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Warmer water is flowing toward the East Antarctic ice sheet, according to our alarming new research that reveals new potential drivers of global sea level rise. Author Laura Herraiz Borreguero Physical oceanographer, CSIRO Alberto Naveira Garabato Professor, National Center for Oceanography, University of Southampton Jess Melbourne-Thomas Transdisciplinary Researcher & Knowledge Broker, CSIRO The research, published today in Nature Climate Change, suggests changes in water circulation in the Southern Ocean could jeopardize the stability of the East Antarctic ice sheet. The ice sheet, the size of the United States, is the largest in the world. Changes in water circulation are caused by shifting wind patterns, and are linked to factors including climate change. Warmer waters and rising sea levels can damage marine life and threaten human coastal settlements. Our findings underscore the urgency of limiting global warming to below 1.5℃, to prevent the most catastrophic...

Australian startup Hysata, which says it has developed the world’s most efficient electrolyzer, has raised A$42.5 million ($29.4 million) in an oversubscribed Series A funding round. The money will be used to develop the company’s team and “develop a pilot manufacturing facility” for the innovative “capillary” technology, which it says will be able to deliver “the world’s lowest-cost green hydrogen” due to its superior efficiency. . In simple terms, the biggest element of the levelised cost of green hydrogen (LCOH) is the cost of renewable electricity used, so that less power is required for the electrolyzer to produce every kilogram of H 2 the lower the LCOH. Hysata says the capillary-fed electrolyzer (CFE) only requires 41.5 kWh of electricity per kg of hydrogen. The industry benchmark for highly efficient electrolyzers is 50kWh/kg. “Hysata’s electrolyzers operate at 95% system efficiency (41.5 kWh/kg), delivering a huge ...

It’s not often that shows aimed at young children get an audience outside of their age group. Yes, many tired parents and siblings end up watching programs about animated characters, over and over again, often when there’s plenty of superior stuff for them to watch, while entertaining little ones. But shows that not only appeal to fussy toddlers, but also their family members and even people who have no reason to watch children’s TV — heck, even awarding voters and “best” list writers — is definitely not the norm. Picture: Bluey and Bingo make Daddy play the game he hates the most, sheepdog. photo: BBC But Bluey is one such event. A co-production between the Australian Broadcasting Corporation and the BBC, Bluey is set in Australia and is about the life of the eponymous Bluey, a blue heel pup, his younger sister Bingo and parents Bandit and Chilli. Having first aired in 2018, it won acclaim – the first series became ...

The largest shark in our oceans already has a reputation for being gentle giants, and it seems there are more than we ever realized. whale shark ( Typhoid rhino ) is a filter feeder, considered carefully combing the water for small animals such as krill. Among the litany of small swimmers they take are leafy greens made up of algae and other photosynthetic organisms. It’s unavoidable, but researchers wonder if this vegetation is just a garnish for carnivores, or if it provides the side salad needed to keep them swimming. Researchers examining dirt and skin samples identified what these 10-meter (32-foot) long sea hoovers were actually taking advantage of from the giant pool of water they breathed through their system. “The droppings suggest that they ate krill,” said University of Tasmania marine biologist Patti Virtue. “But they don’t metabolize much.” In contrast, whale sharks, which are true sharks with cartilage instead of bones, seem to extract...

The Hornsdale Power Reserve in South Australia, aka the “Tesla big battery”, has finally won approval to become the world’s first large battery to provide grid-scale inertial service. The approval comes from the Australian Energy Market Operator after nearly two years of trial and error, and is considered another important step towards managing the electricity grid with 100 per cent renewable energy and no coal and gas generators in operation. The Hornsdale battery, which is owned by Neoen and expanded to 150MW/193MWh in 2020 to help provide this additional service, will be the first of many such batteries to operate on what is known as an “advanced” or “grid-shaping” inverter. This inverter is capable of providing many of the critical network services normally provided by thermal power, but requires detailed testing to help manage the transition from large spinning machines to precise digital technology. The Hornsdale battery uses Tesla...

