EverythingScience
Discover the best, human-curated science facts, news, discoveries, videos, and more! Chat with us: @EverythingScienceChat Contact: @DigitisedRealitySupport
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Подписчиков у канала «EverythingScience»: 20 880. Средний охват поста за сутки около 367, вовлечённость 1,8 %.
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| Дата | Подписчики | Изменение | Посты | Ср. просмотры поста |
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| 11 ноя | 20 880 | +120 | 3 | 253 |
| 10 ноя | 20 760 | −100 | 4 | 386 |
| 9 ноя | 20 860 | −114 | 0 | – |
| 8 ноя | 20 974 | −772 | 0 | – |
| 23 окт | 21 746 | – | 0 | – |
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Средние просмотры в каждом возрасте, посты за последние 30 дней.
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Когда публикует
Время по UTC. 27 постов за 90 дней.
Последние посты
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Static electricity remains shockingly mysterious Like most cats, Cooper used to love climbing into cardboard boxes. But one day, a box full of foam packing peanuts caught this tabby by surprise. Her owner, Sean McGrath, soon heard a commotion coming from the box and pulled her out. Thanks to static electricity, foam pellets now clung to her fur from head to tail. Cooper seemed stunned. “She just stood there, frozen,” says McGrath, 44, of St. John, Canada. He snapped a photo before brushing her off. That picture, taken 20 years ago, eventually found its way to Wikipedia. Cooper unwittingly came to embody static electricity. She has appeared in textbooks, college lectures and more — all to he...
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No other traveler has ever journeyed so far from home. Voyager 1 is about to become the first human-made object to reach a distance of one light-day from Earth, or about 16 billion miles. ½ Source: @NASASolarSystem @EverythingScience
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New placenta-on-a-chip model allows engineers to study effects of environmental toxins Exposure to toxic metals like cadmium has been associated with adverse pregnancy outcomes such as miscarriage, preterm birth and low birth weight. Because these effects are difficult and ethically challenging to study directly in pregnant women, how such exposures affect pregnancy has remained poorly understood. The placenta-on-a-chip model developed by Dan Huh, J. Peter Skirkanich professor in bioengineering, and colleagues at Penn Engineering offers a way to investigate these questions using living human cells. In a study published in Nature Biomedical Engineering, the team led by Huh, together with col...
328 просмотров 3 Реакции -
Has AI cracked a Half-Century-Old Problem in Physics? Has AI tackled a problem in physics that has been open for more than half-a-century? It seems so. Brian Greene explains OpenAI’s claim that a dominant component of the Standard Model of Particle Physics – so called, Yang-Mills Gauge Theory – has now been proven mathematically sound. For decades, physicists have used the equations of the Standard Model to make exquisitely precise predictions, borne out by a mountain of experimental results. But getting to these results has required intermediate steps of questionable mathematical rigor. OpenAI says its models have now filled in the missing math, finally placing years of calculations on a f...
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These Robotic Arms Are Powered by Algae. Watch How They Move What if a robot could be squishy? Soft, flexible robots could be useful for a wide variety of applications, including artificial muscles and wearable devices—or really any application where a robot must be especially delicate. This is what has fueled development of “soft actuators” that can flex like a bicep and have a fine-tuned sense of touch as in the human hand. Like your stereotypical robot, soft actuators convert energy—such as electricity, heat, or light—into mechanical motion, but they look nothing like the metal and wire constructs that the word “robot” most often evokes. One variety of these soft robots, known as bioact...
380 просмотров 2 Реакции -
A Perseverance Experiment Could Help Astronauts Prepare for Dust Storms on Mars Martian dust is a major hurdle for human missions to Mars. Like Moon dust, its fine size and electrostatically charged nature allow it to stick to spacesuits, metal, and just about any other surface they come into contact with. Dust storms are also common on Mars, ranging from small whirlwinds that happen daily to global dust storms that occur once every 3 Martian years (~5.5 Earth years) and envelop the entire planet. Due to the low density of Mars' atmosphere, these storms don't generate much physical force. The danger lies in how the dust plays havoc with instruments, machine parts, and astronaut health and s...
