There is a big problem with quantum technology—it’s tiny. The distinctive properties that exist at the subatomic scale usually disappear at macroscopic scales, making it difficult to harness their superior sensing and communication capabilities for real-world applications, like optical systems and advanced computing.
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1,337 seconds: that was how long WEST, a tokamak run from the CEA Cadarache site in southern France and one of the EUROfusion consortium medium size Tokamak facilities, was able to maintain a plasma for on 12 February. This was a 25% improvement on the previous record time achieved with EAST, in China, a few weeks previously.
An asteroid that could level a city now has a 3.1-percent chance of striking Earth in 2032, according to NASA data released Tuesday—making it the most threatening space rock ever recorded by modern forecasting.
A team of Japanese archaeologists discovered 24 new geoglyphs in Peru’s Nazca Desert, which could be among the oldest in this area according to researchers from the Yamagata University from Japan. Almost invisible on the surface, the images were obtained through 3-D scans conducted on the ground north of the city of Nazca. The Geometric shapes drawn on the desert floor were found a kilometer and a half north of the city of Nazca, the figures include a drawing of what appears to be a “llama” and other representations that are not so recognizable. According these lines would date back to the III and V centuries BC. This means that these newly found lines at Nazca would correspond to the time of the Paracas, which signifies that these new lines are the oldest lines ever found in the area, predating the more famous lines such as the hummingbird, monkey, humanoid figure, etc.
The largest of the lines has a zoomorphic appearance, similar to a llama, which is a widespread animal in the area, the figure is around 20 meters long. Experts were researching the Nazca lines during December and January, the new findings have been communicated to the Government of Peru and the discovery was presented at a press conference in Yamagata, Japan. The research team from the Japanese University began its research at Nazca in 2004, since then, they have found a total of 41 geometric figures in the desert, these “lines” have been recognized as a s a World Heritage Site by UNESCO. These geoglyphs are currently threatened “by the expansion of urban areas,” said Japanese archaeologist Masato Sakai, head of research who emphasized the need to “preserve” these historical figures and share their importance with the local and worldwide population. Researchers speculate that these are numerous other lines and geometric shapes that have been lost in the area. Despite the age of the Nazca lines, these famous and enigmatic figures were not discovered until 1930 since the pain of the desert surface only allowed the elaborate designs to be seen accurately from the air. The Nazca is a culture that belongs to ancient Peru and flourished between 200 BC and 600 AD on the banks of the Rio Grande. Their most impressive legacy to humanity are the famous Nazca lines, which include 800 designs among them animals and around 1,000 straight lines.
There are some scholars that have discovered curious patterns in the numerous designs and they suggest that the Nazca might be one of the earliest known examples of applied geometry. The meaning and purpose of the Nazca lines is still a debate among researchers. The lines were formed by the careful removal of the reddish iron oxide pebbles that make up the desert surface. Once exposed, the underlying dirt, which contains high amounts of lime, hardened and resistant to erosion. Nazca holds infinite mysteries, but at the same time answers, the question is will we ever truly understand this gigantic display of creativity and geometry? One thing is certain, this area of Peru will continue to be an area of huge interest to archaeologists, scientists and historians. More pocked with craters than any other object in our solar system, Jupiter’s outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however, NASA’s Galileo spacecraft captured magnetic measurements near Callisto that suggested that its ice shell surface—much like that of Europa, another moon of Jupiter—may encase a salty, liquid water ocean.
The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with Venus so far.
The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut down after 11 years in space. But the research on data Gaia collected will continue for many years to come.
In 1974, science fiction author Larry Niven wrote a murder mystery with an interesting premise: Could you kill a man with a tiny black hole? I won’t spoil the story, though I’m willing to bet most people would argue the answer is clearly yes. Intense gravity, tidal forces, and the event horizon would surely lead to a messy end. But it turns out the scientific answer is a bit more interesting.
The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.
Creating and sustaining fusion reactions—essentially recreating star-like conditions on Earth—is extremely difficult, and Nathan Howard, Ph.D., a principal research scientist at the MIT Plasma Science and Fusion Center (PSFC), thinks it’s one of the most fascinating scientific challenges of our time.
In a study published in Optics Express, a research group led by Prof. Fu Yuxi from Xi’an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences has developed the first room temperature holmium-doped yttrium lithium fluoride (Ho:YLF) composite thin disk laser, which can achieve high efficiency and quality continuous-wave laser output.
When atoms collide, their exact structure—for example, the number of electrons they have or even the quantum spin of their nuclei—has a lot to say about how they bounce off each other. This is especially true for atoms cooled to near-zero Kelvin, where quantum mechanical effects give rise to unexpected phenomena. Collisions of these cold atoms can sometimes be caused by incoming laser light, resulting in the colliding atom-pair forming a short-lived molecular state before disassociating and releasing an enormous amount of energy.
Scientists are racing to develop new materials for quantum technologies in computing and sensing for ultraprecise measurements. For these future technologies to transition from the laboratory to real-world applications, a much deeper understanding is needed of the behavior near surfaces, especially those at interfaces between materials.
Atomic nuclei exhibit multiple energy scales simultaneously—ranging from hundreds down to fractions of a megaelectronvolt. A new study demonstrates that these drastically different scales can be explained through calculations based on the strong nuclear force. The research also predicts that the atomic nucleus neon-30 exhibits several coexisting shapes.
Researchers at North Carolina State University have demonstrated a new technique that uses light to tune the optical properties of quantum dots—making the process faster, more energy-efficient and environmentally sustainable—without compromising material quality.
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