="https://colquitt.xyz/tags/underwateracoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#underwateracoustics</a> <a href="https://colquitt.xyz/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#physics</a> <a href="https://colquitt.xyz/tags/acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#acoustics</a> <a href="https://fediscience.org/@helenczerski/113788840994772860" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://fediscience.org/@helenczerski/113788840994772860</a>

𝔸𝕟𝕔𝕚𝕖𝕟𝕥 𝕊𝕠𝕦𝕟𝕕𝕤 🔉My audio etymology simulations are collected at <a href="http://ancientsounds.net" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://ancientsounds.net</a> I'm also compiling, correcting and extending past posts on 🐦 and 🐘 about those audio etymologies into an alphabetically-ordered blog, so that we can look up examples: <a href="http://ancientsounds.net/blog.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://ancientsounds.net/blog.html</a><a href="https://mastodonapp.uk/tags/acoustics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#acoustics</a> <a href="https://mastodonapp.uk/tags/phonetics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#phonetics</a> <a href="https://mastodonapp.uk/tags/audio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#audio</a> <a href="https://mastodonapp.uk/tags/etymology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#etymology</a> <a href="https://mastodonapp.uk/tags/philology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#philology</a> <a href="https://mastodonapp.uk/tags/Proto" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Proto</a>-Indo-European <a href="https://mastodonapp.uk/tags/EnglishLanguage" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EnglishLanguage</a> <a href="https://mastodonapp.uk/tags/linguistics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#linguistics</a>

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