[ad_1] Kashuba et al. 2019 The people who lived at Huseby-Kiev in western Sweden 10,000 years ago made their living by hunting and fishing. 4 km (2.5 miles) thick, which is not surprising enough. How they occupied the re-emerging landscape is a bit of a mystery. WThey do not know much about who they actually … Read more
[ad_1] Unusually shaped glass particles in Hiroshima, Japan, are condensed remnants of the atomic bomb that destroyed the city in 1945, according to a new study. On August 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. The bomb, known as "Little Boy," was a uranium gun-type bomb that exploded … Read more
[ad_1] Dependence of electric resistivity as a function of temperature for sample BaTh2Fe4As4 (N0.7O0.3) 2, indicating a superconducting transition at 30 K. The zero resistance temperature is 22 K. The inset shows the crystalline structure projected on the alternative plane. The two constituent building blocks, named "1111" and "122" respectively, are marked and the charge … Read more
[ad_1] Who came first, pigs or pioneers? In Barbados, this has been a historical mystery since the first English settlers arrived on the island in 1627 to meet what they thought was a herd of wild pigs from Europe. A recent discovery by an SFU archaeologist sheds new light on the issue. Christina Giovas discovered … Read more
[ad_1] We usually associate the term "Blue Moon" with one month containing two full moons. Nothing like this happens this month, and yet May 18 still brings a Blue Moon – at least according to the rules established by the editor of an almanac almost a century ago . A few months ago, I wrote … Read more
[ad_1] After sandblasting tiny streams of water with an x-ray laser, the researchers observed shockwave trains moving to the left and right that moved away from areas filled with microbubbles. Credit: Claudiu Stan / Rutgers University Newark A team of researchers produced an underwater sound that breaks all records with an intensity that eclipses that … Read more
[ad_1] Many parents worry about the privacy and online safety of technologies designed for their children. But we know much less about what children themselves find in emerging technologies. Researchers at the University of Washington have for the first time defined what children mean when they say the technology is "scary". In a new study, … Read more
[ad_1] An artistic impression of Rhoetosaurus brownei, (c) Queensland Museum 2014. Source: Konstantinov, Atuchin & Hocknull. Credit: University of Queensland According to a study from the University of Queensland, a 24-tonne dinosaur may have walked in a "high-heeled" fashion. UQ Ph.D. Candidate Andréas Jannel and his colleagues at the UQ Dinosaur Lab analyzed the fossils … Read more
[ad_1] NASA's administrator, Jim Bridenstine, is currently the public face of the agency's new lunar initiative, Artemis, which aims to place the first woman on the moon's surface. here 2024. On Monday, he revealed that NASA was claiming an additional $ 1.6 billion for next year. to speed up the project, but questions remain about … Read more
[ad_1] Illustration of how effective metals, dielectrics and dielectrics react to a slowly varying electric field. Within each system, the applied field is countered by an induced electric field generated by the accumulation of surface charges. (a) In metals, electrons are free to move until applied and induced fields cancel in the mass. In dielectrics … Read more