FYI: Sallie's Backpack Media targets Gen Z with education-first ad network: Sallie launches Backpack Media on March 4, 2026, a first-to-market education media network targeting Gen Z, Gen Alpha, and families across owned properties, open web, and CTV. https://ppc.land/sallies-backpack-media-targets-gen-z-with-education-first-ad-network/ #GenZ #DigitalMarketing #EdTech #Education #AdTech

The Screen Shock: Gaming Disorder Hits Australian Primary Schools Years Earlier Than Expected

#AusNews #MentalHealth #ParentingTips #Gaming #Education #ScreenTime

https://thedailyperspective.org/article/2026-03-09-the-screen-shock-gaming-disorder-hits-australian-primary-schools-years-earlier-t-86ab17b2

The Testing Week: How Australia's Mental Health Crisis Collides With NAPLAN

#StudentMentalHealth #NAPLAN2026 #AustralianSchools #Education #AusNews

https://thedailyperspective.org/article/2026-03-09-the-testing-week-how-australias-mental-health-crisis-collides-with-naplan-1e68573c

ICYMI: Sallie's Backpack Media targets Gen Z with education-first ad network: Sallie launches Backpack Media on March 4, 2026, a first-to-market education media network targeting Gen Z, Gen Alpha, and families across owned properties, open web, and CTV. https://ppc.land/sallies-backpack-media-targets-gen-z-with-education-first-ad-network/ #GenZ #Education #AdTech #MediaNetwork #BackpackMedia

The Tutoring Economy: Why Academic Pressure Is Reshaping Australian Family Budgets

#Education #AcademicPressure #AustralianSchools #CostOfLiving #AusNews

https://thedailyperspective.org/article/2026-03-08-the-tutoring-economy-why-academic-pressure-is-reshaping-australian-family-budget-1e4be72e

Learning Through Chaos: How Queensland Schools Rebuild After the Flood

#QldFloods #Education #StudentMentalHealth #ClimateChange #AusNews

https://thedailyperspective.org/article/2026-03-07-learning-through-chaos-how-queensland-schools-rebuild-after-the-flood-0833c932

The Teacher Shortage Is Real. So Is Our Refusal to Fix It.

#TeacherShortage #AusEducation #Schools #AusNews #Education #PolicyFail

https://thedailyperspective.org/article/2026-03-07-the-teacher-shortage-is-real-so-is-our-refusal-to-fix-it-210f60c1

💥New Book: When Language Fails. Now available at Amazon and in the usual bookstores and marketplaces.

https://www.amazon.com/dp/1972025007

Why do some arguments never resolve? Why do intelligent people talk past one another, armed with the same words but reaching incompatible conclusions? 🧐

More details to follow.

#books #wrriting #publishing #writingCommunity #philosophy #reading #language #semantics #communication #strategy #politics #education #society #ontology #perspective #book #promotion #amazon

An interactive intro to Elliptic Curve Cryptography

https://growingswe.com/blog/elliptic-curve-cryptography

#HackerNews #EllipticCurveCryptography #InteractiveLearning #CryptoBasics #Cybersecurity #Education

#California tried to protect students’ data. Tech companies found loopholes

https://themarkup.org/artificial-intelligence/2026/02/21/california-tried-to-protect-students-data-tech-companies-found-loopholes

#privacy #education

'Students Are Being Treated Like Guinea Pigs:' Inside an #AI-Powered Private #School

https://www.404media.co/students-are-being-treated-like-guinea-pigs-inside-an-ai-powered-private-school/

#AlphaSchool #privacy #education

Dorothy Parker: Sharp-Witted Writer, Bitter Professor

Dorothy Parker’s year as a visiting professor shows how a celebrated literary voice struggled to adapt to the realities of academic teaching.

By: Emily Zarevich

https://daily.jstor.org/dorothy-parker-sharp-witted-writer-bitter-professor/

#books #literature #education

Alt...

