Mr. Singularity | Room Temperature Superconductivity for the First Time @MrSingularity | Uploaded January 2021 | Updated October 2024, 1 hour ago.
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🔥Room Temperature Superconductivity for the First Time 🔥
💠 Superconductivity may be the key to groundbreaking future advances in cooling, computing and shipping, but so far this has only occurred in goods that are cooled to near absolute zero. Researchers also created the first ever room-temperature superconductor.
As the current passes through the conductor, it encounters resistance that dissipates useful energy into waste heat and limits the efficiency of all real-world electronics. But the Dutch physicist Heike Kamerlingh Onnes discovered in 1911 that this was not the case.
When the mercury wire was cooled to just above absolute zero, the resistance instantly disappeared. For the next few decades, supraconductivity was found in other supercooled materials, and in 1933, researchers discovered that superconductors had also ejected magnetic fields. This assumes that the external magnetic fields, which normally pass around just about everything, cannot penetrate the inside of the superconductor and sit on the surface.
These two attributes open up a vast range of possibilities, including lossless power lines and electrical circuits, ultra-sensitive sensors and highly powerful magnets that could be used to levitate trains or produce super-efficient turbines. Superconductors are at the forefront of some of today's most revolutionary inventions, from quantum computers to MRI scanners and the Massive Hadron Collider.
The only problem is that they require heavy, costly and energy-saving cooling equipment, which seriously limits where it can be used. But now researchers at the University of Rochester have shown supraconductivity at a comparatively balmy temperature of 15 degrees Celsius.
"Because of the low temperature limits, materials with such extraordinary properties have not completely transformed the world as many might have imagined," said leading researcher Ranga Dias in a press release. "Our discovery will break down these barriers and open the door to a number of potential applications."
The observation illustrated in Nature's text, though, comes with several significant caveats. Just a small amount of content could be generated by the team, around the same volume as a single inkjet printer. And to get it to superconduct, they had to squeeze it between two diamonds to establish pressures equivalent to three-quarters of those in the center of the earth.
The researchers are still unsure as to the exact type of knowledge they have produced. They combined a mixture of hydrogen, carbon, and sulfur and then fired a laser to produce a chemical reaction and create a crystal. However, as all these elements have very small atoms, it has not been possible to figure out how they are arranged or what the chemical structure of the material may be.
However, the result is a great leap forward for high-temperature superconductors. A variety of advances are underway, based on the predictions by Cornell University physicist Neil Ashcroft, that hydrogen-rich materials are a feasible route to room-temperature conductivity, but the previous record of-13C has been blown out of the water.
In order to discover realistic applications, researchers would have to find a way to reduce the pressure required to achieve supraconductivity. This will require a better understanding of the properties of the substance they've created, but they say there's plenty of room to tune their formula to get closer to the atmospheric pressures.
How quick it would be is anyone's guess, but the researchers seem ambitious and set up a startup called Unearthly Materials to commercialize their work. If they get their way, electrical resistance can soon become a thing of the past.
Thanks and Enjoy 🙂
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🎥 #Superconductivity #Science #Innovation
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=======================
🔥Room Temperature Superconductivity for the First Time 🔥
💠 Superconductivity may be the key to groundbreaking future advances in cooling, computing and shipping, but so far this has only occurred in goods that are cooled to near absolute zero. Researchers also created the first ever room-temperature superconductor.
As the current passes through the conductor, it encounters resistance that dissipates useful energy into waste heat and limits the efficiency of all real-world electronics. But the Dutch physicist Heike Kamerlingh Onnes discovered in 1911 that this was not the case.
When the mercury wire was cooled to just above absolute zero, the resistance instantly disappeared. For the next few decades, supraconductivity was found in other supercooled materials, and in 1933, researchers discovered that superconductors had also ejected magnetic fields. This assumes that the external magnetic fields, which normally pass around just about everything, cannot penetrate the inside of the superconductor and sit on the surface.
