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Australia’s two most populous states are trialling facial recognition software that lets police check people are home during COVID-19 quarantine, expanding trials that have sparked controversy to the vast majority of the country’s population.

Little-known tech firm Genvis said on a website for its software that New South Wales (NSW) and Victoria, home to Sydney, Melbourne and more than half of Australia’s 25 million population, were trialling its facial recognition products. Genvis said the trials were being conducted on a voluntary basis.

The Perth, Western Australia-based startup developed the software in 2020 with WA state police to help enforce pandemic movement restrictions, and has said it hopes to sell its services abroad.

South Australia state began trialling a similar, non-Genvis technology last month, sparking warnings from privacy advocates around the world about potential surveillance overreach. The involvement of New South Wales and Victoria, which have not disclosed that they are trialling facial recognition technology, may amplify those concerns.

NSW Premier Gladys Berejiklian said in an email the state was “close to piloting some home quarantine options for returning Australians”, without directly responding to questions about Genvis facial recognition software. Police in NSW referred questions to the state premier.

Victoria Police referred questions to the Victorian Health department, which did not respond to requests for comment.

Under the system being trialled, people respond to random check-in requests by taking a ‘selfie’ at their designated home quarantine address. If the software, which also collects location data, does not verify the image against a “facial signature”, police may follow up with a visit to the location to confirm the person’s whereabouts.

Though the technology has been used in WA since last November, it has more recently been pitched as a tool to enable the country to reopen its borders, ending a system in place since the start of the pandemic that requires international arrivals to spend two weeks in hotel quarantine under police guard.

Aside from the pandemic, police forces have expressed interest in using facial recognition software, prompting a backlash from rights groups about the potential to target minority groups.

While the recognition technology has been used in countries like China, no other democracy has been reported as considering its use in connection with coronavirus containment procedures.

‘Keep communities safe’

Genvis Chief Executive Kirstin Butcher declined to comment on the trials, beyond the disclosures on the product website.

“You can’t have home quarantine without compliance checks, if you’re looking to keep communities safe,” she said in a phone interview.

“You can’t perform physical compliance checks at the scale needed to support (social and economic) re-opening plans so technology has to be used.”

But rights advocates warned the technology may be inaccurate, and may open the window for law enforcement agencies to use people’s data for other purposes without specific laws stopping them.

“I’m troubled not just by the use here but by the fact this is an example of the creeping use of this sort of technology in our lives,” said Toby Walsh, a professor of Artificial Intelligence at University of NSW.

Walsh questioned the reliability of facial recognition technology in general, which he said could be hacked to give false location reports.

“Even if it works here … then it validates the idea that facial recognition is a good thing,” he said. “Where does it end?”

The government of Western Australia has said it banned police from using data collected by COVID-related software for non-COVID matters. The WA police say they have put 97,000 people through home quarantine, using facial recognition, without incident.

“The law should prevent a system for monitoring quarantine being used for other purposes,” said Edward Santow, a former Australian Human Rights Commissioner who now leads an artificial intelligence ethics project at University of Technology, Sydney.

“Facial recognition technology might seem like a convenient way to monitor people in quarantine but … if something goes wrong with this technology, the risk of harm is high.”

© Thomson Reuters 2021


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T Corona Borealis May Erupt Soon: Rare Nova Could Be Visible to Naked Eye

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T Corona Borealis May Erupt Soon: Rare Nova Could Be Visible to Naked Eye

T Corona Borealis is a binary star system in the Northern Crown constellation which is being monitored closely by astronomers worldwide for signs of a rare stellar eruption. The system consists of a white dwarf and a red giant orbiting each other with the white dwarf pulling material from its companion. The gradual accumulation of matter on the surface of dwarf white planet can lead to a thermonuclear explosion, known as a Nova. Scientists recorded the last erupted Nova in 1946. Now, there have been some indications that we might experience another nova outburst in the near future.

The researchers have recorded a brightening event in 2015 followed by a dimming in 2023, which has mirrored the pattern seen in the last eruption. This leads the experts to believe that there might be another nova outburt. If an eruption occurs T Corona Borealis could become visible to the naked eye and shine as brightly as the most prominent stars.