American writer Dorothy Parker (1893-1967), c. 1910s-1920s. The image shows Parker as a young woman with short, dark bobbed hair and a contemplative expression in three-quarter profile. https://en.wikipedia.org/wiki/Dorothy_Parker#/media/File:Young_Dorothy_Parker.jpg

Claude witters on about the Thermodynamics or ideological Maintenance—referencing democracy and capitalism.
https://philosophics.blog/2026/02/08/comrade-claude-5-democracy-and-capitalism/?utm_source=masto&utm_medium=social
#philosophy #physics #maintenance #education #democracy #capitalism #entropy #thermodynamics #metaphor #culture #economics #inequality #blog #podcast #claudeai #dialog #infographic #notebooklm

🚀 Episode 12 – “Hijacked Homework”

We talk five layers of classroom surveillance—from free‑tier badge apps that harvest gold‑star data to AI‑tutors that listen to every question.

🎙️ Get the legal low‑down (FERPA, COPPA, GDPR) and a practical, low‑cost privacy toolkit (burner tablets, VPNs, paper opt‑outs, data‑deletion requests, contract advocacy)

👉 Tune in:
https://impracticalprivacy.com

#Privacy #EdTech #Surveillance #Data #DataProtection #Surveillancecapitalism #Education

George Orwell called for a new way of thinking about science

In October 1945, George Orwell responded to a letter from Mr J. Stewart Cook in the leftwing weekly newspaper Tribune calling for more science education.

By Robert Colls

https://theconversation.com/george-orwell-called-for-a-new-way-of-thinking-about-science-274447

Science education at PG:
https://www.gutenberg.org/ebooks/search/?query=science+%2Beducation

#books #education #science

Alt...

Picture of George Orwell which appears in an old accreditation for the Branch of the National Union of Journalists (BNUJ). The black and white portrait shows Orwell with his characteristic thin mustache, intense gaze, and slightly disheveled dark hair, likely taken during his years as a journalist and writer in the 1940s. https://en.wikipedia.org/wiki/George_Orwell#/media/File:George_Orwell_press_photo.jpg

3D yearbook for visually impaired graduates

Graduates of Daegu Kwangmyung School, an educational institution for visually impaired students in Daegu, received their specially designed graduation albums featuring their classmates on Thursday. The album contains three-dimensional relief portraits of the graduates, created using 3D printers and scanners, allowing students to recognize faces through touch.

By Shin Ji-hye

https://www.koreaherald.com/article/10651730

#visual_impaired #3D_books #education

💧🗺️ Most of the fresh #water in the #US isn't in our #rivers or #lakes – it's right beneath us.

Using #AI and a million #data points, scientists have created a "hyper-resolution" #map showing that the contiguous #UnitedStates sits on enough groundwater to fill the #GreatLakes 13 times.

👉 https://eos.org/articles/report-13-great-lakes-worth-of-water-underlies-the-contiguous-united-states

#science #geology #discovery #nature #education #hydrology

#GiftArticle

Defund #Science, Distort #Culture, Mock #Education

It’s not just about cuts to #research.
It’s about #power.

By Anne Applebaum @anneapplebaum

#SevenMountainMandate #law #Constitution #FirstAmendment #AcademicFreedom #dictatorship #authoritarianism #autocracy #MafiaState #RevengePolitics #Trump
https://www.theatlantic.com/podcasts/2026/01/reality-reshaped/685289/?gift=guxsrl_dAdXUP9zqbQPWxVCfwC75UsaONz24l2NqAdQ

Modernity likes to paint Nietzsche as a nutjob responsible for the rise of the Nazis, but he's always just been the messenger. Today, his message applies to Trump and America, who Carney out.

https://philosophics.blog/2026/01/21/mark-carney-explains-nietzsche/?utm_source=masto&utm_medium=social

#politics #power #philosophy #psychology #humancondition #Nietzsche #Foucault #wef #economics #fiction #perspective #framing #law #languabe #optics #truth #education #video #blog #podcast

"We ferry to gulf islands to see the sea explode with all who come to feast on herring, streaks of deep-green seawater turning tropical turquoise in the haze of eggs." —adam amir for @emergencemagazine

https://emergencemagazine.org/feature/seasoning-a-kid/

#Wildlife #Nature #TheSeasons #Education #Family

Back-to-school in 2026 could look very different in Europe: France proposes banning social media for under-15s and restricting phones in high schools to curb screen time and protect well-being. 🎒

Key questions remain on enforcement, privacy, and open access to information. Safety and accountability must guide any rollout. 📵

