In a new Nature Communications study, scientists have demonstrated the quantum version of the strong Mpemba effect (sME) in a single trapped ion system.
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YouTube Video Here: https://www.youtube.com/embed/UpLcnAIpVRA?feature=oembed&enablejsapi=1
We all know that the ancient Greeks excelled as one of the most intelligent people in history. Their impressive results in many sciences have helped develop society and humanity as we know of it today. The Antikythera mechanism is according to researchers another product of Greece. There is no other instrument like it, nothing found until today compares to the Antikythera mechanism and better yet, there are no recorded texts that would suggest that something like it ever existed. Is it really possible that ancient people had the knowledge of building a device, as complex as the Antikythera mechanism? History tells us that it is improbable yet here we have an incredible “ancient computer.” After years of study, it was believed that the ancient artifact known as the Antikythera mechanism was an astronomical calendar. But researchers worldwide have come to the conclusion that this device is an astronomical calculator of extreme precision, much more complicated that scholars have previously thought. The device was discovered by chance actually, as a storm deviated a group of divers in the 1900’s. They reached he island of Antikythera between Peloponnese and Crete and while diving, they discovered the remains of a Roman ship that sunk around 65 B.C. Inside the wreckage, this mysterious device was discovered.
The Antikythera mechanism is basically made out of wood and bronze. Its dimensions are 31.5 centimeters in length, 19 centimeters wide and have a thickness of 10 centimeters. Researchers believe that the system of gears was protected by a wooden box, which is now almost totally destroyed. The device had two doors, one at the front and one at the back with astronomical inscriptions covering most of the exterior of the mysterious mechanism. Hewlett-Packard and their research team took digital images of the device in 2005, the pieces that make up the entire device were later analyzed by an X-ray scanner of High resolution belonging to the British company X-Tek Systems. These two companies make up the AMRP or the Antikythera Mechanism Research Project together with the universities of Cardiff, Athens among others. According to researchers, all of the analysis has helped determine the exact purpose of the device; The front dial was used to obtain the position of the Sun and Moon in the zodiac and a corresponding 365-day calendar that could be adjusted for leap years, while the rear dials indicated two astronomical cycles which among other things were used to predict lunar and solar eclipses. Scientists have managed to identify a total of thirty handmade gears, and it is believed that the mechanism had at least, seven more gears. Having this said, the Antikythera mechanism is something that appears to be out of time, it doesn’t belong in that period of history according to many researchers who are still in shock by how ancient man was able to construct and design such an elaborate device. the construction of the Antikythera mechanism is so complicated that nothing like it was built until the “first” mechanical clocks in the middle ages, so this adds to the mystery of how ancient Greeks had the knowledge to build such an extraordinary device.
It is understandable that calendars were extremely important in ancient societies, not only because of their religious meanings but also because of their agricultural importance. Solar and Lunar eclipses as the motions of the planets were often considered as prophetic interpretations. So who built it?Researchers are unsure as to who was the person responsible for the design and construction of the Antikythera mechanism, some speculate that Hipparchus of Nicaea (190-120 BC), might have been the inventor of the device. Hipparchus of Nicaea was considered one of the great geniuses of antiquity. He was a geographer, mathematician, and astronomer whose findings revolutionized astronomy. Hipparchus of Nicaea produced a catalog of 850 stars, classified them according to their brightness just as astronomers do today. He measured the year with an error of 6.5 minutes, discovered the precession of the equinoxes; calculated the distance from Earth to the Moon with great precision and most importantly, he developed a theory explaining the irregularities of the motion of the moon in the sky due to its elliptical orbit. He was also who succeeded Eratosthenes at the Library of Alexandria. Image Credit: Wikimedia commons. http://synapse.mannamaker.com/
History had it all working apparently… the first world war happened thousands of years ago according to researchers who have found evidence of the first major military conflict at Jebel Sahaba.At a time when we were commemorating the (barely) one hundred years of the so-called First World War, researchers have discovered traces of the oldest large-scale military confrontation in the history of mankind. Of course, we know for sure that war and destruction are not new in the history of mankind. Surprisingly the reasons for dispute do not seem to vary with the passing of the centuries. This is what a team of French researchers managed to find out based on human remains found on the banks of the Nile river. They have apparently discovered the first major armed conflict that happened 13,000 years ago and lasted for several months, marking it in human history as the first major “global” conflict.
 A parallel investigation led by British and American anthropologists, indicates that the cause or trigger of this global conflict would have been the racial difference among people (Racism isn’t new apparently). This conclusion stems from the discovery that the deceased belonged to the sub-Saharan population, ancestor of contemporary black skinned people and their enemies could have belonged to Levantine peoples living in the territory of the Mediterranean.
According to archaeological studies, the two groups had a very different look and great cultural and linguistic differences which is believed to have been the trigger that caused a fierce competition for natural resources. Researchers believe that this would have occurred in a context of global climate change where the search for food and substances provoked clashes and violent confrontations with the ultimate goal of survival leading to a long and sad history of war.
Source and reference British Museum The ISS’s orbit is slowly decaying. While it might seem a permanent fixture in the sky, the orbiting space laboratory is only about 400 km above the planet. There might not be a lot of atmosphere at that altitude. However, there is still some, and interacting with that is gradually slowing the orbital speed of the station, decreasing its orbit, and, eventually, pulling it back to Earth. That is, if we didn’t do anything to stop it.
Two NASA rocket missions are taking to the Alaskan skies in hopes of discovering why some auroras flicker, others pulsate, and still others are riddled with holes. Understanding these peculiar features is part of NASA’s goal to understand the space environment around our planet, which can affect both spacecraft and astronauts.
When NASA and the Indian Space Research Organization’s (ISRO) new Earth satellite NISAR (NASA-ISRO Synthetic Aperture Radar) launches in coming months, it will capture images of Earth’s surface so detailed they will show how much small plots of land and ice are moving, down to fractions of an inch.
Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet stream of its kind ever measured on a planet. The discovery was made using the European Southern Observatory’s Very Large Telescope (ESO’s VLT) in Chile and provides unique insights into the weather patterns of a distant world.
There’s a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of supermassive black holes reveals that their spin rates reveal something about their formation history.
The Experimental Advanced Superconducting Tokamak (EAST), commonly known as China’s “artificial sun,” has achieved a remarkable scientific milestone by maintaining steady-state high-confinement plasma operation for an impressive 1,066 seconds. This accomplishment, reached on Monday, sets a new world record and marks a significant breakthrough in the pursuit of fusion power generation.
Topological insulators (TIs) are among the hottest topics in condensed matter physics today. They’re a bit strange: Their surfaces conduct electricity, yet their interiors do not, instead acting as insulators. Physicists consider TIs the materials of the future because they host fascinating new quantum phases of matter and have promising technological applications in electronics and quantum computing. Scientists are just now beginning to uncover connections between TIs and magnetism that could unlock new uses for these exotic materials.
A team of researchers from the University of Ottawa has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient technologies in wireless communication and signal processing.
Molecules haven’t been used in quantum computing, even though they have the potential to make the ultra-high-speed experimental technology even faster. Their rich internal structures were seen as too complicated, too delicate, too unpredictable to manage, so smaller particles have been used.
University of Missouri scientists are unlocking the secrets of halide perovskites—a material that’s poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics.
West Valley City PD officers entered the home while the fatal stabbings were occurring; the killer did not stop raising the knife until he was fatally shot
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