389 просмотров 1 Реакции -
Swift has fallen: NASA's 22-year-old space telescope burns up over Sumatra It's the end of an era: NASA's Swift telescope has reached the conclusion of its nearly 22-year mission, burning up in Earth's atmosphere after studying some of the universe's most powerful and mysterious events. According to NASA, the spacecraft reentered the atmosphere at "7:39 a.m. EST Wednesday over the North Sumatra region of Indonesia, at approximately 3.4 degrees north latitude and 98.6 degrees east longitude." NASA expected most of the telescope's structure to burn up during its passage through Earth's atmosphere, estimating a 1-in-2,100 chance of any surviving debris falling over a populated area. No damage...
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New Research Tests Whether AI Models Know Their Own Thoughts What’s on your mind right now? You can probably answer this question without thinking too hard about it. Being aware of our own thought processes — a capacity called introspection — seems to come naturally to us. Yet among philosophers and psychologists, introspection is a subject of active debate. Some think it’s closely related to consciousness. Others argue that it’s an elaborate illusion. It’s tricky to test theories of introspection in the lab — or to pin down a precise definition in the first place. Now, after over a century of studying introspection in humans and animals, researchers are beginning to explore the phenomenon...
735 просмотров 1 Реакции -
NASA’s Swift Observatory Is Falling to Earth. Here’s What to Know About the Impending Impact After 22 years in orbit and a failed rescue mission this summer, it is highly likely that the Neil Gehrels Swift Observatory will crash into Earth sometime next week. It is not known where on the planet the spacecraft—which is roughly as big as a large elevator—will fall. Despite its size, experts say the risk to the public is relatively low. What is now a useless piece of space junk was for a long time extraordinarily valuable to the scientific community. Launched on November 20, 2004, Swift was a space observatory equipped with three telescopes. It was designed primarily to detect and study gamma-...
706 просмотров 3 Реакции -
Physicists step closer to the 'Zeptoverse' after 42-year particle search Physicists have found evidence of a particle decay so rare that it is expected to occur only around once in every 10 billion "beauty" particles. The result, from the upgraded LHCb experiment at CERN's Large Hadron Collider (LHC), follows a search spanning more than 40 years and brings physicists closer to exploring the "Zeptoverse"—an unexplored world that exists at distances of a billionth of a trillionth of a meter, or a "zeptometer," where new particles and forces of nature may be hiding. Researchers from The University of Manchester have played key roles in the LHCb experiment and its major upgrade—which can now co...
649 просмотров 3 Реакции
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New Research Tests Whether AI Models Know Their Own Thoughts What’s on your mind right now? You can probably answer this question without thinking too hard about it. Being aware of our own thought processes — a capacity called introspection — seems to come naturally to us. Yet among philosophers and psychologists, introspection is a subject of active debate. Some think it’s closely related to consciousness. Others argue that it’s an elaborate illusion. It’s tricky to test theories of introspection in the lab — or to pin down a precise definition in the first place. Now, after over a century of studying introspection in humans and animals, researchers are beginning to explore the phenomenon...
735 просмотров 1 Реакции -
Space station experiment to probe plant disease risks for future moon and Mars missions As NASA and its partners prepare for longer human missions beyond Earth, University of Florida researchers are investigating a challenge that could affect astronauts' ability to grow fresh food in space: plant disease. The university's MVP-Plant-02 investigation, launched to the International Space Station on Oct. 13, will examine how plants respond to a fungal plant pathogen in microgravity. The research will help scientists determine whether the space environment changes a plant's defenses against disease and could make infections more severe. Led by UF/IFAS researchers Andrew C. Schuerger, Ph.D., Rob...
726 просмотров 5 Реакции -
Global happiness researchers reveal keys to a good life Many of the world's leading happiness researchers say they consciously spend more time with loved ones after seeing the evidence, according to a new paper. "Happiness emerges from a symphony of factors, but if I had to pinpoint one secret to happiness, relationships with other people might be it," says Lara Aknin, a professor of social psychology at Simon Fraser University. Earlier this year, Aknin took part in a Zoom call with 12 other international leaders in well-being science. On the agenda? What their collective 600 years of happiness research and their own lived experiences reveal about living a good life and the future of the fi...