🔗 https://www.ma-grande-taille.com/en/societe/europe-back-to-school-season-2026-without-social-media-or-mobile-phones-for-teenagers-431722

#TechNews #Education #Privacy #OpenSource #UserRights #DataProtection #DigitalRights #France #Europe #Youth #School #TechPolicy #SocialMedia

Topic> Spacecrafts

2026 January 2

NanoSail-D2
* Image Credit & Copyright: Ralf Vandebergh
https://satellite-imaging.jouwweb.nl/selected-project-samples-best-works

Explanation:
In 2011, on January 20, NASA's NanoSail-D2 unfurled a very thin and very reflective 10 square meter sail becoming the first solar sail spacecraft in low Earth orbit. Often considered the stuff of science fiction, sailing through space was suggested 400 years ago by astronomer Johannes Kepler, who had observed comet tails blown by the solar wind. But modern solar sail spacecraft designs, like NanoSail-D2, Japan's interplanetary spacecraft IKAROS, or the Planetary Society's Lightsail A, rely on the small but continuous pressure from sunlight itself for thrust. Glinting in the sunlight as it circled planet Earth, NanoSail-D2's solar sail was periodically bright and visible to the eye. These remarkably detailed images were captured by manually tracking the orbiting solar sail spacecraft with a small telescope.
https://en.wikipedia.org/wiki/NanoSail-D2
https://en.wikipedia.org/wiki/Sunjammer
https://apod.nasa.gov/apod/ap040821.html
https://en.wikipedia.org/wiki/Solar_sail
https://global.jaxa.jp/countdown/f17/overview/ikaros_e.html
https://apod.nasa.gov/apod/ap150619.html
http://www.phy6.org/stargaze/Solsail.htm

https://apod.nasa.gov/apod/ap260101.html

#space #earth #spacecraft #astrophotography #photography #NASA #science #physics #tech #education #apod

Alt...

2026 January 2 NanoSail-D2 * Image Credit & Copyright: Ralf Vandebergh Explanation: In 2011, on January 20, NASA's NanoSail-D2 unfurled a very thin and very reflective 10 square meter sail becoming the first solar sail spacecraft in low Earth orbit. Often considered the stuff of science fiction, sailing through space was suggested 400 years ago by astronomer Johannes Kepler, who had observed comet tails blown by the solar wind. But modern solar sail spacecraft designs, like NanoSail-D2, Japan's interplanetary spacecraft IKAROS, or the Planetary Society's Lightsail A, rely on the small but continuous pressure from sunlight itself for thrust. Glinting in the sunlight as it circled planet Earth, NanoSail-D2's solar sail was periodically bright and visible to the eye. These remarkably detailed images were captured by manually tracking the orbiting solar sail spacecraft with a small telescope. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U.

I just published a long-form essay on self-paced education for learners with multiple disabilities.
I write about why traditional and online education often fails us, how pace and financial aid become barriers, and what more humane, sustainable learning could look like.
Read here: https://laniecarmelo.tech/writing/self-paced-education/
#Accessibility #Disability #Education

So I’m teaching a friend who doesn’t have any development knowledge how to get started with Small Web development and I thought it would be a good opportunity to start creating and sharing the course on the Kitten web site, one lesson at a time.

Here’s the link:

https://kitten.small-web.org/course

It’s a work in progress that I’ll be adding to along with our lessons but the draft of the first one, on setting up your development environment (which I whipped up in the pub last night, so expect typos) is here:

https://kitten.small-web.org/course/setting-up/

Please feel free to follow along and file issues if you have thoughts for improvements, etc.

The Setting Up lesson will actually likely end up being the second one with the first being a theoretical one on Small (peer-to-peer) Web development and how it is similar to and differs from Big (centralised) Web development.

Enjoy!

