In the late 1980s, scientists realized they could understand the interior properties of the sun by observing the sound waves that resonate inside it. This technique, called helioseismology, revealed a mysteriously thin dynamical layer in the interior of the sun that became known as the tachocline.
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A new specimen holder gives scientists more control over ultra-cold temperatures, enabling the study of how materials acquire properties useful in quantum computers.
Cameras are everywhere. For over two centuries, these devices have grown increasingly popular and proven to be so useful, they have become an indispensable part of modern life.
It is believed that on April 9, 1897, an unidentified flying object crashed in the town of Aurora, just outside of Dallas, and that a small humanoid being was recovered from the crashed UFO. The town of Aurora, in North Texas, United States, is considered by many as an unattractive place, where time seems to have stopped. The nearest city, Dallas, lies about 30 miles to the east and the northwest borders with the beaches of the Gulf of Mexico. The largest business in the town is a service station which is rarely open. However, every summer, large numbers of North American tourists are attracted by a mysterious history. Tourists did not look for vacations or fun but searched for the remains of an extraterrestrial humanoid that is believed to have crashed with his ‘UFO’ decades ago. Many years ago, according to some stories and legends, a huge ship fell from the sky and crash landed in Aurora. Local residents found ONE pilot inside the crashed spacecraft and buried him. Since then many groups of UFO investigators have arrived in Aurora to find the body or what remains of it.  They cover an extensive route where the ship allegedly crashed and analyze countless tombs in the cemetery, with the illusion of rescuing some small bone fragments that survived the passage of time. The inhabitants of the village smile at the ingenuity of tourists who arrive with the idea of obtaining a souvenir. Nearly everyone in the town thinks that the history of the extraterrestrial is nothing more than a joke. But, at the same time, they admit that history is grounded in a fact that may have some truth. In the year 1897, local residents reported large numbers of sightings of strange objects in the sky. At that same time, people in Texas said they saw a UFO that was shaped like a cigar with strange lights, flying at extremely low altitude. Obviously, at that time UFO sightings were of no greater importance in the village of Aurora. However, on April 9, 1897, an unidentified flying object was reported to have descended at high speed from the sky, exploding at the center of the village.  The strange event was covered by journalist F.E. Hayden, for the Dallas newspaper, who was informed, in turn, by an Aurora resident named T.J. Weems. The report mentioned that the collision was observed and verified by numerous witnesses. Hayden wrote that the object was a UFO that impacted the property of J.S. Proctor, a Judge from Texas. Furthermore, Weems also said that the explosion illuminated the town as if it were daylight and spread a large number of fragments along three acres. He also added that the body of the UFO’s crew was recovered and was not of this world. The body was small and thin. It was buried at the local cemetery. Locals made a gravestone, and a cigar-shaped object was engraved to distinguish and remember what had happened. The people of Aurora now think that this story is likely to have happened, but they hesitate when asked if it was true that an alien being was buried there. They think that what crashed at the center of the village was simply a meteorite and that Weems and Hayden created the whole fantasy. In the last century, the theory of the crashed UFO was supported by the only living man who remembered the event, Charles Stevens, who was then a child. He claims that his father saw something that fell on the property of Judge Proctor and that “they had found the bodies of two or three men…” Curiously, according to locals, only one alleged alien body was found, and not two or three. Years went by no one knew anything else about it. Eventually, the tombstone was stolen from the cemetery and the place it inhabited was lost with the passage of time, leaving the alleged aliens grave completely unmarked. Interestingly, on December 2, 2005, UFO Files first aired an episode related to this incident, titled “Texas’ Roswell”. MUFON even investigated the mysterious case. Researchers from MUFO had uncovered the grave marker that appeared to show a flying saucer of some sort, as well as readings from its metal detector. MUFON eventually asked for permission to exhume the site, but the cemetery association declined permission. It was only after MUFON’s investiagt5ion that the grave marker mysteriously disappeared from the cemetery. MUFON’s report eventually stated that the evidence was inconclusive, but did not rule out the possibility of a hoax. Charlie Kirk was killed by a single shot in what police said was a targeted attack and Utah’s governor called a political assassination
Tiny red objects spotted by NASA’s James Webb Space Telescope (JWST) are offering scientists new insights into the origins of galaxies in the universe—and may represent an entirely new class of celestial object: a black hole swallowing massive amounts of matter and spitting out light.
