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A trickle of studies warning that the enormous variety of living things on Earth is diminishing has turned into a flood. The evidence for these losses within regions and globally is undeniable. But data on biodiversity, and what is causing its decline, is still patchy – restricted to some causes, some places and some species. That isn’t the case for birds in Europe, however.
Europe has lost over half a billion birds in 40 years. The single biggest cause? Pesticides and fertiliserst
Europe has lost over half a billion birds in 40 years. The single biggest cause? Pesticides and fertiliserst
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Scientists have successfully detected the X-ray signature of a single atom for the first time. Using a pioneering technique known as synchrotron X-ray scanning tunneling microscopy (SX-STM), the team was able to identify and characterize individual atoms, opening new possibilities in environmental, medical, and quantum research.
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Scientists have successfully designed the world’s first 2D microchip using synthetic materials.
SciTechDaily
A Thin Leap Forward: World’s First Functional 2D Microchip
The first demonstration of a functional microchip integrating atomically thin two-dimensional materials with exotic properties heralds a new era of microelectronics. The world’s first fully integrated and functional microchip based on exotic two-dimensional…
A scientist says spending 93 days underwater has turned back the aging clock and left him 10 years younger.
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Daily Mirror
Man spends 93 days at the bottom of the Atlantic - now he's 10 years younger - The Mirror
Retired naval officer Joseph Dituri has spent more than three months living inside a 100sqft pod in the depths of the Atlantic Ocean to research the effects of pressurised environements on the human body
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While we need to transition to greener vehicles as soon as possible, it’s still going to take a few decades. In the meantime, finding other ways to slurp up that air pollution is important, so why not turn to the most common building material in the world to help? In recent years scientists have developed concrete that can convert some of the nasties in the surrounding air into harmless products.
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New Atlas
Light-activated concrete scrubs air pollution out of traffic tunnels
Traffic is among the biggest sources of air pollution, but what if the very roads they drive on could help clear the air? Engineers in Korea have now demonstrated that photocatalytic concrete can help reduce pollution in tunnels.
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A few interesting details about how the Apple Vision Pro glasses work.
- In virtual reality, you can: type on the keyboard, draw with a stylus, swipe, and "pick up" objects.
- Still, a few journalists were allowed to test the Vision Pro. According to them, the virtual reality picture is really stunning and you can really look at the "real world" without any difficulty. A journalist from The Verge says he was able to write a note on his phone without taking off his glasses. Of the minuses: with peripheral vision, you can see black areas that don't cover the glasses.
@gadget
- In virtual reality, you can: type on the keyboard, draw with a stylus, swipe, and "pick up" objects.
- Still, a few journalists were allowed to test the Vision Pro. According to them, the virtual reality picture is really stunning and you can really look at the "real world" without any difficulty. A journalist from The Verge says he was able to write a note on his phone without taking off his glasses. Of the minuses: with peripheral vision, you can see black areas that don't cover the glasses.
@gadget
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Sand in a desert dune demonstrating a similar type of landslide called retrogressive where failure forms at the bottom, progressing up a slope. Due to the absence of cohesion and shape of the grains, this phenomenon is possible in sands.
Sensitive clays are known for producing retrogressive landslides, also called spread or flowslides. The key characteristics associated with the occurrence of these landslides on a sensitive clay slope must be evaluated, and the potential retrogressive distance must be evaluated.
Retrogressive landslides in sensitive clays often occur following a single major perturbation, such as an earthquake, or they may occur after a large number of annual load cycles at a geological time scale, with the final trigger related to a minor and seemingly innocuous perturbation. These failure events can therefore occur without any obvious warning signs. The potential retrogressive distance of these landslides can also reach values much greater than 100 m. This uncertainty in their behavior emphasizes the importance of determining where these landslides can occur.
for @science
Sensitive clays are known for producing retrogressive landslides, also called spread or flowslides. The key characteristics associated with the occurrence of these landslides on a sensitive clay slope must be evaluated, and the potential retrogressive distance must be evaluated.
Retrogressive landslides in sensitive clays often occur following a single major perturbation, such as an earthquake, or they may occur after a large number of annual load cycles at a geological time scale, with the final trigger related to a minor and seemingly innocuous perturbation. These failure events can therefore occur without any obvious warning signs. The potential retrogressive distance of these landslides can also reach values much greater than 100 m. This uncertainty in their behavior emphasizes the importance of determining where these landslides can occur.
for @science
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The American company Migo Robotics has developed a robot vacuum cleaner that can walk on steps. The Ascender vacuum cleaner was created by a team of engineers from Google, Boston Dynamics, Dyson, and Ecovacs.
A pair of articulated legs lifts the body of the robot up the steps as it moves up the stairs. In doing so, the Ascender continues to clean. The assistant is also equipped with omnidirectional wheels for moving on a flat surface.
