The vast expanse of the universe, with its stars, galaxies, planets, comets, and asteroids, is often associated with silence. However, a fascinating aspect of the cosmos is that certain objects within our solar system emit sounds – sounds that are often beyond human hearing but can be captured and translated into audible frequencies using sophisticated space agency tools like NASA's.

This novel technique, known as data sonification, takes the digital data collected by space instruments and transforms it into sound, said NASA in its<a href="https://science.nasa.gov/mission/hubble/multimedia/sonifications/"> report</a>.

NASA has compiled a captivating playlist of these space sonifications, providing a unique auditory experience that offers a fresh perspective on the universe.

<a href="https://www.wionews.com/science/nisar-in-a-first-nasa-and-isro-to-collaboratively-launch-earth-observing-satellite-in-2024-654044">Also read |&nbsp;NISAR: In a first, NASA and ISRO to collaboratively launch earth-observing satellite in 2024</a>

<h2>NASA's playlist</h2>

From Mercury to Jupiter, NASA's playlist includes eerie sounds captured by the Hubble Space Telescope and other space instruments.

Among these celestial auditory offerings is the haunting resonance of a supermassive black hole, an awe-inspiring sound originating from a location 250 million light years away.

This process of converting light and data into sound is not merely for the sake of creating an auditory spectacle; it serves a crucial scientific purpose.

Data sonification enables scientists to uncover hidden details of the universe that may have otherwise eluded them. For instance, Mars, a planet lacking a robust magnetic field, produces the eerie sounds of its winds as dust devils dance across its dusty terrain.

Jupiter's moons Europa and Ganymede contribute to the cosmic symphony by emitting plasma sounds that resemble robotic blips and bleeps. These intriguing sounds offer valuable insights into the mysterious workings of these celestial bodies.

<a href="https://www.wionews.com/science/guide-for-skygazers-november-night-sky-to-bring-meteor-showers-stunning-views-of-jupiter-and-moon-653961">Also read |&nbsp;Guide for skygazers: November night sky to bring meteor showers, stunning views of Jupiter and Moon</a>

Even our home planet has a place in this cosmic orchestra, offering sounds reminiscent of birdsong or the haunting calls of whales. Saturn, with its majestic rings, contributes a soundscape that could easily be the score of a science fiction movie.

NASA explains the process of converting digital data into sound, where elements from the original image, such as brightness and position, are assigned specific pitches and volumes.

This transformation provides a new way to experience and conceptualise astronomical data.&nbsp;

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The vast expanse of the universe, with its stars, galaxies, planets, comets, and asteroids, is often associated with silence. However, a fascinating aspect of the cosmos is that certain objects within our solar system emit sounds – sounds that are often beyond human hearing but can be captured and translated into audible frequencies using sophisticated space agency tools like NASA's.

The vast expanse of the universe, with its stars, galaxies, planets, comets, and asteroids, is often associated with silence. However, a fascinating aspect of the cosmos is that certain objects within our solar system emit sounds – sounds that are often beyond human hearing but can be captured and translated into audible frequencies using sophisticated space agency tools like NASA's. This novel technique, known as data sonification, takes the digital data collected by space instruments and transforms it into sound, said NASA in its report. NASA has compiled a captivating playlist of these space sonifications, providing a unique auditory experience that offers a fresh perspective on the universe. Also read | NISAR: In a first, NASA and ISRO to collaboratively launch earth-observing satellite in 2024 NASA's playlist From Mercury to Jupiter, NASA's playlist includes eerie sounds captured by the Hubble Space Telescope and other space instruments. Among these celestial auditory offerings is the haunting resonance of a supermassive black hole, an awe-inspiring sound originating from a location 250 million light years away. This process of converting light and data into sound is not merely for the sake of creating an auditory spectacle; it serves a crucial scientific purpose. Data sonification enables scientists to uncover hidden details of the universe that may have otherwise eluded them. For instance, Mars, a planet lacking a robust magnetic field, produces the eerie sounds of its winds as dust devils dance across its dusty terrain. Jupiter's moons Europa and Ganymede contribute to the cosmic symphony by emitting plasma sounds that resemble robotic blips and bleeps. These intriguing sounds offer valuable insights into the mysterious workings of these celestial bodies. Also read | Guide for skygazers: November night sky to bring meteor showers, stunning views of Jupiter and Moon Even our home planet has a place in this cosmic orchestra, offering sounds reminiscent of birdsong or the haunting calls of whales. Saturn, with its majestic rings, contributes a soundscape that could easily be the score of a science fiction movie. NASA explains the process of converting digital data into sound, where elements from the original image, such as brightness and position, are assigned specific pitches and volumes. This transformation provides a new way to experience and conceptualise astronomical data.

NASA releases playlist of eerie recordings from the solar system

An alarming revelation sheds light on the latest privacy onslaught caused by artificial intelligence as a groundbreaking study has uncovered a startling method that could jeopardise user passwords. Researchers have devised a way to train a sophisticated deep-learning model to covertly capture users' sensitive information like passwords by merely listening to the sounds of their keystrokes.