💕

#SmallWeb #Kitten #SmallTech #web #dev #course #education #HTML #CSS #JavaScript #NodeJS

2025 December 12

Northern Fox Fires
* Image Credit & Copyright: Dennis Lehtonen
https://denniina.com/

Explanation:
In a Finnish myth, when an arctic fox runs so fast that its bushy tail brushes the mountains, flaming sparks are cast into the heavens creating the northern lights. In fact the Finnish word "revontulet", a name for the aurora borealis or northern lights, can be translated as fire fox. So that evocative myth took on a special significance for the photographer of this northern night skyscape from Finnish Lapland near Kilpisjarvi Lake. The snowy scene is illuminated by moonlight. Saana, an iconic fell or mountain of Lapland, rises at the right in the background. But as the beautiful nothern lights danced overhead, the wild fire fox in the foreground enthusiastically ran around the photographer and his equipment, making it difficult to capture in this lucky single shot.
https://aurora-nights.co.uk/aurora-academy/what-are-the-northern-lights/sami-view-of-the-northern-lights/
https://science.nasa.gov/sun/auroras/

https://apod.nasa.gov/apod/ap251212.html

#space #earth #aurora #astrophotography #photography #NASA #science #physics #nature #education #4sAur #apod

Alt...

2025 December 12 Northern Fox Fires * Image Credit & Copyright: Dennis Lehtonen Explanation: In a Finnish myth, when an arctic fox runs so fast that its bushy tail brushes the mountains, flaming sparks are cast into the heavens creating the northern lights. In fact the Finnish word "revontulet", a name for the aurora borealis or northern lights, can be translated as fire fox. So that evocative myth took on a special significance for the photographer of this northern night skyscape from Finnish Lapland near Kilpisjarvi Lake. The snowy scene is illuminated by moonlight. Saana, an iconic fell or mountain of Lapland, rises at the right in the background. But as the beautiful nothern lights danced overhead, the wild fire fox in the foreground enthusiastically ran around the photographer and his equipment, making it difficult to capture in this lucky single shot. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U.

2023 November 17

Nightlights in Qeqertaq
* Image Credit & Copyright: Dennis Lehtonen
https://denniina.com/

Explanation:
Light pollution is usually not a problem in Qeqertaq. In western Greenland the remote coastal village boasted a population of 114 in 2020. Lights still shine in its dark skies though. During planet Earth's recent intense geomagnetic storm, on November 6 these beautiful curtains of aurora borealis fell over the arctic realm. On the eve of the coming weeks of polar night at 70 degrees north latitude, the inspiring display of northern lights is reflected in the waters of Disko Bay. In this view from the isolated settlement a lone iceberg is illuminated by shore lights as it drifts across the icy sea.
https://denniina.com/gallery/23-24
https://www.instagram.com/p/CzVRGZlMyu_/
https://www.timeanddate.com/astronomy/polar-night.html
https://science.nasa.gov/earth/earth-observatory/thinning-of-the-northeast-greenland-ice-stream-150801/

https://apod.nasa.gov/apod/fap/ap251212.html

#space #earth #aurora #astrophotography #photography #NASA #science #physics #nature #education #4sAur

Alt...

2023 November 17 Nightlights in Qeqertaq * Image Credit & Copyright: Dennis Lehtonen Explanation: Light pollution is usually not a problem in Qeqertaq. In western Greenland the remote coastal village boasted a population of 114 in 2020. Lights still shine in its dark skies though. During planet Earth's recent intense geomagnetic storm, on November 6 these beautiful curtains of aurora borealis fell over the arctic realm. On the eve of the coming weeks of polar night at 70 degrees north latitude, the inspiring display of northern lights is reflected in the waters of Disko Bay. In this view from the isolated settlement a lone iceberg is illuminated by shore lights as it drifts across the icy sea. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U.

"Hey,
may i take you on a ride through the twilight into the night sky?? OK, buckle up and off we go .. if you dare to!"

2025 December 8

Flying Over the Earth at Night
* Video Credit: Gateway to Astronaut Photography, NASA
https://eol.jsc.nasa.gov/
http://www.nasa.gov/
* Compilation: David Peterson https://www.youtube.com/user/Bitmeizer
* Music: Freedom Fighters (Two Steps from Hell)
https://en.wikipedia.org/wiki/Two_Steps_from_Hell

Explanation:
Many wonders are visible when flying over the Earth at night. A compilation of such visual spectacles was captured recently from the International Space Station (ISS) and set to rousing music. Passing below are white clouds, orange city lights, lightning flashes in thunderstorms, and dark blue seas. On the horizon is the golden haze of Earth's thin atmosphere, frequently decorated by dancing auroras as the video progresses. The green parts of auroras typically remain below the space station, but the station flies right through the red and purple auroral peaks. Solar panels of the ISS are seen around the frame edges. The ominous wave of approaching brightness at the end of each sequence is just the dawn of the sunlit half of Earth, a dawn that occurs every 90 minutes.

https://apod.nasa.gov/apod/ap251208.html

#space #earth #aurora #iss #astrophotography #photography #NASA #science #physics #nature #education #apod

Alt...

