When humans kick swim through water, vortices form around their legs, generating the force that propels them forward. However, the mechanisms underlying variations in the structure of these vortices with swimming speed remain unclear.
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AI transformational impact is well under way. But as AI technologies develop, so too does their power consumption. Further advancements will require AI chips that can process AI calculations with high energy efficiency. This is where spintronic devices enter the equation. Their integrated memory and computing capabilities mimic the human brain, and they can serve as a building block for lower-power AI chips.
Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space—they split into chaotic branches that tend to go toward the closest metallic objects.
Researchers at Tohoku University have achieved a significant advancement in opto-magnetic technology, observing an opto-magnetic torque approximately five times more efficient than in conventional magnets. This breakthrough, led by Koki Nukui, Assistant Professor Satoshi Iihama, and Professor Shigemi Mizukami, has far-reaching implications for the development of light-based spin memory and storage technologies.
After an officer warned that the suspect was attempting to get control of his firearm, another officer fired multiple shots, fatally wounding the suspect
“[Officer Jason Roscow’s] sacrifice will never be forgotten and his legacy of service and bravery will continue to inspire us all,” the North Las Vegas Police Department stated
Maitland Police officers initially stopped to help Jordan after his car became stuck on train tracks; he was arrested and charged with drug possession and resisting arrest
For the first time, astronomers have succeeded in observing the magnetic field around a young star where planets are thought to be forming. The team was able to use dust to measure the three-dimensional structure “fingerprint” of the magnetic field. This will help improve our understanding of planet formation.
Researchers have designed a single-photon time-of-flight LiDAR system that can acquire a high-resolution 3D image of an object or scene up to 1 kilometer away. The new system could help enhance security, monitoring, and remote sensing by enabling detailed imaging even in challenging environmental conditions or when objects are obscured by foliage or camouflage netting.
Phase transitions, shifts between different states of matter, are widely explored physical phenomena. So far, these transitions have primarily been studied in three-dimensional (3D) and two-dimensional (2D) systems, yet theories suggest that they could also occur in some one-dimensional (1D) systems.
The Sumerian language is considered to be a language isolated in linguistics that does not seem to belong to any known linguistic form. Researchers have studied the ancient Sumerian language and tried making connections to other groups of languages but without success. The Sumerians invented the pictorial hieroglyphics that later transformed into cuneiform writing. Together with the ancient Egyptian writing system, the ancient Sumerian can compete in a race for the oldest known written language. Known Sumerian texts discovered in the past include personal texts, business letters, transactions, receipts, lexical lists, laws, hymns and prayers, magic spells and scientific texts including mathematics, astronomy and medicine. Much of this material survived in time through copies and transcripts. Although the Semitic race became ruler of the region, the language, religion and law in Mesopotamia remained Sumerian.
The city of Nimrod, 80 kilometers southeast of Babylon, was excavated between 1,880 and 1,900. During excavations, researchers discovered around 50,000 tablets believed to have been written during the third millennium, including a library of 20,000 volumes, dictionaries and complete works on religion, literature, law and science. Strangely, archaeologists discovered a lot of Kings that seemed to have lived for hundreds of years.
“After the kingship descended from heaven, the kingship was in Eridug. In Eridug, Alulim became king; he ruled for 28800 years. Alaljar ruled for 36000 years. 2 kings; they ruled for 64800 years. Then Eridug fell and the kingship was taken to Bad-tibira. In Bad-tibira, En-men-lu-ana ruled for 43200 years. En-men-gal-ana ruled for 28800 years. Dumuzid, the shepherd, ruled for 36000 years. 3 kings; they ruled for 108000 years. Then Bad-tibira fell (?) and the kingship was taken to Larag. In Larag, En-sipad-zid-ana ruled for 28800 years. 1 king; he ruled for 28800 years. Then Larag fell (?) and the kingship was taken to Zimbir. In Zimbir, En-men-dur-ana became king; he ruled for 21000 years. 1 king; he ruled for 21000 years. Then Zimbir fell (?) and the kingship was taken to Curuppag. In Curuppag, Ubara-Tutu became king; he ruled for 18600 years. 1 king; he ruled for 18600 years. In 5 cities 8 kings; they ruled for 241200 years.” Then the flood swept over.”(Source : http://etcsl.orinst.ox.ac.uk/section2/tr211.htm) “A total of 39 kings ruled for 14409 + X years, 3 months and 3 1/2 days, 4 times in Kic. A total of 22 kings ruled for 2610 + X years, 6 months and 15 days, 5 times in Unug. A total of 12 kings ruled for 396 years, 3 times in Urim. A total of 3 kings ruled for 356 years, once in Awan. A total of 1 king ruled for 420 years, once in Hamazi. Early dates are approximate, and are based on available archaeological data; for most pre-Akkadian rulers listed, this king list is itself the lone source of information. Some of the rulers on the list are not verifiable according to researchers who suggest that some of the kings mentioned could have been mythological inventions in the distant past, yet researchers have unearthed several hundreds of thousands of artifacts covering all activities, all aspects of life of the rulers: government, administration justice, economy, personal relationships, science, history, literature and religion. These findings seem to point ancient history in a complexity new direction. Source and reference: The Early Chronology of Sumer and Egypt and the Similarities in Their Culture”, S. Langdon, The Journal of Egyptian Archaeology, Vol. 7 http://etcsl.orinst.ox.ac.uk/section2/tr211.htm The Antediluvian Kings: A University of California Tablet”, J. J. Finkelstein, Journal of Cuneiform Studies, Vol. 17 Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly.
Finding life in outer space is one of the great endeavors of humankind. One approach is to find motile microorganisms that can move independently, an ability that is a solid hint for life. If movement is induced by a chemical and an organism moves in response, it is known as chemotaxis.
A large team of researchers working on the Alpha Magnetic Spectrometer Collaboration, which has been analyzing eleven years’ worth of data from the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station, has found trends in the number of particles moving around in the heliosphere and in the way they interact with one another.
Understanding where Earth’s essential elements came from—and why some are missing—has long puzzled scientists. Now, a new study reveals a surprising twist in the story of our planet’s formation.
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