A team of researchers at Cornell University, unveiled on August 3, in their research paper how an ingenious combination of deep learning prowess and audio recording can crack the code of what users type with astonishing precision.

Termed a "sound-based side-channel attack," this covert data collection tactic ushers in&nbsp;a fresh modus operandi for cybercriminals seeking to pilfer users' personal information in the most surreptitious of ways.

Also Read | <a href="https://www.wionews.com/world/new-york-judge-dismisses-donald-trumps-counter-defamation-lawsuit-against-caroll-623276">New York judge dismisses Donald Trump’s counter defamation lawsuit against Caroll</a>

"When trained on keystrokes recorded by a nearby phone, the [software] achieved an accuracy of 95%, the highest accuracy seen without the use of a language model," articulate the researchers in the abstract of their paper.

This unprecedented success rate marks a watershed moment in the realm of silent data heists, leaving the cybersecurity community flabbergasted.

<h2>Algorithm behind it</h2>

The experiment started with researchers recording the acoustic signatures of keystrokes and harnessing these auditory patterns to coach an algorithm.

The algorithm, in turn, acquired the remarkable ability to deduce specific keystrokes based solely on their accompanying sounds. Once the keystrokes were interwoven with a data model, the accuracy of the deductions was nothing short of remarkable.

Also Read | <a href="https://www.wionews.com/india-news/who-issues-alert-over-contaminated-indian-made-cough-syrup-sold-in-iraq-623272">WHO issues alert over ‘contaminated’ Indian-made cough syrup sold in Iraq &nbsp;</a>

The efficacy of this technique is even higher when a user employs a mechanical keyboard, whose resounding clicks amplify the auditory signals far beyond the ordinary laptop keyboard's reach, the report said.&nbsp;

The researchers subjected their breakthrough method to rigorous trials over popular online communication platforms, such as Zoom and Skype.

Astonishingly, the algorithm managed to decode typing sounds with a staggering 93 per cent accuracy rate when recorded via Zoom, while the rate stood at an impressive 91 per cent when the audio emanated from Skype sessions.

<h2>So, what's the defence?&nbsp;&nbsp;</h2>

With these unsettling findings, the researchers offer defensive strategies for thwarting potential sonic snoopers.

Users are urged to diversify their typing styles or opt for randomised passwords to stymie the eavesdropping endeavours.

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An alarming revelation sheds light on the latest privacy onslaught caused by artificial intelligence as a groundbreaking study has uncovered a startling method that could jeopardise user passwords.

An alarming revelation sheds light on the latest privacy onslaught caused by artificial intelligence as a groundbreaking study has uncovered a startling method that could jeopardise user passwords. Researchers have devised a way to train a sophisticated deep-learning model to covertly capture users' sensitive information like passwords by merely listening to the sounds of their keystrokes. A team of researchers at Cornell University, unveiled on August 3, in their research paper how an ingenious combination of deep learning prowess and audio recording can crack the code of what users type with astonishing precision. Termed a "sound-based side-channel attack," this covert data collection tactic ushers in a fresh modus operandi for cybercriminals seeking to pilfer users' personal information in the most surreptitious of ways. Also Read | New York judge dismisses Donald Trump’s counter defamation lawsuit against Caroll "When trained on keystrokes recorded by a nearby phone, the [software] achieved an accuracy of 95%, the highest accuracy seen without the use of a language model," articulate the researchers in the abstract of their paper. This unprecedented success rate marks a watershed moment in the realm of silent data heists, leaving the cybersecurity community flabbergasted. Algorithm behind it The experiment started with researchers recording the acoustic signatures of keystrokes and harnessing these auditory patterns to coach an algorithm. The algorithm, in turn, acquired the remarkable ability to deduce specific keystrokes based solely on their accompanying sounds. Once the keystrokes were interwoven with a data model, the accuracy of the deductions was nothing short of remarkable. Also Read | WHO issues alert over ‘contaminated’ Indian-made cough syrup sold in Iraq The efficacy of this technique is even higher when a user employs a mechanical keyboard, whose resounding clicks amplify the auditory signals far beyond the ordinary laptop keyboard's reach, the report said. The researchers subjected their breakthrough method to rigorous trials over popular online communication platforms, such as Zoom and Skype. Astonishingly, the algorithm managed to decode typing sounds with a staggering 93 per cent accuracy rate when recorded via Zoom, while the rate stood at an impressive 91 per cent when the audio emanated from Skype sessions. So, what's the defence? With these unsettling findings, the researchers offer defensive strategies for thwarting potential sonic snoopers. Users are urged to diversify their typing styles or opt for randomised passwords to stymie the eavesdropping endeavours. Watch | China and Philippines spar in South China sea × Additionally, employing software that replicates keystroke sounds, white noise, or audio filters can introduce an element of confusion into the hackers' plans. WATCH WION LIVE HERE You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. ×

Researchers unleash AI's power to capture passwords through keystroke sounds

Scientists have detected a “strange” sound of “completely unknown origin” from Earther’s upper atmosphere —the stratosphere.

