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News
In 1903, a mining engineer staked a claim on Arizona's Meteor Crater, convinced a fortune in iron lay beneath the floor, and spent 26 years drilling for a meteorite that had mostly vaporized on impact — his family still owns the crater today, and science later proved him right about everything except the treasure
48+ min ago (26+ words) A wealthy engineer bet his fortune on a hole in the ground that science said was worthless, and spent three decades proving the experts catastrophically wrong....
Discarded Phone Batteries Turned Into Water-Purifying Carbon
34+ min ago (607+ words) Every year, millions of lithium-ion batteries reach the end of their lives, and most of the graphite inside them is quietly thrown away....
Atomic Swap in Two-Dimensional Nitrides Unlocks Five New Water-Splitting
1+ hour, 7+ min ago (506+ words) A single-atom substitution could transform one of the most exciting families of two-dimensional materials from a laboratory curiosity into a working engine for solar fuels....
Medicinal Plant Polysaccharide Yields Silver-Decorated Carbon Dots for
3+ hour, 6+ min ago (55+ words) Researchers in China have transformed a polysaccharide extracted from the rhizomes of Polygonatum cyrtonema Hua, a plant long valued in traditional food and medicine, into a highly engineered carbon nanomaterial that can detect trace organic pollutants at concentrations as low…...
Atomic-scale 'primer coat' prevents leakage in next-gen transistors
13+ hour, 25+ min ago (487+ words) A few atoms of aluminum oxide could solve a key trade-off holding back next-generation 2D semiconductor technology. Taiwanese researchers have developed a new atomically thin “primer coat” for molybdenum disulfide (MoS₂) that lets you put an extremely thin gate insulator on top…...
CoSi Semimetal Wires Beat Copper by Getting Better as They Shrink
9+ hour, 28+ min ago (652+ words) For half a century, the relentless shrinking of computer chips has been governed by a simple rule: make everything smaller, faster and more efficient. Yet one component has quietly become a bottleneck that threatens the entire trajectory of modern electronics....
Why do fire colours come first in a rainbow? The kids’ quiz
16+ hour, 23+ min ago (317+ words) Five multiple-choice questions – set by children – to test your knowledge, and a chance to submit your own junior brainteasers for future quizzesSubmit a questionMolly Oldfield hosts Everything Under the Sun, a podcast answering children’s questions. Do check out her…...
Shape Memory Films Turn Waste Heat Into Cooling
1+ week, 5+ day ago (649+ words) KIT researchers have built a solid-state cooling unit that uses waste heat instead of electricity, using two thin shape-memory alloy films. Shape Memory Films Turn Waste Heat Into Cooling KIT researchers have built a solid-state cooling unit that uses waste…...
Can Mechanical Strain Power the Future of Computing? - Georgia Institute of Technology
2+ day, 6+ hour ago (233+ words) Applying mechanical strain to semiconductor devices can improve the flow of electrons, enabling faster and more energy-efficient computing. Image above is not a depiction of an actual device or experimental result. Every computer, from the large, clunky machines of the…...