Astronomers have cataloged billions of stars and hundreds of billions of galaxies. We have found thousands of planets orbiting stars. We can also map where galaxies sit and trace how the universe changes over time.
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Astronomers have cataloged billions of stars and hundreds of billions of galaxies. We have found thousands of planets orbiting stars. We can also map where galaxies sit and trace how the universe changes over time.
There’s big news from the quantum world. A quantum computer has been used in space for the first time. The device was aboard a spacecraft in low Earth orbit and demonstrated technology that could eventually help solve a problem that has been bugging satellites for years.
The moon no longer has a global magnetic field, but lunar rocks and soils still contain records of ancient magnetism. Studying the magnetic minerals in these samples can help scientists understand how the moon’s magnetic field evolved over time.
Electromagnetic waves in the gigahertz (GHz) range, such as those used in mobile communications, can readily pass through many types of glass. However, transmission decreases significantly at terahertz frequencies above a characteristic threshold.
The suspect showed “obvious signs of narcotics impairment” after fleeing a traffic stop, according to the Thurston County Sheriff’s office
The suspect showed “obvious signs of narcotics impairment” after fleeing a traffic stop, according to the Thurston County Sheriff’s office
A tiny device that can be reprogrammed using a laser could lead to adaptable devices for computing, imaging and telecommunications. Most devices are built to perform a particular job. If you want them to do something different, you generally need to replace a component, rewire the system or manufacture a new one. For example, every time you ask a large language model like ChatGPT or Claude a question, many electrical signals race through computer chips, carrying information and performing calculations. This takes energy, and lots of it.
Researchers at the DarkSide collaboration have unveiled results from a seven-year experiment that tested whether dark matter particles could exist as composites of smaller, elementary particles. While the search turned up no direct evidence of this “ultraheavy nuclear” dark matter, results from the DarkSide-50 detector could lay the groundwork for future experiments, helping physicists work out whether dark matter has an internal structure.
Video: Suspect nearly strikes Nev. officer, hits cruiser, jumps out of moving vehicle during pursuitA Sparks Police officer fired shots at the suspect after narrowly avoiding being hit, but the suspect continued to flee
Spacecraft propulsion traditionally relies on volatile fuels and separate, bulky systems for different types of maneuvering in space. NASA is working to change that. Engineers at NASA’s Marshall Space Flight Center in Huntsville, Alabama, recently completed a series of environmental and physical tests on a new small satellite designed to make spaceflight safer and more efficient.
The woman had stabbed two people in the square, killing one before she approached officers and told them that they would have to kill her
Astronomers using data from the Euclid space telescope have discovered an exceptionally faint stellar system near the Fornax dwarf galaxy. Called Fornax-7, it appears to contain only about 170 times the mass of the sun in stars. The discovery paper was posted to the arXiv preprint server on Sept. 13.
SpaceX launched its enormous Starship toward orbit for the first time Monday, aiming for six full laps around Earth to prove its readiness for NASA’s Artemis moon program.
A new graph-theoretic framework provides a unified description of atom-light interactions across regimes ranging from weak to deep-strong coupling.
In a new study published in Physical Review Letters, researchers have shown that magnetic order can survive weak quantum fluctuations in disordered magnets that lack an energy gap. The work establishes robust ferromagnetism in the two-dimensional random-bond quantum Ising model, confirming a longstanding conjecture in quantum statistical mechanics.
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