2025 December 8 Flying Over the Earth at Night * Video Credit: Gateway to Astronaut Photography, NASA * Compilation: David Peterson (YouTube) * Music: Freedom Fighters (Two Steps from Hell) Explanation: Many wonders are visible when flying over the Earth at night. A compilation of such visual spectacles was captured recently from the International Space Station (ISS) and set to rousing music. Passing below are white clouds, orange city lights, lightning flashes in thunderstorms, and dark blue seas. On the horizon is the golden haze of Earth's thin atmosphere, frequently decorated by dancing auroras as the video progresses. The green parts of auroras typically remain below the space station, but the station flies right through the red and purple auroral peaks. Solar panels of the ISS are seen around the frame edges. The ominous wave of approaching brightness at the end of each sequence is just the dawn of the sunlit half of Earth, a dawn that occurs every 90 minutes. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Phillip Newman Specific rights apply. NASA Web Privacy Policy and Important Notices A service of: ASD at NASA / GSFC & Michigan Tech. U.

2025 December 6

Apollo 17 at Shorty Crater
* Apollo 17 Crew, NASA
https://apollojournals.org/
https://www.nasa.gov/

Explanation:
Fifty three years ago, in December of 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours on the Moon exploring the Taurus-Littrow valley, while colleague Ronald Evans orbited overhead. This snapshot from another world was taken by Cernan as he and Schmitt roamed the lunar valley's floor. The image shows Schmitt next to the lunar rover parked at the southeast rim of Shorty Crater. That location is near the spot where geologist Schmitt discovered orange lunar soil. The Apollo 17 crew returned with 110 kilograms of rock and soil samples, more than was returned from any of the other lunar landing sites. And for now, Cernan and Schmitt are the last to walk on the Moon.
https://www.lpi.usra.edu/lunar/missions/apollo/apollo_17/
https://www.nasa.gov/history/alsj-and-afj/
https://apollojournals.org/alsj/a17/a17.landing.html
https://apollojournals.org/afj/ap17fj/14_day05_part4.html
https://apollojournals.org/alsj/a17/AS17-137-21009HR.jpg
https://apod.nasa.gov/apod/ap250328.html
https://apod.nasa.gov/apod/ap040605.html
https://lroc.im-ldi.com/images/417
https://en.wikipedia.org/wiki/Shorty_(crater)
https://apod.nasa.gov/apod/ap010523.html
https://www.lpi.usra.edu/lunar/missions/apollo/apollo_17/samples/
https://www.nasa.gov/humans-in-space/artemis/

https://apod.nasa.gov/apod/fap/ap251206.html

#space #moon #astrophotography #photography #science #astronomy #nature #NASA #education #apod

Alt...

2025 December 6 Apollo 17 at Shorty Crater * Apollo 17 Crew, NASA Explanation: Fifty three years ago, in December of 1972, Apollo 17 astronauts Eugene Cernan and Harrison Schmitt spent about 75 hours on the Moon exploring the Taurus-Littrow valley, while colleague Ronald Evans orbited overhead. This snapshot from another world was taken by Cernan as he and Schmitt roamed the lunar valley's floor. The image shows Schmitt next to the lunar rover parked at the southeast rim of Shorty Crater. That location is near the spot where geologist Schmitt discovered orange lunar soil. The Apollo 17 crew returned with 110 kilograms of rock and soil samples, more than was returned from any of the other lunar landing sites. And for now, Cernan and Schmitt are the last to walk on the Moon. Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U.

Art history is too important to be the preserve of the privileged.
The subject is endangered at A level just as it couldn’t be more essential. What can be done to save it in British schools?
To those certain of its value, defending art history can seem unnecessary, if not absurd. Art, architecture and objects left behind by people who lived before are elemental; they are the history of us.
https://apollo-magazine.com/art-history-privilege-endangered-a-level-teaching-visual-literacy/ #globalmuseum #art #education

Alt...