These two attributes open up a vast range of possibilities, including lossless power lines and electrical circuits, ultra-sensitive sensors and highly powerful magnets that could be used to levitate trains or produce super-efficient turbines. Superconductors are at the forefront of some of today's most revolutionary inventions, from quantum computers to MRI scanners and the Massive Hadron Collider.
The only problem is that they require heavy, costly and energy-saving cooling equipment, which seriously limits where it can be used. But now researchers at the University of Rochester have shown supraconductivity at a comparatively balmy temperature of 15 degrees Celsius.
"Because of the low temperature limits, materials with such extraordinary properties have not completely transformed the world as many might have imagined," said leading researcher Ranga Dias in a press release. "Our discovery will break down these barriers and open the door to a number of potential applications."
The observation illustrated in Nature's text, though, comes with several significant caveats. Just a small amount of content could be generated by the team, around the same volume as a single inkjet printer. And to get it to superconduct, they had to squeeze it between two diamonds to establish pressures equivalent to three-quarters of those in the center of the earth.
The researchers are still unsure as to the exact type of knowledge they have produced. They combined a mixture of hydrogen, carbon, and sulfur and then fired a laser to produce a chemical reaction and create a crystal. However, as all these elements have very small atoms, it has not been possible to figure out how they are arranged or what the chemical structure of the material may be.
However, the result is a great leap forward for high-temperature superconductors. A variety of advances are underway, based on the predictions by Cornell University physicist Neil Ashcroft, that hydrogen-rich materials are a feasible route to room-temperature conductivity, but the previous record of-13C has been blown out of the water.
In order to discover realistic applications, researchers would have to find a way to reduce the pressure required to achieve supraconductivity. This will require a better understanding of the properties of the substance they've created, but they say there's plenty of room to tune their formula to get closer to the atmospheric pressures.
How quick it would be is anyone's guess, but the researchers seem ambitious and set up a startup called Unearthly Materials to commercialize their work. If they get their way, electrical resistance can soon become a thing of the past.
Thanks and Enjoy 🙂
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🎥 #Superconductivity #Science #Innovation
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![Looking Through The Arrow of Time [Explained] #TimeDilation](https://i.ytimg.com/vi/SFE6oi59j1c/hqdefault.jpg "Looking Through The Arrow of Time [Explained] #TimeDilation
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⚉ There is nothing in physics that matches the notion of the now according to physics, writes physicist Richard Cantor. Cantor: Is the present something in the world that is objective, that flows and that makes things exist? For all of us the passage of time is obvious, in time there are our thoughts and our speech, he says. Martin Heidegger, the German philosopher, emphasized our time residence, Cantor says. Those like us who believe in science realize that the differentiation created between history, current and potential is nothing but a constant, obstinate illusion, he adds.
Time flow emerges from physics but not in the context of an accurate description of things as they are, writes Heidegger. Time is at the heart of the tangle of problems created by gravity, quantum mechanics, and thermodynamics collision. We do not yet have a theory that can draw these three essential pieces of our knowledge of the world together. Because of the limitations of our consciousness, we perceive only a blurred worldview, and live in time, says Heideggers. There is still too much to be learned.
Hawking has shown that black holes have a temperature using quantum mechanics. This phenomenon involves all three sides of the issue: quantum mechanics, relativity in general, and thermal sciences. In the end, the heat of black holes seems to be like the Rosetta stone of science.
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🎥 #TimeDilation #Relativity #SpaceTime
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![First Complete Human X Chromosome - [Human Genome DNA Sequencing]](https://i.ytimg.com/vi/W2oCMXzKCxQ/hqdefault.jpg "First Complete Human X Chromosome - [Human Genome DNA Sequencing]
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⚉ First Complete Human X Chromosome - [Human Genome DNA Sequencing]
Large sections of the human genome still remain a mystery to us. Scientists have been slowly filling in the holes, but for millions of base pairs those parts have long been seen as intractable. It becomes almost impossible to distinguish the pieces when applied to these highly repetitive sections. New research suggests that we could be only months away from finishing the job.
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🎥 #Science #Technology #Innovation
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