The sound was recorded by large 6-7-metre-long solar balloons carrying a microphone that was sent by a team of researchers from Sandia National Laboratories, US.

The stratosphere region— found around 31 miles (50 km) above the planet—is relatively calm and free of storms, turbulence and commercial air traffic.

But the scientists were left baffled when they heard through the microphone mysterious sounds that are said to have been repeated a few times per hour.

The sounds recorded were in the infrasound range, which is at the frequency range of 20 hertz (Hz) and lower, and well below the range of the human ears. The source is yet to be identified.

"There are mysterious infrasound signals that occur a few times per hour on some flights, but the source of these is completely unknown," Daniel Bowman of Sandia National Laboratories said in a statement.

The research team used a sound gathering device called microbarometers that are capable of detecting detect low-frequency sounds. It was initially designed to monitor volcanoes.

These sensors were carried aloft by balloons that the researchers built from common and inexpensive materials.

These solar balloons are powered by sunlight and have the capability to climb to altitudes of around 70,000 feet (13.3 miles) over Earth.&nbsp;

After the launch, the balloons were tracked using GPS, because they can often fly for hundreds of kilometres and may land in difficult terrains of the planet posing a challenge to locate it.

"Our balloons are basically giant plastic bags with some charcoal dust on the inside to make them dark," Bowman was quoted as saying by the CNN.

"We build them using painter's plastic from the hardware store, shipping tape, and charcoal powder from pyrotechnic supply stores. When the sun shines on the dark balloons, the air inside heats up and becomes buoyant."

Though the solar balloons offer greater access to record noise levels at lower frequency ranges since the whole Earth is accessible, they also present challenges for researchers. The stratosphere is a harsh environment with wild temperature fluctuations between heat and cold.

“Solar balloons are a bit sluggish, and we’ve wrecked a few on bushes when trying to launch them,” Bowman said.

“We’ve had to hike down into canyons and across mountains to get our payloads. Once, our Oklahoma State colleagues actually had a balloon land in a field, spend the night, and launch itself back in the air to fly another whole day!”

(With inputs from agencies)

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Scientists have detected a “strange” sound of “completely unknown origin” from Earther’s upper atmosphere —the stratosphere. The sound was recorded by large 6-7-metre-long solar balloons carrying a microphone that was sent by a team of researchers from Sandia National Laboratories, US.

Scientists have detected a “strange” sound of “completely unknown origin” from Earther’s upper atmosphere —the stratosphere. The sound was recorded by large 6-7-metre-long solar balloons carrying a microphone that was sent by a team of researchers from Sandia National Laboratories, US. The stratosphere region— found around 31 miles (50 km) above the planet—is relatively calm and free of storms, turbulence and commercial air traffic. But the scientists were left baffled when they heard through the microphone mysterious sounds that are said to have been repeated a few times per hour. The sounds recorded were in the infrasound range, which is at the frequency range of 20 hertz (Hz) and lower, and well below the range of the human ears. The source is yet to be identified. "There are mysterious infrasound signals that occur a few times per hour on some flights, but the source of these is completely unknown," Daniel Bowman of Sandia National Laboratories said in a statement. The research team used a sound gathering device called microbarometers that are capable of detecting detect low-frequency sounds. It was initially designed to monitor volcanoes. These sensors were carried aloft by balloons that the researchers built from common and inexpensive materials. These solar balloons are powered by sunlight and have the capability to climb to altitudes of around 70,000 feet (13.3 miles) over Earth. After the launch, the balloons were tracked using GPS, because they can often fly for hundreds of kilometres and may land in difficult terrains of the planet posing a challenge to locate it. "Our balloons are basically giant plastic bags with some charcoal dust on the inside to make them dark," Bowman was quoted as saying by the CNN. "We build them using painter's plastic from the hardware store, shipping tape, and charcoal powder from pyrotechnic supply stores. When the sun shines on the dark balloons, the air inside heats up and becomes buoyant." Though the solar balloons offer greater access to record noise levels at lower frequency ranges since the whole Earth is accessible, they also present challenges for researchers. The stratosphere is a harsh environment with wild temperature fluctuations between heat and cold. “Solar balloons are a bit sluggish, and we’ve wrecked a few on bushes when trying to launch them,” Bowman said. “We’ve had to hike down into canyons and across mountains to get our payloads. Once, our Oklahoma State colleagues actually had a balloon land in a field, spend the night, and launch itself back in the air to fly another whole day!” (With inputs from agencies) WATCH WION LIVE HERE

Mysterious sounds recorded at Earth’s stratosphere leaves scientists puzzled

In some great news on the climate front, the Great barrier reef sees some recovery as hard coral cover grew to 36% in 2022. Coral reefs are at record levels.

Great barrier reef sees some recovery as hard coral cover grew to 36% in 2022

Coral reefs are vanishing from the ocean floor. Some experts are recording sounds from coral reefs to track their health.

Experts record sound from coral reef to track their health

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