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Comets probably didn't seed life on Earth after all, new study suggests The theory that comets delivered the molecular building blocks for life on Earth is a long-standing one, since comets are known to carry many of these molecules. However, a new study challenges this idea. The researchers, led by the University of Cambridge, found the cometary delivery of these building blocks would be—at best—a 'one-off fluke,' and not the steady rain of prebiotic molecules that had been theorized. Using computer modeling, the researchers determined that comets travel too fast and at too sharp an angle to Earth's atmosphere for the fragile organic molecules to survive: they would almost certainly vapor...
710 просмотров 4 Реакции -
NASA’s Swift Observatory Is Falling to Earth. Here’s What to Know About the Impending Impact After 22 years in orbit and a failed rescue mission this summer, it is highly likely that the Neil Gehrels Swift Observatory will crash into Earth sometime next week. It is not known where on the planet the spacecraft—which is roughly as big as a large elevator—will fall. Despite its size, experts say the risk to the public is relatively low. What is now a useless piece of space junk was for a long time extraordinarily valuable to the scientific community. Launched on November 20, 2004, Swift was a space observatory equipped with three telescopes. It was designed primarily to detect and study gamma-...
706 просмотров 3 Реакции -
Are sharks really older than trees? You may have heard that sharks are older than trees. And yes, sharks are truly ancient, with an evolutionary lineage dating back hundreds of millions of years. But are they really older than trees? Experts told Live Science that the answer depends on what we classify as a shark. "It's all in the fine print," John Maisey, the curator-in-charge emeritus of fossil fish at the American Museum of Natural History in New York, told Live Science. "The takeaway is that the shark lineage within the fishes generally does go back further than trees. But it really depends on how you define what we mean by shark." The modern sharks we see today first emerged around 1...
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How intuitions work ‘He has a seriously creepy vibe. I’m not going anywhere with him.’, ‘This seems like phishing. I wouldn’t click that link.’, ‘Something about this deal feels off. Walk away.’ When people say such things, they are not typically drawing conclusions from a chain of reasoning. The person who avoids getting in the stranger’s car is not thinking: ‘He displayed these three behavioural cues and, therefore, he poses a risk.’ The email isn’t flagged by going through an explicit checklist. The deal doesn’t announce its flaws through a formal audit. In each case, something is simply presented as having a certain character: the man as creepy, the email as fraudulent, the deal as suspe...
697 просмотров 6 Реакции -
Against all expectations, researchers control the magnetic core of a single atom Researchers at Delft University of Technology (the Netherlands) have succeeded in controlling the magnetism in the nucleus of a single atom with radio waves. This came as a surprise: until now, physicists believed that this nuclear spin could not be manipulated directly. The discovery could open up new possibilities for storing and reading quantum information. The research is published in the journal Nature Communications. In metals such as iron and nickel, every atom is slightly magnetic. But inside the atom, different magnetic "compass needles," known in quantum mechanics as spins, are also at work. "By far t...
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Scientists Trapped an Antimatter Particle for Months to Study Its Secrets Antimatter is not known for being easy to get ahold of. That’s part of why these particles remain so cryptic. But recently, a team of physicists at Northwestern University managed to trap a single antimatter particle for months. Cooling it to temperatures near absolute zero, they could control its quantum states with great precision without even touching it. The experiment, published in Physical Review Letters, represents a breakthrough in our understanding of one of the great mysteries of physics. In theory, antimatter should be everywhere. Mathematics predicts that every particle of matter has an equivalent antipart...
661 просмотров 9 Реакции -
AI giants are one big mistake away from catastrophe. They could learn a lot from the nuclear industry. The largest artificial intelligence (AI) firms increasingly understand that they are hostages of one another. If one firm pushes ahead recklessly, others may feel compelled to follow. If one deploys a dangerous model without adequate safeguards, others may see it as a green light to do the same. The debate over AI has centered on what governments should do to regulate this frontier technology. That remains essential. But a more immediate question is emerging: Can the companies building these powerful systems take action independently before they lose credibility and suffer legal consequenc...
656 просмотров 5 Реакции
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