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A tech billionaire has become the first layperson to perform a space walk. Hundreds of miles above Earth, Jared Isaacman took part in an intricate performance of science and engineering that often comes with some serious health risks, even for professional astronauts. Go to Source In the 1930s, Swiss astronomer Fritz Zwicky observed that the velocities of galaxies in the Coma Cluster were too high to be maintained solely by the gravitational pull of luminous matter. He proposed the existence of some non-luminous matter within the galaxy cluster, which he called dark matter. This discovery marked the beginning of humanity’s […] In July 2021, NASA astronauts aboard the International Space Station started growing chili peppers in the Advanced Plant Habitat, as part of the Plant Habitat-04 (PH-04) experiment. Go to Source The interactions between quantum spins underlie some of the universe’s most interesting phenomena, such as superconductors and magnets. However, physicists have difficulty engineering controllable systems in the lab that replicate these interactions. Go to Source How are stars born, and how do they die? How do they produce the energy that keeps them burning for billions of years? How do they create the elements we observe today? Definitive answers to these questions continue to elude scientists in their quest to understand the processes that shape the chemical makeup of the […] The spectral degeneracies emerging as a consequence of parity-time (PT) symmetry exhibit a profound divergence from their conventional counterparts. They possess non-Hermitian nature and are designated as exceptional points (EPs), marking instances where the real and corresponding imaginary portions of specific eigenvalues align perfectly, alongside a coalescence of their associated eigenvectors. Go to Source […] A research group from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences recently developed a neural network-based absorbance recovery method to improve the accuracy of single path tunable diode laser absorption spectroscopy (TDLAS) measurement. Go to Source Two researchers at the University of Warsaw developed a quantum-inspired super-resolving spectrometer for short pulses of light. The device designed in the Quantum Optical Devices Lab at the Centre for Quantum Optical Technologies, Centre of New Technologies and Faculty of Physics UW offers over a two-fold improvement in resolution compared to standard approaches. In the […] Sumer, known as the “land of the kings”, was founded in southern Mesopotamia (modern day Iraq) between 4500 and 4000 BCE. It became one of the first civilizations ever established in history, where its people drained the marshes for agriculture, developed trade, and established industries such as weaving, metallurgy, and pottery. Each city was […] “I am unwilling to let my attention be on anything other than our important work, or the safety of the men and women of the NYPD,” Edward Caban stated Go to Source “…It could have just as easily been a family of five driving home in their vehicle that were hit head-on,” Brevard County Sheriff Wayne Ivey said Go to Source Video shows Jon Bon Jovi approaching the woman, who appeared to be suffering a mental health crisis, and helped her until police and fire personnel arrived Go to Source Monoliths (aka menhirs or obelisks) are upright stones that have been used to create impressive structures around the world. These great monuments can appear on their own, or as part of a group (e.g. stone circles, temples, tombs etc). The erection of these monoliths mainly took place in the Neolithic, later continuing into the […] The Newton County Sheriff’s Office said Cpl. Brandon Schreiber was an organ donor and that his “sacrifice will present the opportunity for him to help many other people” Go to Source At the beginning of Yoruba mythology, the universe was composed of two elements, the ethereal sky above and a watery chaos below. Two gods rule over both these primordial realms. Olokun presides over this watery abyss, an aquatic realm populated by sea spirits. As master of the deep, he has a great insight into […] |
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