China's shipments of rare earth magnets saw a decline in September. This happened before new, stricter export rules were even put in place. The drop was about 6. 1% compared to the previous month. This news comes from official Chinese customs data. So, why is this a big deal? Rare earth magnets are
The Sun has been quite active lately, sending out bursts of energy and particles known as coronal mass ejections (CMEs). These CMEs are expected to reach Earth tonight, potentially causing a geomagnetic storm. This storm could make the northern lights, or Aurora Borealis, visible in 15 states across
Earth's magnetic field is a vital shield that protects life and creates beautiful auroras. Right now, a weak spot in this shield is expanding over the South Atlantic Ocean. This isn't new, but recent data shows it's growing faster than expected. For over a decade, the European Space Agency's Swarm
Dark matter is a cosmic mystery. It's everywhere but invisible. Scientists think it's way more common than the stuff we see. One idea is that dark matter is made of tiny, hypothetical particles called axions. These axions might turn into light when they pass through super-strong magnetic fields, lik
Mars, our rusty neighbor, has been hiding a secret deep inside. Recent findings from NASA's InSight mission reveal that Mars has a core similar to Earth's, with a solid center surrounded by a liquid outer layer. This discovery, published in Nature, helps us understand how Mars evolved over billions
New, compact magnetic sensors are changing the game. They let scientists study tiny magnetic fields in a way that wasn't possible before. These fields come from electrical currents in the body, like those in the spinal cord and chest. Researchers ran simulations to see how these currents create magn
Scientists have been exploring the use of tiny magnetic particles mixed with blood to improve heat transfer and potentially revolutionize medical treatments. These nanofluids, specifically Fe3O4/blood and CoFe2O4/blood, are being studied for their ability to enhance thermal conductivity and efficien
Stroke recovery is a big deal, and scientists are always looking for new ways to help people bounce back. One method that's been getting a lot of attention is transcranial magnetic stimulation, or TMS. This technique uses magnetic fields to stimulate nerve cells in the brain. It's not a new idea, bu
Tiny robots are making big waves in medicine. These little helpers, called microrobots, can move around without wires. They could one day help doctors treat patients without surgery. But there's a problem. Most microrobots are made from soft materials. They can't move well in fast-flowing blood. The
The fetal brain is a complex puzzle. Scientists have been trying to solve it using special brain scans. These scans are called diffusion tensor imaging (DTI). They show how water moves in the brain. This movement gives clues about how healthy the brain is and how well it's developing. Researchers w
