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Processing materials on the nanoscale, producing prototypes for microelectronics or analyzing biological samples: The range of applications for finely focused ion beams is huge. Experts from the EU collaboration FIT4NANO have now reviewed the many options and developed a roadmap for the future. […]
Astronomers analyzing 13 years of data from NASA’s Fermi Gamma-ray Space Telescope have found an unexpected and as yet unexplained feature outside of our galaxy. […]
Quantitative photoacoustic tomography (QPAT) is a medical imaging technique that combines laser-induced photoacoustic signals and ultrasound detection to create detailed three-dimensional images of biological tissues. The process involves irradiating biological tissues with short laser pulses. These pulses are absorbed by light-absorbing molecules (chromophores) within the tissues, leading to rapid heating and the generation of ultrasonic waves or acoustic signals. […]
MIT’s Astrodynamics, Space Robotics, and Controls Laboratory (ARCLab) announced the public beta release of the MIT Orbital Capacity Assessment Tool (MOCAT) during the 2023 Organization for Economic Cooperation and Development (OECD) Space Forum Workshop on Dec. 14. MOCAT enables users to model the long-term future space environment to understand growth in space debris and assess the effectiveness of debris-prevention mechanisms. […]
The most evocative astronomy images take us across space and time to stars and galaxies billions of light-years away. Nestled at the center of this one, taken by the Hubble Space Telescope, is a collection of three galaxies. They’re not all that close together, although they appear to be in this image. What’s fascinating about this image is that it’s a fine example of an Einstein gravitational ring—and its discovery was enabled by members of the public. […]
When we look at the moon, either through a pair of binoculars, a telescope, or past footage from the Apollo missions, we see a landscape that’s riddled with what appear to be massive sinkholes. But these “sinkholes” aren’t just on the moon, as they are evident on nearly every planetary body throughout the solar system, from planets, to other moons, to asteroids. They are called impact craters and can range in size from cities to small countries. […]
When light goes through a material, it often behaves in unpredictable ways. This phenomenon is the subject of an entire field of study called “nonlinear optics,” which is now integral to technological and scientific advances from laser development and optical frequency metrology, to gravitational wave astronomy and quantum information science. […]
What looks like an aerial shot of an alien landscape is actually a scanning electron microscope view of a test glass surface, acquired as part of a project to improve the lifetime of spaceborne atomic clocks, found at the heart of navigation satellites. Each sharp plasma-etched feature seen here is smaller than 10 micrometers—a hundredth of a millimeter—across. […]
Class B; January 1975; Utah, San Juan County […]
Europa, one of Jupiter’s many moons, may be capable of supporting life because its icy surface likely obscures a deep, salty ocean. Europa’s ocean is also in direct contact with its mantle rocks, and interactions between rock, water, and ice could provide energy to sustain life. […]
An avalanche swept up skiers at Lake Tahoe’s largest ski resort on Jan. 10, 2024, as a 150-foot-wide sheet of snow slid down a mountain slope into a pile 10 feet deep. One person died in the avalanche, and three others were rescued, according to the Placer County Sheriff’s Office in Auburn, California. The slide happened in steep terrain near the KT-22 chairlift, which had just opened for the season that morning. […]
Controlling the direction of magnetization using low electric field is necessary for developing efficient spintronic devices. In spintronics, properties of an electron’s spin or magnetic moment are used to store information. The electron spins can be manipulated by straining orbital magnetic moments to create a high-performance magnetoelectric effect. […]
NISAR, the soon-to-launch radar satellite from NASA and the Indian Space Research Organization (ISRO), will measure some key Earth vital signs, from the health of wetlands to ground deformation by volcanoes to the dynamics of land and sea ice. […]
When Pittsburgh-based company Astrobiotic Technology launched its fuel-efficient, NASA-backed flight to the moon, hopes were high that it would be the first U.S. moon landing in more than 50 years. But a fuel leak resulted in the company pulling the plug on the landing and in NASA delaying its plans to return humans to the surface of the moon by a year as part of its Artemis program. […]
Researchers at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, have discovered X-ray activity that sheds light on the evolution of galaxies. […]
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