Accretion Activity and Expert Predictions

According to a study published in the Monthly Notices of the Royal Astronomical Society, the system has exhibited behaviour similar to the years leading up to its previous eruption. T Corona Borealis is one of only eleven recurrent novae observed in recorded history with eruptions noted in 1217, 1787, 1866 and 1946. As per the latest data available with the researchers, the accretion disc surrounding the white dwarf has became highly active and bright between 2015 and 2023. The study reveals that this heightened activity could trigger an eruption within a year or two.

There are multiple predictions from the scientists based on orbital analysis suggesting possible eruption dates. As per multiple reports, the Nova outburst might take place between March 27 or November 10 this year or June 25, 2026. The researchers has also suggested a theory regarding a potential third object influencing the binary system. Astronomers like Dr Léa Planquart of Université de Strasbourg and Dr Jeremy Shears of the British Astronomical Association have dismissed this theory citing the absence of supporting evidence. Both experts believe the activity of the accretion disc remains the most likely cause of an impending eruption.

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Scientists Spot a Key Difference in Matter and Antimatter Decay

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Scientists Spot a Key Difference in Matter and Antimatter Decay

A key difference has been observed in the behaviour of matter and antimatter particles by researchers working at a particle physics laboratory. A new measurement has been carried out that recorded the decay of a specific type of matter particle and its antimatter equivalent. This development is being seen as significant because it may explain why the universe is filled with matter while antimatter is nearly absent. The discovery has been described as a step towards solving one of physics’ biggest mysteries.

New Study Reveals Baryon Decay Difference

According to the research shared by the LHCb experiment at CERN and posted on the arXiv preprint server, a difference has been recorded in how a particle called the beauty-lambda baryon and its antimatter counterpart decay. These particles belong to the proton family and are classified as baryons. The report further added that the decay was observed into a proton and three mesons based on data collected between 2009 and 2018.

The evidence suggests that the decay of the beauty-lambda baryon differs from its antimatter twin. According to sources involved in the study the likelihood of this difference being a random occurrence is less than one in three million. Tim Gershon who is a particle physicist at the University of Warwick and part of the research team told Nature that this is the first time such a difference has been spotted in baryons.

Experts Say Findings Could Aid Understanding of Matter’s Prevalence

Tara Shears who is a particle physicist at the University of Liverpool stated to Nature that the observation could offer new insight into why matter is found in abundance while antimatter is not. She said that this imbalance is one of the major unresolved questions in physics.

Yuval Grossman a theoretical physicist from Cornell University mentioned to Nature that while the current measurement does not fully explain the imbalance it helps add a crucial piece to the puzzle.

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China Loses 26 Percent of Its Glaciers Due to Global Warming, Claims New Study

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China Loses 26 Percent of Its Glaciers Due to Global Warming, Claims New Study

China has reportedly witnessed a significant decline in glacier area over the last six decades. As per a new study published online,  the country has lost nearly 26 percent of its total glacier coverage since the 1960s. The study claims that the lost of such glacier area might be due to the rapid increase in global temperatures around the globe. Official data confirmed that close to 7000 small glaciers have entirely vanished from the landscape. The shrinking of glacier masses has been observed to accelerate over the past few years as warming trends continue to intensify.

Glacier Loss Confirmed by Chinese Academy of Sciences

According to a study released by the Northwest Institute of Eco-Environment and Resources under the Chinese Academy of Sciences it was recorded that China’s glacier area had reduced to nearly 46000 square kilometres by 2020. The total number of glaciers was stated to be around 69000 at that time. This marked a steep fall from an earlier figure of approximately 59000 square kilometres reported between 1960 and 1980 when glacier count stood at roughly 46000.

Impact of Glacier Retreat on Water Security and Environment

The melting of glaciers has raised concerns over freshwater availability across several regions. Environmental agencies have cautioned that the loss of glacier mass may result in higher competition for water resources in the years to come. The Tibetan Plateau which hosts a large portion of these glaciers has been referred to as the Third Pole owing to the vast ice reserves it holds.

Efforts to Slow Glacier Melting

Attempts have been made by Chinese authorities to slow the melting process through technological interventions. Artificial snow systems and snow blankets have been deployed as part of these initiatives.

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