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Qubits are the building block for quantum technology, and finding or building qubits that are stable and easily manipulated is one of the central goals of quantum technology research. Scientists have found that an atom of erbium—a rare-earth metal sometimes used in lasers or to color glass—can be a very effective qubit. Go to Source […] What happens when radiation hits water? This is a question that has an impact every time you get an X-ray at the doctor’s office, given you are mostly made of water. A team of theoretical physicists at DESY has worked on data taken by colleagues from Argonne National Laboratory in the US at the LCLS […] Researchers have successfully manipulated distinct exciton species within a hybrid monolayer WSe2-Ag nanowire structure. By exploiting the unique valley-spin locked band structures and electron-hole configurations of TMDs, the team, led by Professor Hongxing Xu, Prof. Xiaoze Liu and Dr. Ti Wang from School of Physics and Technology, has taken a significant step toward practical photonic […] The Joint European Torus (JET), one of the world’s largest and most powerful fusion machines, has demonstrated the ability to reliably generate fusion energy, while simultaneously setting a world record in energy output. Go to Source Researchers have developed a spiral-shaped lens that maintains clear focus at different distances in varying light conditions. The new lens works much like progressive lenses used for vision correction but without the distortions typically seen with those lenses. It could help advance contact lens technologies, intraocular implants for cataracts and miniaturized imaging systems. Go to […] Assistant Chief Dominic H. Choi will not be allowed to apply for the permanent chief position; Choi stated his goal is to manage a smooth transition for the department Go to Source LeRonne Armstrong was fired in February of 2023 over a misconduct probe; the city has not had a permanent chief since his firing Go to Source Assistant Chief Dominic H. Choi will not be allowed to apply for the permanent chief position; Choi stated his goal is to manage a smooth transition for the department Go to Source The Subaru Telescope has spotted the terminal ends of dark matter filaments in the Coma cluster stretching across millions of light years. This is the first time that strands of the cosmic web spanning the entire universe have been directly detected. This provides new evidence to test theories about the evolution of the universe. Go […] Introducing light conversion materials into silicon-based photovoltaic devices is an effective way to improve their photoelectric conversion efficiency. Light conversion materials include quantum cutting materials and upconversion materials. Go to Source Black holes are like temperamental toddlers. They spill food all the time, but ESA’s XMM-Newton has caught a black hole in the act of “flipping over the table” during an otherwise civilized meal. Go to Source When did the universe start? When and how did the first stars and galaxies form? What is the fate of the universe? Go to Source Astronomers from Curtin University in Australia and elsewhere report the detection of a new supernova remnant (SNR) located some 3,300 light years away. The newfound SNR, designated G321.3-3.9, has an elliptical shape and is estimated to be a few thousand years old. The finding was detailed in a paper published Jan. 30 on the pre-print […] Supercontinuum (SC) white light (the spectrum stretching from the near ultraviolet to the infrared wavelengths) has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics and chemistry. Compared with the frequently-used photonic crystal fibers and bulk materials, femtosecond laser filamentation in gases is damage-immune for SC generation. Go to Source Since early demonstrations of femtosecond laser as a three-dimensional (3D) processing tool, microdevices with exciting optical, electronic, mechanical, and magnetic functions have been manufactured, by which novel concepts from 3D quantum photonic integrated circuits to intelligent micro-robots are enabled. Go to Source |
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