Comment An Art History Link-Up class at the Courtauld, London. Photo: Ed Hands; courtesy Art History Link-Up

Sonification of WR 124

The first movement is a prelude to the potential birth of a black hole. WR124 is an extremely bright, short-lived massive star known as a Wolf-Rayet at a distance of about 28,000 light-years from Earth. These stars fling their outer layers out into space, creating spectacular arrangements seen in an image in infrared light from the Webb telescope. In the sonification of WR124, this nebula is heard as flutes and the background stars as bells. At the center of WR124, where the scan begins before moving outward, is a hot core of the star that may explode as a supernova and potentially collapse and leave behind a black hole in its wake. As the scan moves from the center outward, X-ray sources detected by Chandra are translated into harp sounds. Data from NASA’s James Webb Space Telescope is heard as metallic bell-like sounds, while the light of the central star is mapped to produce the descending scream-like sound at the beginning. The piece is rounded out by strings playing additional data from the infrared telescopic trio of ESA’s (European Space Agency’s) Herschel Space Telescope, NASA’s retired Spitzer Space Telescope, and NASA’s retired Wide Image Survey Explorer (WISE) as chords.

Credit: X-ray: NASA/CXC/SAO; Infrared: (Herschel) ESA/NASA/Caltech, (Spitzer) NASA/JPL/Caltech, (WISE) NASA/JPL/Caltech; Infrared: NASA/ESA/CSA/STScI/Webb ERO Production Team; Image processing: NASA/CXC/SAO/J. Major; Sonification: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)

#space #galaxy #sonification #sound #acoustic #astrophotography #photography #science #astronomy #nature #education #NASA

TOPIC> Sounds Of The Universe

"Hello everyone! In this topic, the visual stimuli are in the background, even if there will certainly be one or two beautiful pictures to see. Rather, it is about special sounds on our planet and elsewhere in space and acoustic representations of astronomical constellations, so-called sonifications. I really hope to bring a little joy to our visually impaired friends of the Fediverse with this collection and I am very grateful for any inspiration or suggestions for improvement from you!"

2024 March 25

Sonified: The Jellyfish Nebula Supernova Remnant
* Image Credit: X-ray (blue): Chandra (NASA) & ROSAT (ESA); Optical (red): DSS (NSF)
* Radio (green): VLA (NRAO, NSF)
* Sonification: NASA, CXC, SAO, K. Arcand
https://pweb.cfa.harvard.edu/people/kimberly-k-arcand
* SYSTEM Sounds: M. Russo, A. Santaguida)
https://www.astromattrusso.com/
https://science.nasa.gov/mission/hubble/multimedia/sonifications/

Explanation:
What does a supernova remnant sound like? Although sound is a compression wave in matter and does not carry into empty space, interpretive sound can help listeners appreciate and understand a visual image of a supernova remnant in a new way. Recently, the Jellyfish Nebula (IC 443) has been sonified quite creatively. In the featured sound-enhanced video, when an imaginary line passes over a star, the sound of a drop falling into water is played, a sound particularly relevant to the nebula's aquatic namesake. Additionally, when the descending line crosses gas that glows red, a low tone is played, while green sounds a middle tone, and blue produces a tone with a relatively high pitch. Light from the supernova that created the Jellyfish Nebula left approximately 35,000 years ago, when humanity was in the stone age. The nebula will slowly disperse over the next million years, although the explosion also created a dense neutron star which will remain indefinitely.

https://apod.nasa.gov/apod/ap240325.html

#space #nebula #sonification #sound #astrophotography #photography #science #astronomy #nature #education

"Well, that sounded like a concert in a cosmic stalactite cave and leads us back to the bottom of our earthly seas. This and the next three posts are about very special sounds from the depths of the oceans!"

