The pickup truck, officials said, was illegally parked along the 100 block of East Capitol Street, where the U.S. Supreme Court building is also located; the block is near the U.S. Capitol and the Library of Congress
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The pickup truck, officials said, was illegally parked along the 100 block of East Capitol Street, where the U.S. Supreme Court building is also located; the block is near the U.S. Capitol and the Library of Congress
Researchers have discovered a thermal asymmetry deep beneath the surface across Mars’ southern hemisphere. Based on gravitational measurements that provide clues to the Red Planet’s interior structure, Mars’ southern interior is around 200 to 400 degrees Celsius warmer than the planet’s northern half and partially molten. The surprising finding adds context to Martian history and the periods during which it may have hosted conditions favorable for life.
The Roman Space Telescope is designed to directly image exoplanets using complex optomechanical systems developed by the Max Planck Institute for Astronomy
Since we cannot look into the interiors of stars and planets, we rely on lab experiments to replicate the physical processes that occur there. Led by the University of California, Los Angeles (UCLA), an international research team has produced the first experimental verification of a theoretically predicted flow state deemed characteristic of the interiors of rapidly rotating celestial bodies. The Helmholtz-Zentrum Dresden-Rossendorf (HZDR) also participated in the study, which has been published in Physical Review Letters. The results provide a robust experimental basis for testing theoretical models of the processes that occur inside these celestial bodies.
Efficiently controlling heat generation has become a major challenge as the semiconductors used in smartphones, computers and similar devices have become higher-performing and more miniaturized. The way heat is transmitted is determined by the vibration of the atoms that constitute a material, but it is not easy to directly examine, at the atomic scale, how neighboring atoms vibrate in coordination with one another.
Saturn’s moon Enceladus sports a thick shell of ice surrounding a liquid water ocean. As though scraped by an enormous claw, four parallel cracks slash across its south pole. Each about 500 meters (1,600 feet) deep, 2 kilometers (1.2 miles) across and 130 kilometers (81 miles) long, the fissures spew water vapor and other materials from the subsurface ocean directly into space. But the origin of these “tiger stripes” is mysterious.
A gun-toting suspect fled from Hartford officers in a vehicle; when officers stopped the car, he got out and engaged in a shootout that left two officers wounded by gunfire
Body camera video shows now-former Towns County sheriff Kenneth Henderson confronting a Hiawassee officer at a scene where a deputy had suffered a gunshot wound
Stanford researchers have offered an explanation for why some sizzling, lava-covered worlds nestled tightly around their stars can retain their atmospheres. At such close quarters, intense stellar radiation should strip away a planet’s air.
Scientists have developed a new acoustic levitation technique using an ultrasonic beam capable of levitating and moving small objects in midair over distances of up to 40 cm (16 inches), six times farther than previously achieved using conventional methods. The study, carried out by a research team from the University of Tsukuba in Japan and the University of Bristol, was published in the journal Physical Review Letters.
It has been a busy month for astronomy. In the midst of an eclipse season bookended by the total solar eclipse on Aug. 12 and the deep partial lunar eclipse coming up this week on Aug. 28, an outbound comet hanging high in the dawn sky just refuses to die: 220P/McNaught.
For decades, light has been used to understand the molecular structures of matter. A sample is irradiated with light, and measurements determine the wavelengths at which it is absorbed. Since each molecule absorbs light at very specific wavelengths that depend on its structure, the resulting absorption spectrum acts like a molecular fingerprint. For individual molecules, however, this signal is vanishingly small and mostly indistinguishable from noise.
Scientists from the National University of Singapore (NUS), in collaboration with Los Alamos National Laboratory in the United States, have uncovered that a class of nickel-based materials known as samarium (Sm)-based infinite-layer nickelates can regain their superconducting ability under strong magnetic fields. This behavior could open a promising pathway toward superconducting technologies that can operate under extreme magnetic conditions.
The sheriffs filed the suit on Aug. 25 as the Local Cops, Local Crimes Act took effect; the suit argues that the agreements are sanctioned by the U.S. Congress
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