An instrument is set to improve the detection and direct imaging of planets outside our solar system by harnessing the power of liquid crystals. The Programmable Liquid-crystal Active Coronagraphic Imager for the DAG telescope (PLACID) was installed earlier this year at the 4m-diameter telescope of the newly built Eastern Anatolian Observatory (DAG) observatory in Eastern Turkey. Now in the integration and validation phase, the first on-sky observations of PLACID are expected in the first quarter of 2026.
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Spirals of solar wind can spin off larger solar eruptions and disrupt Earth’s magnetic field, yet they are too difficult to detect with our current single-location warning system, according to a new study from the University of Michigan.
Recently, NASA revealed exciting details of new findings from Mars. Scientists have discovered tiny patterns of unusual minerals in the clay-rich rocks on the edge of Jezero Crater—an ancient lake once fed by Martian river systems, and the exploration site of the NASA Perseverance Rover.
Ultrathin structures that can bend, focus, or filter light, metasurfaces are reshaping how scientists think about optics. These engineered materials offer precise control over lights behavior, but many conventional designs are held back by inefficiencies. Typically, they rely on local resonances within individual nanostructures, which often leak energy or perform poorly at wide angles. These shortcomings limit their usefulness in areas like sensing, nonlinear optics, and quantum technologies.
Researchers have designed and demonstrated stretchable waveguides that maintain efficient, stable signal transmission of surface plasmon polaritons even when bent, twisted or stretched. These plasmonic waveguides could make it possible to seamlessly embed advanced sensing, communication and health monitoring functions into everyday wearable materials.
A clever mathematical tool known as virtual particles unlocks the strange and mysterious inner workings of subatomic particles. What happens to these particles within atoms would stay unexplained without this tool. The calculations using virtual particles predict the bizarre behavior of subatomic particles with such uncanny accuracy that some scientists think “they must really exist.”
Researchers from the University of Arizona, working with an international team, have captured and controlled quantum uncertainty in real time using ultrafast pulses of light. Their discovery, published in the journal Light: Science & Applications, could lead to more secure communication and the development of ultrafast quantum optics.
Inside nearly every cell of your body, the tiny F1 motor works non-stop to create adenosine triphosphate (ATP), the universal energy source that powers almost every action you take—from breathing to running. While scientists have understood the structure of this molecular machine for years, a key mystery remained: how does its partner, the F0 motor, spin F1 with maximum efficiency?
The man forcibly swung the shovel twice, hitting an Anaheim Police cruiser; when he turned to approach the officer, the officer opened fire
As officers worked to secure the area, suspects threw cones, poles and other objects at them; some jumped on the cruiser hoods and hit them with fireworks, causing them to catch fire
The Chicago Police Department disputed DHS Assistant Secretary Tricia McLaughlin’s statement, saying that its officers were on the scene
Chowchilla Police Officer Ray Barrantes died after his vehicle collided with the side of a semi-truck; he is remembered as a mentor to younger officers
The vehicle, donated to the Miami-Dade Sheriff’s Office by Policing Lab, will drive pre-determined routes, act as a visual crime deterrent and display messages to the community
Nearly 6,000 years ago, ancient people witnessed a supernova and carved what they saw on stone. Have you ever thought about what would happen if ancient mankind spotted a very bright object in the night sky around 6,000 years ago? They’d probably think of it as an extreme, even perhaps a divine sign, and make sure to record what they had seen through their favorite, and perhaps only artistic medium: a stone. Now, researchers say that that’s exactly what they have found in the Himalayan mountains. According to archaeologists, an enigmatic stone found the Himalayan territory of Kashmir may represent the oldest depiction ever found on Earth of a supernova.  According to scientists, the Supernova was visible with extreme brightenss—just like the moon—around 3,600 BC. They believe that ancient mankind witnessed the event, and decided to depict what they had seen on a stone. The site where the stone is located is believed to date back to 2100 B.C. The ancient scene depicted thousands of years ago shows two bright objects in the sky, with figures of animals and humans beneath them. Astrophysicist Mayank Vahia studied the stone and went on to discard several options. For example, he believes that the image does not show two suns or the sun and the moon at the same time. Eventually, he reached the conclusion that ancient mankind must have depicted a supernova, one that exploded relatively close to our solar system, and that could have been as bright as the moon in 3,600 BC. However, Vahia needed evidence that a supernova was actually visible on Earth between 4100 B.C. and 2100 B.C. Luckily, Vahia scoured astronomical records of ancient supernovae for one which may match the one depicted by ancient man thousands of years ago and found one. Supernova HB9 is believed to have been visible on Earth around 3,600 B.C. with a brightness that can be compared to that of the moon.  “We suggest that this is not a terrestrial hunting scene but is actually a sky-map giving the location of prominent constellations and the moon on the day the supernova was first observed,’ write the researchers, who superimposed a sky map of the HB9’s region on the ancient drawing and found notable astronomical clues. The image of one of the hunters coincides with the Orion; the central stag is same as the Taurus.” “The hunter on the right may have been formed from stars of Cetus and other animals on the right may be Andromeda and Pegasus. The long, curved line in the carving, traditionally interpreted as a spear, may well be an arc of bright stars.” Like many others before and after him, the first emperor of unified China, Qin Shi Huang, wanted to live forever. According to a set of recently discovered ancient texts, 2,200 years ago, the emperor issued an administrative order to seek for a potion that could grant him eternal life, reports the Xinhua news agency. Qin Shi Huang was born in 259 BC, and by the time of his death, in 210 BC, he had conquered the six disputed kingdoms of China and managed to create a unified nation of which, obviously, he was proclaimed emperor. As noted by scholars, during the reign of Qui Shi Huang, bamboo strips were a common writing material.  In 2002, more than 36,000 of bamboo strips containing ancient calligraphy were discovered in an abandoned well in the central Chinese province of Hunan. The discovery was of great importance and historical value. Zhang Chunlong, a researcher from the Hunan Institute of Archeology, analyzed 48 of these strips and discovered among them, a decree where the emperor ordered a search for potions that would grant him eternal life. Experts note that; “It required an extremely efficient administration and a considerable enforcement to pass such a decree in ancient times when transport and communication were extremely underdeveloped.” Scholars explain that the search for the Emperor’s elixir of life reached the borders of the empire. The bamboo strips offer evidence of the unusual order and various details. The ancient documents mention a town called “Duxiang” where “no miraculous remedy had been found,” but it implied that “searches were continuing.” Another locality, referred to as Langya, in the present province of Shandong “alluded to a plant harvested in a sacred mountain” that might have been what the emperor was searching for. Before the discovery of the Bamboo stripes, scholars already had an idea of Qin Shi Huang’s obsession with immortality. According to Chemistry World, the emperor thought that consuming cinnabar, composed of 85% mercury and 15% sulfur, would prolong his life.  Ironically, and as expected, it did the opposite killing him at the age of 49. Despite the fact that, the emperor did not discover the elixir of life, he equipped himself extraordinarily well for the afterlife: he was the emperor who had the underground mausoleum of Xian built in the north of the country, with 8,000 Terracotta warriors whose mission was to protect him in the afterlife. His eternal resting place was a supermassive subterranean mausoleum that has never been excavated by experts. Ancient records suggest that the underground palace has a roof that imitates the starry night with pearls and diamonds like stars and rivers of mercury. |
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