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Plastic pollution is everywhere: in rivers and oceans, in the air and the mountains, even in our blood and vital organs. Most of the public attention has focused on the dangers of microplastics. These are fragments smaller than 5 millimeters. Go to Source Heat affects not only our well-being, but also the performance and lifespan of systems and devices. However, it is often difficult to measure these effects accurately. Go to Source Playwright Tom Stoppard, in “Rosencrantz and Guildenstern are Dead,” provides one of the best definitions of science: “The scientific approach to the examination of phenomena is a defense against the pure emotion of fear.” Go to Source At any given moment, trillions of particles called neutrinos are streaming through our bodies and every material in our surroundings, without noticeable effect. Smaller than electrons and lighter than photons, these ghostly entities are the most abundant particles with mass in the universe. Go to Source In a breakthrough for next-generation technologies, scientists have learned how to precisely control the behavior of tiny waves of light and electrons, paving the way for faster communications and quantum devices. Go to Source Metal oxides are abundant in nature and central to technologies such as photocatalysis and photovoltaics. Yet, many suffer from poor electrical conduction, caused by strong repulsion between electrons in neighboring metal atoms. Go to Source “ [K-9] Archer was not just a police dog; he was a partner, protector and a member of our police family,” Interim Police Chief Reed Mahuna said Go to Source Finding life beyond Earth would be a major scientific discovery with significant implications for all areas of science and human thought. Yet, only one direct search for extraterrestrial life has ever been conducted. Go to Source Officers found the man as he was fleeing the scene of a double shooting; he has since pleaded guilty to two counts of murder Go to Source Video shows Peoria PD officers speaking with a suspect and instructing him to put down a bat; as the officers approached him, the man jumped up and hit an officer with the bat Go to Source Since the early days of human space exploration, the endeavor has been haunted by a very good question: why spend so much on space when there are so many urgent problems here on Earth? Go to Source Magic-angle twisted bilayer graphene (MATBG) is a material created by stacking two sheets of graphene onto each other, with a small twist angle of about 1.1°. At this “magic angle,” electrons move very slowly, which can lead to the emergence of highly correlated electron states. Go to Source Within our Milky Way galaxy, in the direction of the constellation Vulpecula, a cosmic “lighthouse” named PSR B1937+21 spins at an astonishing rate of 642 revolutions per second. It emits electromagnetic pulses that rival the precision of atomic clocks. Go to Source Radio astronomy took another step forward recently, with the completion of Phase III of the Murchison Widefield Array (MWA) in Western Australia. We’ve reported before on how the MWA has investigated everything from SETI signals to the light from the earliest stars. With this upgrade, the MWA will continue to operate with much needed improvements […] Space has a trash problem, with defunct satellites, rockets, and smaller broken bits orbiting Earth at high speeds. The amount of space junk is only increasing, raising the risk of collision with active satellites and spacecraft, according to Kazunori Takahashi, associate professor in the Graduate School of Engineering at Tohoku University in Japan. Takahashi may […] |
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