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Each summer, lawns are marked by a familiar addition: “silly sprinklers,” whose loops and spirals spew water in creative ways. While seemingly frivolous in their construction, a team of mathematicians has used their design to address a long-standing mystery surrounding the laws of physics.
Researchers have designed and built the first 3D device that can make objects invisible to heat, an advance that could transform how we protect sensitive electronics, manage heat in microchips and shield equipment from thermal detection.
CANISIUS is the official name of the new spin-echo neutron interferometer developed at Atominstitut, TU Wien. It enables precise control of neutron waves, something that was previously impossible.
The planets that appear most common in the universe could have a lot of water—but it could be hiding where telescopes can’t detect it, according to a new study led by scientists with the University of Chicago.
The massive globular star cluster Omega Centauri has puzzled astronomers for decades. It should be filled with black holes left behind by exploding stars, yet evidence for them is scarce. Now, astronomers using archival data from NASA’s Hubble Space Telescope and supporting observations from NASA’s James Webb Space Telescope have finally located the first stellar-mass black hole in this cluster. Discovering the first of this missing black hole population will help refine current theories on black hole formation within environments such as Omega Centauri. The team’s findings were published in The Astrophysical Journal Letters.
When Phoenix Police officers arrived on the scene, a man chased another man outside of a home with a knife; officers fired shots after the suspect failed to stop and show his hands
Ex-Riviera Beach PD officer Carl Rashad Johnson was convicted of vehicular manslaughter in the crash where he drove nearly 60 mph over the speed limit without emergency lights activated
Nearly 600 commenters celebrated Kemah Officer Jordan Wilmore’s persistence while wondering how he will fit inside a patrol vehicle
A giant mirror to create “sunlight on demand” was just approved by the United States Federal Communications Commission (FCC), despite opposition from astronomers and the public, and real safety concerns.
Researchers have captured how a molecule redistributes energy after absorbing light, differentiating the roles of individual atoms in the process. They used X-ray flashes from the European XFEL to show that different atoms in the same molecule can reveal different aspects of the process. The study provides evidence that excitation by light can enhance an atom’s sensitivity to the motion of nearby atoms. The new method for following ultrafast chemical reactions at the atomic scale, in real time, can help researchers understand photostability in DNA, energy flow in light-harvesting materials and other fundamental processes driven by light.
The Grammy winner “has paid already the cost of the permit that was lodged, which was over $160,000 for that event and for the response to that event,” Mayor Zohran Mamdani said
Sugars are key biomolecules in living organisms, as they form the backbone of DNA and RNA and play a fundamental role in metabolic processes. In theories of the origin of life, sugars are also essential for the synthesis of the first nucleic acids. Despite their importance, one of the major questions in origin-of-life research is how the first sugars formed on Earth, since laboratory experiments show that they do not form in sufficient quantities under prebiotic conditions.
A material made from yttrium, barium and copper oxide (better known as YBCO) has intrigued scientists since its discovery in 1987, largely because it retains its superconductive properties at a higher-than-normal temperature. However, it is extremely brittle, which makes it tricky to put to practical use.
Not every World Cup goal is a classic. Sometimes a half-hearted shot goes in as a result of little more than a goalkeeper’s error. And on those occasions, goalies may be inclined to find an excuse.
Cornstarch can thicken soup or serve as a base for a DIY shampoo, but there’s more to the humble pantry staple. Given the right conditions, it seems to defy the laws of physics. Mixing cornstarch with water creates “oobleck”—a shape-shifting substance classified as a non-Newtonian fluid that changes states when subjected to a force.
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