2010 April 27

The Bloop: A Mysterious
Sound from the Deep Ocean
* Credit: NOAA, SOSUS
https://www.pmel.noaa.gov/eoi/
https://irp.fas.org/program/collect/sosus.htm

Explanation: What created this strange sound in Earth's Pacific Ocean? Pictured above is a visual representation of a loud and unusual sound, dubbed a Bloop, captured by deep sea microphones in 1997. In the above graph, time is shown on the horizontal axis, deep pitch is shown on the vertical axis, and brightness designates loudness. Although Bloops are some of the loudest sounds of any type ever recorded in Earth's oceans, their origin remains unknown. The Bloop sound was placed as occurring several times off the southern coast of South America and was audible 5,000 kilometers away. Although the sound has similarities to those vocalized by living organisms, not even a blue whale is large enough to croon this loud. The sounds point to the intriguing hypothesis that even larger life forms lurk in the unexplored darkness of Earth's deep oceans. A less imagination-inspiring possibility, however, is that the sounds resulted from some sort of iceberg calving. No further Bloops have been heard since 1997, although other loud and unexplained sounds have been recorded.

https://apod.nasa.gov/apod/ap100427.html

Original icequake (bloop) sound:
The broad spectrum sounds recorded in the summer of 1997 are consistent with icequakes generated by large icebergs as they crack and fracture. NOAA hydrophones deployed in the Scotia Sea detected numerous icequakes with spectrograms very similar to “Bloop”. Recorded signal sped up 16 times.

[...]

https://www.pmel.noaa.gov/acoustics/specs_cryogenic.html

CREDIT
DOC / NOAA/ OAR / PMEL / Acoustics Program

#space #earth #sonification #sound #graph #science #marinegeology #nature #climate #education

Alt...

Original icequake (bloop) sound: The broad spectrum sounds recorded in the summer of 1997 are consistent with icequakes generated by large icebergs as they crack and fracture. NOAA hydrophones deployed in the Scotia Sea detected numerous icequakes with spectrograms very similar to “Bloop”. Recorded signal sped up 16 times.

[...]

Iceberg Grounding on Seafloor (Slow Down)

The sound slowly descends in frequency over about 7 minutes as the drifting iceberg slows to a stop once it comes in contact with the seafloor. Recorded signal sped up 16 times.

[...]

https://www.pmel.noaa.gov/acoustics/specs_cryogenic.html

CREDIT
DOC / NOAA/ OAR / PMEL / Acoustics Program

#space #earth #iceberg #sonification #sound #acoustic #graph #science #marinegeology #nature #climate #education

Alt...

Iceberg Grounding on Seafloor (Slow Down): The sound slowly descends in frequency over about 7 minutes as the drifting iceberg slows to a stop once it comes in contact with the seafloor. Recorded signal sped up 16 times. CREDIT DOC / NOAA/ OAR / PMEL / Acoustics Program

[...]

Iceberg Harmonic Tremor

Generated by iceberg in contact with the seafloor or other iceberg. This spectrogram has a fundamental frequency of 40 Hz, with a 40 Hz overtone spacing. Multiple overtones are visible in the spectrogram. Audio sped up 3X normal.

[...]

https://www.pmel.noaa.gov/acoustics/specs_cryogenic.html

CREDIT
DOC / NOAA/ OAR / PMEL / Acoustics Program

#space #earth #sonification #sound #graph #science #marinegeology #nature #climate #education

Alt...

Iceberg Harmonic Tremor: Generated by iceberg in contact with the seafloor or other iceberg. This spectrogram has a fundamental frequency of 40 Hz, with a 40 Hz overtone spacing. Multiple overtones are visible in the spectrogram. Audio sped up 3X normal. CREDIT DOC / NOAA/ OAR / PMEL / Acoustics Program

[...]

Calving

Spectrogram of an iceberg calving (large section of iceberg breaking off) while adrift. The calving signal is short duration, broad band from 1-440 Hz generated by ice cracking and crack propagation. Audio sped up 3X normal.

https://www.pmel.noaa.gov/acoustics/specs_cryogenic.html

CREDIT
DOC / NOAA/ OAR / PMEL / Acoustics Program

#space #earth #iceberg #sonification #sound #acoustic #graph #science #marinegeology #nature #climate #education

Alt...

Calving: Spectrogram of an iceberg calving (large section of iceberg breaking off) while adrift. The calving signal is short duration, broad band from 1-440 Hz generated by ice cracking and crack propagation. Audio sped up 3X normal. CREDIT DOC / NOAA/ OAR / PMEL / Acoustics Program