And Migo Robotics used LiDAR to map the room and track the cleaning route.
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A pair of articulated legs lifts the body of the robot up the steps as it moves up the stairs. In doing so, the Ascender continues to clean. The assistant is also equipped with omnidirectional wheels for moving on a flat surface.
And Migo Robotics used LiDAR to map the room and track the cleaning route.
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Well, well, well… all progressive Dutch students are already in China… who will go to Dutch universities in 2023?????! What for????!
Bloomberg.com
Dutch Seek to Bar Chinese Students From Tech Courses in Chip War
The Dutch government is working on legislation that will be used to bar Chinese students from university programs on sensitive technologies including semiconductors and defense, according to people with knowledge of the matter.
Solid-state batteries have a lot of promise. Unlike current lithium-ion batteries, solid-state ones don't contain flammable liquids, which are a major drawback as illustrated by stories of laptops and electric cars bursting into flames. Solid-state batteries are also less toxic, have higher energy densities, charge faster, and survive more recharge cycles without degenerating.
New Atlas
Simple tweak creates safer, more efficient solid-state batteries
Oak Ridge National Laboratory (ORNL) has come up with a small tweak that could have big consequences. By making a small change to how a type of solid-state battery is made, the scientists managed to eliminate defects in the electrolyte film, opening the way…
Why manufacture in space? Well, when you're operating in zero gravity – or at least, in the microgravity environment of orbit – you're altering a very significant physical variable that's pretty much a constant for any Earth-based lab.
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New Atlas
World's first space factory, now in orbit, is also a hypersonic test bed
California startup Varda has celebrated the deployment of its first satellite, a test run of a fascinating space-based pharmaceuticals factory that moonlights as a hypersonic test rig during its Mach 25 re-entry to keep costs down.
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Recreating the musculature of the leg and pelvis, the imagery supports the supposition that this part-time tree-dwelling hominin walked completely erect, like humans, but more than three million years earlier.
New Atlas
Lucy the ancient human walked fully upright, and she was ripped
We may only ever have 47 of the 207 bones that made up the skeleton of this 3.18-million-year-old Australopithecus afarensis specimen known affectionately and widely as Lucy, but it’s been enough to make some incredible discoveries (and stir up more than…
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Scientists discover salt in asteroid, indicating presence of water on Earth
Scientists have discovered salt in an asteroid, which indicates the presence of water on Earth. The discovery could help explain how water arrived on our planet. According to the researchers, the salt was found in a sample of the Itokawa asteroid, which visited Earth in 2003. The findings suggest that the asteroid could have been a source of water on Earth. This discovery could have significant implications for our understanding of the origins of life on our planet.
Scientists have discovered salt in an asteroid, which indicates the presence of water on Earth. The discovery could help explain how water arrived on our planet. According to the researchers, the salt was found in a sample of the Itokawa asteroid, which visited Earth in 2003. The findings suggest that the asteroid could have been a source of water on Earth. This discovery could have significant implications for our understanding of the origins of life on our planet.
New Atlas
Table salt found in asteroid shakes up how water surfaced on Earth
Researchers just can’t seem to keep their hands off asteroid Itokawa, and with good reason. Following on from the discovery of pyroxene, which contains water in its crystal structure, in a sample taken from the stony space mass, another team at the University…
eVTOLs and delivery drones promise to bring large numbers of aircraft closer than ever before to urban life. Most people find today's drones annoyingly loud and wouldn't want them whirring overhead on a daily basis, and Whisper has raised some US$40 million and bagged some military grants on the basis that this company is building the quietest electric propulsion systems on the planet.
New Atlas
Whisper Aero claims radical advance in quiet, efficient electric jets
Whisper Aero says its electric aircraft propulsion systems are "20% more efficient and 100x quieter than anything else on the market." They're designed for drones, planes and possibly eVTOLs, and there's also a funky-looking concept plane.
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GPS uses a network of a few dozen satellites in precise orbits around Earth, and receivers in devices like phones are constantly listening out for signals from those satellites. The devices can work out how far they are from any detected GPS satellite, and when they pick up signals from at least four of them, the device can determine its relative position on the ground to within a few meters.
And now Scientists have demonstrated a proof-of-concept for a new navigation system that can work underground and underwater by tracking particles from cosmic rays
And now Scientists have demonstrated a proof-of-concept for a new navigation system that can work underground and underwater by tracking particles from cosmic rays
New Atlas
GPS alternative taps cosmic rays for underground or underwater navigation
GPS is a powerful navigation technology, but it doesn’t work as well inside buildings, underground or underwater. Now engineers in Japan have developed and tested an alternative technology that uses cosmic rays to track movement beneath a building with precision…
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