Watching footage of Hurricane Katrina’s rescue at home — in fact, next door to where his mother still lives — Hulls came up with the idea of ​​a locator app. Getting funding isn’t easy – no one thought teens would own a cell phone. “That’s a good reason not to listen to investors,” he said. But he found the modal and, finally, the ASX list. Along the way, Hulls and his app have been at the center of debates about parenting style and privacy, as well as the target of social media campaigns, and even briefly, Australian tech lovers. But back to California. Hulls described the city’s tech precinct as a “ghost town”, emptied by pandemic-led remote work and sliding technology assessments. The changes are noticeable even to tourists: The Anchorage Hotel on Fisherman’s Wharf now has a concierge working from home for a week, for example. Hulls considers the sell-off in stock prices to be excessive. AFR AFR Weekend was in a meeting at ...

Australia has some impressive solar PV credentials, including the use of world-leading technology by households and businesses and world-renowned and ongoing contributions to research and development. But can we make the stuff? It’s a question that comes up frequently, these days, when the newly elected Labor government talks about reviving Australian manufacturing, as fossil fuel costs send grid prices soaring, and when war at the height of the pandemic disrupts supply chains as does the shift to energy. renewable. need to shift some gears. In announcing the Alba government’s $45 million extension of funding for the Australian Center for Advanced Photovoltaics last month, federal energy minister Chris Bowen measured the solar challenge. “Solar panels all over the world, the technology that is in them, is not a little to be found here [at the University of New South Wales] and at other Australian universities. That’s something we can be proud of. But we have to...

Preparing for “pure madness” in the saddle is a dream come true for Queenslander Sarah Carroll, who will take the reins in the world’s toughest and longest horse race. Carroll is one of only 40 riders selected from around the world to take part in next month’s Mongolian Derby. Riders will find their way through 1,000 kilometers of Mongolian steppes while changing horses every 40 kilometers. “The premise is probably pure madness and not for the faint of heart because only about 50 percent make it to the finish line,” Carroll said. Riders start together as they travel 1,000. ( Provided: Richard Dunwoody ) “I have a motto from Mike Tyson which is ‘everyone has a plan until they get a punch in the face’ so you can prepare as much as you want but you don’t know what will happen.” The annual adventure race follows the world’s first long-distance postal transmission route, established by Genghis Khan in 1224. “You ...

Research led by Monash University and RMIT in Melbourne have figured out how to create advanced photonic integrated circuits that build bridges between data superhighways, revolutionizing the connectivity of today’s optical chips and replacing bulky 3D optics with thin slices of silicon wafers. This development, published in the prestigious journal Nature Photonics has the ability to accelerate the global advancement of artificial intelligence and offers significant real-world applications such as: Safer driverless cars capable of instantly interpreting their surroundings Enable AI to diagnose medical conditions faster Makes natural language processing faster for apps like Google Homes, Alexa, and Siri. Smaller switch to reconfigure the optical network that carries our internet to get data where it is needed faster Whether it’s turning on the TV or keeping the satellites on track, photonics (the science of light) is changing the way we live. Photonic chips can turn large b...

Melbourne-based research has led to the creation of a self-calibrated photonic chip. Research led by Monash University and RMIT in Melbourne has found a way to replace bulky 3D optics with silicon chips. “We have demonstrated a self-calibrating self-programmable photonic filter chip featuring a signal processing core and an integrated reference path for self-calibration,” explains Monash University’s ARC-winning lead researcher Professor Arthur Lowery. “Self-calibration is very important because it makes tunable photonic integrated circuits useful in the real world; applications include optical communication systems that redirect signals to destinations based on their color, very fast similarity calculations (correlators), scientific instrumentation for chemical or biological analysis, and even astronomy. “Electronics saw a similar improvement in radio filter stability using digital techniques, which led to many phones being able to share the same slice of ...

Nature Photonics (2022). DOI: 10.1038/s41566-022-01020-z”> Nature Photonics (2022). DOI: 10.1038/s41566-022-01020-z” width=”800″ height=”530″/> Conceptual diagram of a self-calibrating integrated broadband PIC. Credit: Xingyuan Xu et al, Nature Photonics (2022). DOI: 10.1038/s41566-022-01020-z Research led by Monash and RMIT University in Melbourne has found a way to create advanced photonic integrated circuits that build bridges between data superhighways, revolutionizing the connectivity of today’s optical chips and replacing bulky 3D optics with thin slices of silicon wafers. This development, published in the journal Nature Photonics has the ability to accelerate the global advancement of artificial intelligence and offers significant real-world applications such as: Safer driverless cars capable of instantly interpreting their surroundings Enable AI to diagnose medical conditions faste...