At an internal staff briefing last week, acting NASA Administrator Sean Duffy declared the United States has a “manifest destiny to the stars,” linking this to the need to win the “space race.”
Moiré superlattices are periodic patterns formed when two or more thin semiconducting layers are stacked with a small twist angle or lattice mismatch. When 2D materials form these patterns, their electronic, mechanical, and optical properties can change significantly.
Binary star systems are not rare. Neither are systems where one star is a remnant like a white dwarf or neutron star, and its companion is on the main sequence. In those systems, the dense remnant can draw material away from the main sequence star. This can create violent Type 1a supernovae in the case of a white dwarf, and the emission of extremely powerful X-rays in the case of a neutron star.
Focused laser-like light that covers a wide range of frequencies is highly desirable for many scientific studies and for many applications, for instance, quality control of manufacturing semiconductor electronic chips. But creating such broadband and coherent light has been difficult to achieve with anything but bulky, energy-hungry tabletop devices.
YouTube Video Here: https://www.youtube.com/embed/pV_gXGTuWxY?feature=oembed&enablejsapi=1 It has long been one of the greatest mathematical mysteries, but experts believe they have finally discovered the origin of the symbol currently used to designate the number zero. Reference to the number zero was found in the Bakhshali, an ancient Indian mathematical text discovered in 1881 whose recent carbon dating 14, carried out by Oxford University experts has traced it back to the third century, meaning its five centuries older than previously believed.  “Today we assume that the concept of zero is used everywhere and is fundamental to the digital world,” said Professor Marcus du Sautoy, lead author of the study. “But the creation of zero as a number, which evolved from the point found in the Bakhshali manuscript, was one of the greatest advances in the history of mathematics.” “We now know that it was as early as the 3rd century that mathematicians in India planted the seed of the idea that would later become so fundamental to the modern world. The findings show how vibrant mathematics have been in the Indian sub-continent for centuries.” Professor du Sautoy explained how the dot symbol was used as a “marker” to indicate orders of magnitude in a number system—for example, zero denoting the lack of tens in 101. And while zero as a marker is known in older cultures, such as the Babylonian or that of the ancient Maya, the symbol in the Indian manuscript is significant for two main reasons. The first is that this dot evolved to have a hollow center that we see in the zero symbol today. And the second is that it was only in India that zero evolved into what it is today, when Brahmagupta, an Indian astronomer, wrote the Brahmasphutasiddhanta text in the sixth century, the first document to mention zero as a number.  Previous research placed the Bakhshali manuscript between the 8th and 12th centuries, mostly based on the writing style. However, new studies reveal that the ancient manuscript—consisting of 70 extremely fragile leaves of birch bark—is in fact made out of material that is traced back to at least three different periods. Richard Ovenden, a librarian at the Bodley Library, which is home to the manuscript said how “Determining the date of the Bakhshali manuscript is of vital importance to the history of mathematics and the study of early South Asian culture and these surprising research results testify to the subcontinent’s rich and longstanding scientific tradition.” The ancient manuscript will soon go on public display at the Science Museum in London as part of an exhibition Illuminating ancient India: 5000 Years of Science and Innovation, opening on the 4th of October, 2017. While the early climate of Mars remains an open question, a new study suggests that its atmosphere may have been hospitable to life due to volcanic activity that emitted sulfur gases that contributed to a greenhouse warming effect.
A new study addresses a foundational problem in the theory of driven quantum matter by extending the Středa formula to non-equilibrium regimes. It demonstrates that a superficially trivial “sum of zeros” encodes a universal, quantized magnetic response—one that is intrinsically topological and uniquely emergent under non-equilibrium driving conditions.
Turbulence is everywhere, yet much about the nature of turbulence remains unknown. During the last decade, physicists have discovered how fluids in a pipe or similar geometry transition from a smooth, laminar state to a turbulent state as their speed increases.
TRAPPIST-1 is a red dwarf star located about 40 light years away that hosts seven Earth-sized rocky planets, with at least three orbiting in the habitable zone where liquid water could potentially exist. This makes it one of the most solar system-like exoplanet systems discovered, with TRAPPIST-1e considered among the best potentially habitable exoplanets. The system’s proximity and multiple potentially habitable worlds make it an ideal target for searching for technological civilizations.
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