First-of-its-kind experimental evidence defies conventional theories about how plasmas emit or absorb radiation
Most people are familiar with solids, liquids, and gases as three states of matter. However, a fourth state of matter, called plasmas, is the most abundant form of matter in the universe, found throughout our solar system in the sun and other planeta.....»»
"Writing" with atoms could transform materials fabrication for quantum devices
A new technology to continuously place individual atoms exactly where they are needed could lead to new materials for devices that address critical needs for the field of quantum computing and communication that cannot be produced by conventional mea.....»»
Radiation should be able to deflect asteroids as large as 4 km across
Researchers blast silica with an intense X-ray burst, watch it evaporate. Enlarge / Sandia National Labs' Z machine in action. (credit: Randy Montoya) The old joke about the dinosaurs going extinct because they didn't ha.....»»
Archaeologists discover southern army fought at "Europe"s oldest battle"
Archaeologists analyzed thirteenth century BC bronze and flint arrowheads from the Tollense Valley, north-east Germany, uncovering the earliest evidence for large-scale interregional conflict in Europe. The Tollense Valley in Mecklenburg-Western Pome.....»»
Six initiatives for prioritizing undergraduate student well-being
In a perspective, Holly C. White and colleagues argue that student well-being should be a goal of pedagogy, along with traditional metrics such as GPA and student retention. Despite evidence linking certain academic experiences with well-being outcom.....»»
High-resolution images of the sun show how flares impact the solar atmosphere
Solar flares are a fascinating thing and have a profound effect on what astronomers refer to as "space weather." These events vary with the sun's 11-year solar cycle, releasing immense amounts of radiation across the electromagnetic spectrum (from ex.....»»
Evidence tells us voters might be convinced to accept short-term pain for long-term gain—but it will be a hard sell
In the build-up to his government's first budget, Prime Minister Keir Starmer has been setting expectations low. It will be "painful," he has warned, and a "difficult trade-off" will have to be made because of the economic inheritance left by the las.....»»
Researchers found a simple way to make concrete 560% stronger
Scientists have created hollow concrete that is 5.6 times stronger than radiation concrete. The new design is based on the human femur, which features a … The post Researchers found a simple way to make concrete 560% stronger appeared first on.....»»
Stephen Hawking"s black hole radiation paradox could finally be solved — if black holes aren"t what they seem
Stephen Hawking"s black hole radiation paradox could finally be solved — if black holes aren"t what they seem.....»»
Europa Clipper overcomes transistor issue and is ready for launch next month
This May, engineers working on NASA's Europa Clipper had to deliver the kind of news that no one wants to announce: there was a problem with the spacecraft......»»
Analysis of heterostructures for spintronics shows how two desired quantum-physical effects reinforce each other
Spintronics uses the spins of electrons to perform logic operations or store information. Ideally, spintronic devices could operate faster and more energy-efficiently than conventional semiconductor devices. However, it is still difficult to create a.....»»
Scientists say there is enough evidence to agree to global action on microplastics
Science has provided more than sufficient evidence to inform a collective and global approach to tackle the continued spread of plastic pollution, according to a new report......»»
Artemis I mission data show astronauts sent to the moon aboard Orion will be protected from radiation
According to a large team of technical and health specialists, astronauts aboard the Orion spacecraft will be well protected from radiation when the Artemis II mission travels to the moon and back next year......»»
First-of-its kind tool allows scientists to manipulate cells without touching them
When studying the spread of cancer or the behavior of a virus like the one that causes COVID-19, the irony is that working with these harmful pathogens requires gentleness. Especially in the case of COVID, the particles do not survive well when makin.....»»
Detailed model suggests organic matter on Mars was formed from atmospheric formaldehyde
Although Mars is currently a cold, dry planet, geological evidence suggests that liquid water existed there around 3 to 4 billion years ago. Where there is water, there is usually life. In their quest to answer the burning question about life on Mars.....»»
Reducing floodplain development doesn"t need to be complex, say researchers
A paper, titled "How local governments avoid floodplain development through consistent implementation of routine municipal ordinances, plans, and programs," published in Oxford Open Climate Change uncovers evidence suggesting that, contrary to expect.....»»
Chinese scientists claim they can use Starlink satellites to detect stealth aircraft
Chinese scientists claim that radiation from Starlink constellations will actually let them detect stealth aircraft. It’s a bold claim, but based on the evidence presented … The post Chinese scientists claim they can use Starlink satellites t.....»»
Antioxidant carbon dot nanozymes alleviate depression in rats by restoring the gut microbiome
Depression is a significant challenge to diagnose and treat. Among the factors influencing depression onset and severity, there is growing evidence for chemical imbalances that generate oxidative stress throughout the body. To address this problem, r.....»»
Rugged Falklands landscape was once a lush rainforest, researchers say
A researcher from the University of Southampton (UK) has found evidence that the treeless, rugged, grassland landscape of the Falkland Islands was home to a lush, diverse rainforest up to 30 million years ago......»»
Tracking plasma progression in a picosecond: Physicists develop ultra-fast laser method to study high-density plasmas
In a few picoseconds (trillionths of a second), a small, thin piece of copper momentarily becomes dense plasma, specifically a state called warm dense matter, warm being a relative term—the metal is nearly 200,000 degrees Fahrenheit. With the short.....»»
How scientists are keeping the Orion spacecraft safe from radiation
NASA's Orion spacecraft will need to protect astronauts from dangerous radiation when they visit the moon in the upcoming Artemis missions......»»