When observing small worms under a microscope, one might observe something very surprising: the worms appear to make a sweeping motion to clean their own environment. Physicists at the University of Amsterdam, Georgia Tech and Sorbonne Université/CNRS have now discovered the reason for this unexpected behavior.
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An international team of astronomers has uncovered multiple evolutionary paths for the universe’s most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion stars, show that less than 2 billion years after the Big Bang, some had already stopped forming stars and lost their dust, while others continued forming stars hidden behind thick dust clouds.
Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique cobalt-based molecule with metal–metal bonds can function as a spin quantum bit (spin qubit)—a fundamental unit for future quantum computers. The findings provide a new design strategy for molecular materials used in quantum information technologies.
Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around it—or the other way around—is still a matter of some debate, but we know the evolution of both are deeply connected. We can use that relationship to study the black holes.
Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise view ever obtained of the extreme relativistic effects imprinted onto the spacetime around a supermassive black hole.
So far, humanity has yet to find its first “exomoon”—a moon orbiting a planet outside of the solar system. But that hasn’t been for lack of trying. According to a new paper by Thomas Winterhalder of the European Southern Observatory and his co-authors, which is available on the arXiv preprint server, the reason isn’t because those moons don’t exist, but simply because we lack the technology to detect them. They propose a new “kilometric baseline interferometer” that can detect moons as small as Earth up to 200 parsecs (652 light years) away.
This ESA/Hubble picture highlights another view of a distant stellar birthplace. Captured in a parallel field to a recently released image, this scene reveals a neighboring region of the N159 star-forming complex in the Large Magellanic Cloud, approximately 160,000 light-years away.
One St. Louis County Police Department officer deployed a TASER at the man as he began to run, which was ineffective; he was shot as he ran toward another officer
An international team of astronomers led by Canadian researchers has found something the universe wasn’t supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion years after the Big Bang, far earlier and hotter than theory predicts.
Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones is therefore high on the priority list for many observational organizations. But doing so comes at a cost, and not just in terms of money. Finding a suitable site can be a challenge, and that has been particularly true for the effort to build a 30-meter telescope in the Northern Hemisphere.
Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on qubits, units of quantum information that share states with each other via a quantum mechanical effect known as entanglement.
A U.S. district judge wrote that “the responsibility to lead the [LMPD] in compliance with federal law must remain with the city’s elected representatives and the people they serve.”
The sun is not only our closest stellar neighbor, it’s also the star we understand the most. As we’ve observed it over the centuries, we’ve learned that the sun is not an immortal constant. It goes through active and quiet cycles, it has become warmer over geologic time scales, and it occasionally batters Earth with solar flares. We’ve generally thought that other main sequence stars behave in much the same way, but when it comes to solar flares, that isn’t always true.
Quantum theory and Einstein’s theory of general relativity are two of the greatest successes in modern physics. Each works extremely well in its own domain: Quantum theory explains how atoms and particles behave, while general relativity describes gravity and the structure of spacetime. However, despite many decades of effort, scientists still do not have a satisfying theory that combines both into one clear picture of reality.
YouTube Video Here: https://www.youtube.com/embed/Dfl4ZaiucpQ?feature=oembed&enablejsapi=1 For those who follow the stories of the ancient Sumerian tablets first discovered in the 1800s, you know that gold is central to the story. The Anunnaki, extraterrestrials from another planet, mined for precious gold in southern Africa when they arrived on Earth. The element has unique qualities that make it invaluable for many reasons; from jewelry to electrical components, to insulation used in space travel. Today, scientists have made a big leap in unlocking the potential of 2D gold, thousands of years later. Now, researchers from the University of Leeds in the U.K. have created the world’s “thinnest gold” only two atoms in thickness. It’s so thin; they consider it 2-dimensional. They say it’s a “landmark achievement” in nanomaterials with potential in the medical and electronics industries.
Newsweek noted that researcher Stephen Evan from Leeds supervised the study. Leeds remarked that the gold sheets are a vast improvement over even gold nanoparticles.
According to the article, the flexible 2D gold might be used to “develop artificial enzymes” for such technologies as water filtration and improved medical diagnostic tests. The advanced use of gold in this manner is new to science in 2019. On the other hand, if you subscribe to the story of the Anunnaki from the cuneiform tablets of Mesopotamia, it could be a throwback to technology thousands of years old. According to Ancient Astronaut theory, the Anunnaki genetically engineered the first man, or “Adamu” as slaves for their gold-mining operations some 450,000 years ago. The gold was needed for the technology to save the home planet, which was falling into environmental ruin. If we put aside skepticism for a moment and consider this to be true, could humans learn how to use gold for advanced technology to save our own environment in the future? Related: Why Was Gold So Important To The Ancient Anunnaki? Much of the wisdom of these ancient beings was passed along to modern humans, but why not the technology associated with gold? For example, some of the system of mathematics and measurements we still use originated in ancient Mesopotamia. Consider that the hours and minutes that define our daily lives, based on the number 60, came from the ancients. Related: Did the Anunnaki reveal keys to the universe in the first system of mathematics? Zecharia Sitchin (1920 – 2010), the famous (or infamous, depending on your view?) author who expounded on the story of Anunnaki for years, was quoted in the New York Times in 2010 as the paper explored his ideas. Many people consider it bunk, but to Sitchin and a growing audience, the tablets aren’t just myth but record actual events. 
Today, humans are indeed thinking and using tools, but we still clearly have far to go before we could really be considered an advanced civilization. At least the use of 2D gold seems to be another small step in the right direction. For a discussion of the Anunnaki and their quest for gold on Earth, as told in the Sumerian tablets, watch this video from Universe Inside You below Featured image: Screenshot via YouTube |
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