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Categories: Engineering: Biometric, Geoscience: Volcanoes

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Archaeology: General Geoscience: Volcanoes
Published

Detailing a disastrous autumn day in ancient Italy      (via sciencedaily.com) 

The Plinian eruption of Mount Vesuvius around 4,000 years ago -- 2,000 years before the one that buried the Roman city of Pompeii -- left a remarkably intact glimpse into Early Bronze Age village life in the Campania region of Southern Italy. The village offers a rare glimpse into the lives of the people who lived there, and the degree of preservation led the researchers to pinpoint the timing of the eruption, based on archaeobotanical record.

Engineering: Biometric
Published

New report offers blueprint for regulation of facial recognition technology      (via sciencedaily.com) 

A new report outlines a model law for facial recognition technology to protect against harmful use of this technology, but also foster innovation for public benefit.

Engineering: Biometric
Published

How old is that fingerprint?      (via sciencedaily.com) 

Forensic dramas on TV make it seem easy to determine when fingerprints were left at the scene of a crime. In reality, the oils in fingerprints degrade over time, and it's difficult to figure out their age. Now, researchers have discovered molecular markers for changes to these oils over a seven-day time period -- information that could be used to estimate fingerprints' ages more accurately.

Geoscience: Earthquakes Geoscience: Volcanoes
Published

Earth's newest secret: How volcanoes really work      (via sciencedaily.com) 

It isn't every day that we learn something that fundamentally changes how we understand our world. But for volcanologists across the globe, such a revelation has occurred.

Geoscience: Earthquakes Geoscience: Volcanoes
Published

Wave created by Tonga volcano eruption reached 90 meters -- nine times taller than 2011 Japan tsunami      (via sciencedaily.com) 

New research reveals more about the magnitude of January eruption, as researchers call for better preparedness The eruption of the Hunga Tonga-Hunga Ha'apai volcano in January created an initial wave 90 meters high -- almost the height of the Statue of Liberty (93m). Tsunami expert calls for better warning systems to detect volcanic eruptions, saying systems are '30 years behind' comparable earthquake detection tools.

Geoscience: Volcanoes
Published

Risk of volcano catastrophe 'a roll of the dice'      (via sciencedaily.com) 

While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored -- despite much that could be done to reduce the risks, say researchers.

Geoscience: Volcanoes
Published

Risk of volcano catastrophe 'a roll of the dice', say experts      (via sciencedaily.com) 

While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored -- despite much that could be done to reduce the risks, say researchers.

Geoscience: Volcanoes
Published

Volcanic super eruptions are millions of years in the making -- followed by swift surge      (via sciencedaily.com) 

Researchers have discovered that super-eruptions occur when huge accumulations of magma deep in the Earth's crust, formed over millions of years, move rapidly to the surface disrupting pre-existing rock.

Engineering: Biometric
Published

Optical imaging of dynamic interactions between molecules in a cell      (via sciencedaily.com) 

Researchers develop the 'photoswitching fingerprint analysis'. A unique technology that for the first time allows the analysis of molecular processes and the regulation of individual proteins in living cells with sub-10 nm spatial resolution. The application ranges from biological to medical research.

Geoscience: Volcanoes
Published

Cloud study demystifies impact of aerosols      (via sciencedaily.com) 

Aerosol particles in the atmosphere have a bigger impact on cloud cover -- but less effect on cloud brightness -- than previously thought, new research shows.

Geoscience: Volcanoes
Published

New method can improve explosion detection      (via sciencedaily.com) 

Computers can be trained to better detect distant nuclear detonations, chemical blasts and volcano eruptions by learning from artificial explosion signals, according to a new method.

Geoscience: Earthquakes Geoscience: Volcanoes
Published

Shockwave caused by Tonga underwater eruption may help scientists predict future tsunami      (via sciencedaily.com) 

Using data from the eruption of the underwater volcano near Tonga in 2022, researchers used disturbances in Earth's upper atmosphere to track the airwaves that cause tsunami. Their findings may lead to speedier predictions of these giant waves.

Geoscience: Volcanoes
Published

Fiber optic sensing detects tremor from Icelandic subglacial volcano      (via sciencedaily.com) 

Researchers used a fiber optic cable on the ice cap of an Icelandic subglacial volcano to detect low-frequency volcanic tremor, suggesting this technology could be useful in monitoring other ice-covered volcano systems.

Geoscience: Volcanoes
Published

Volcano's eruption will help scientists plot weather, climate      (via sciencedaily.com) 

As it captivated people around the world, the January eruption of the Hunga Tonga-Hunga Ha'apai volcano gave scientists a once-in-a-lifetime chance to study how the atmosphere works, unlocking keys to better predict the weather and changing climate.

Geoscience: Volcanoes
Published

Tonga volcano eruption among the most powerful ever observed, triggering atmospheric gravity waves that reached the edge of space      (via sciencedaily.com) 

The eruption of the Hunga Tonga-Hunga Ha'apai submarine volcano in January 2022 was one of the most explosive volcanic events of the modern era, a new study has confirmed.

Geoscience: Volcanoes
Published

Iceland volcano eruption opens a rare window into the Earth beneath our feet      (via sciencedaily.com) 

The recent Fagradalsfjall eruption in the southwest of Iceland has enthralled the whole world, including nature lovers and scientists alike. The eruption was especially important as it provided geologists with a unique opportunity to study magmas that were accumulated in a deep crustal magma reservoir but ultimately derived from the Earth's mantle (below 20 km).

Engineering: Biometric
Published

Sniffing out your identity with breath biometrics      (via sciencedaily.com) 

Researchers have developed an artificial 'nose' that can identify individuals from their breath. Built with a 16-channel sensor array that can detect different compounds found in a person's breath, the olfactory sensor system has the potential to become another option in the biometric security toolkit. Combined with machine learning, the 'artificial nose' was able to authenticate up to 20 individuals with an average accuracy of more than 97%.

Engineering: Biometric
Published

Sensor imperfections are perfect for forensic camera analysis      (via sciencedaily.com) 

In a project aimed at developing intelligent tools to fight child exploitation, computer scientists have developed a system to analyze the noise produced by individual cameras. This information can be used to link a video or an image to a particular camera.

Geoscience: Volcanoes
Published

Scientists provide explanation for exceptional Tonga tsunami      (via sciencedaily.com) 

Scientists say they have identified the exact mechanism responsible for the exceptional tsunami that spread quickly across the world after the colossal eruption of the Tonga volcano earlier this year.

Computer Science: Encryption Engineering: Biometric
Published

Radio waves for the detection of hardware tampering      (via sciencedaily.com) 

Up to now, protecting hardware against manipulation has been a laborious business: expensive, and only possible on a small scale. And yet, two simple antennas might do the trick.