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An interdisciplinary team of experts in green chemistry, engineering and physics at Flinders University in Australia has developed a safer and more sustainable approach to extract and recover gold from ore and electronic waste. Explained in the leading journal Nature Sustainability, the gold-extraction technique promises to reduce levels of toxic waste from mining and shows Continue Reading
Scientists from TU Delft (The Netherlands) have observed quantum spin currents in graphene for the first time without using magnetic fields. These currents are vital for spintronics, a faster and more energy-efficient alternative to electronics. This breakthrough, published in Nature Communications, marks an important step towards technologies like quantum computing and advanced memory devices. Quantum Continue Reading
Optical biosensors use light waves as a probe to detect molecules, and are essential for precise medical diagnostics, personalized medicine, and environmental monitoring. Their performance is dramatically enhanced if they can focus light waves down to the nanometer scale – small enough to detect proteins or amino acids, for example – using nanophotonic structures that Continue Reading
Ultra-intense lasers can accelerate electrons to near-light speeds within a single oscillation (or ‘wave cycle’) of the electric field, making them a powerful tool for studying extreme physics. However, their rapid fluctuations and complex structure make real-time measurements of their properties challenging. Until now, existing techniques typically required hundreds of laser shots to ***emble a Continue Reading
The event marked the launch of the company’s new business line, Redwood Energy, which will repurpose (rather than recycle) batteries with years of remaining life to create renewable-powered microgrids. Such small-scale energy systems can operate on or off the larger electricity grid, providing electricity for businesses or communities. Redwood Materials says many of the batteries Continue Reading
Unlike the RS-25 firing at Stennis, NASA chose to broadcast the booster test. Everything appeared to go well until 1 minute and 40 seconds into the burn, when a fiery plume of super-hot exhaust appeared to burn through part of the booster’s structure just above the nozzle. Moments later, the nozzle disintegrated. Solid rocket boosters Continue Reading
Regeneration is a trick many animals, including lizards, starfish, and octopuses, have mastered. Axolotls, a salamander species originating in Mexico, can regrow pretty much everything from severed limbs, through eyes and parts of brain, to the spinal cord. Mammals, though, have mostly lost this ability somewhere along their evolutionary path. Regeneration persisted, in a limited Continue Reading
A fireball captured on a dashcam in South Carolina Kathryn Rose Farr via Facebook Sightings of a fireball streaking down from the sky were reported by eyewitnesses in several south-eastern US states on the afternoon of 26 June. The American Meteor Society’s website has logged at least 142 reports about the fireball event from observers Continue Reading
Written by Scott VanBommel, Planetary Scientist at Washington University in St. Louis Earth planning date: Monday, June 23, 2025 Curiosity was back at work on Monday, with a full slate of activities planned. While summer has officially arrived for much of Curiosity’s team back on Earth, Mars’ eldest active rover is recently through the depths Continue Reading
Taking a nap might help with solving problems Pavel Marys / Alamy Waking up from a deep nap appears to make people better at creative problem-solving. In a new study, people were more likely to have a “eureka” moment if they had recently entered the second stage of sleep – in which brain activity slows Continue Reading
