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139 notícias encontradas para "field"
Evidence of elusive high-energy gravitons in quantum Hall systems
Electrons, negatively charged particles, sometimes coordinate their movements in ways that produce certain collective excitations referred to as quasiparticles. One case in which this occurs is the quantum Hall effect, a phenomenon that emerges when electrons are confined to a ve
Admin Recifes 15/07/2026 2
Birdwatch: A yellowhammer cheer squad on my cycle around Suffolk
That characteristic song was an unexpected delight alongside the chiffchaffs, blackcaps and whitethroats tooWith hindsight, the late June heatwave was not the ideal time for my (very) old schoolmates and me to be cycling around Suffolk. Yet, despite the searing heat and the laten
Admin Recifes 15/07/2026 2
Country diary: The field names here read like a history book | Eben Muse
Country diary: The field names here read like a history book | Eben Muse
Ynys Enlli, Gwynedd: A stroll down this island’s one road provides clues to its past – and it has nothing to do with the 20,000 saints apparently buried hereIn 1938, the Welsh naturalist Ronald Lockley described Ynys Enlli (Bardsey Island) as a mountain “crudely cemented to a low
Admin Recifes 15/07/2026 2
Quantum material opens new path for studying unusual electronic behavior
Quantum material opens new path for studying unusual electronic behavior
By combining approaches from two rapidly growing fields of quantum physics, researchers at Penn State and Saint Louis University have demonstrated that a novel specialized material can naturally enable a new way to study unusual physical phenomena known as non-Hermitian dynamics.
Admin Recifes 15/07/2026 2
NASA space telescope maps magnetic fields of 'Lighthouse' pulsar
NASA space telescope maps magnetic fields of 'Lighthouse' pulsar
For the first time, scientists have used NASA's IXPE (Imaging X-ray Polarimetry Explorer) to directly measure the magnetic fields of PSR J1101−6101, a pulsar located within what is often referred to as the Lighthouse Nebula. The results provide new insight into the structure of s
Admin Recifes 15/07/2026 2
This electric field trick boosted heat flow by nearly 300%
This electric field trick boosted heat flow by nearly 300%
Researchers discovered that electricity can dramatically reshape how heat flows through certain ceramic materials, increasing heat conduction by almost threefold in a preferred direction. The unexpected result could lead to much more efficient cooling technologies and energy-savi
Admin Recifes 15/07/2026 2
Managing water with local wisdom and science
Managing water with local wisdom and science
Across a narrow watershed in Asakura, a rural city in Fukuoka Prefecture, centuries-old stone channels still guide water through fields and into the river below. Today, those same systems are the focus of researchers at Kyushu University's Watershed Systems Engineering Laboratory
Admin Recifes 15/07/2026 2
Drawing the line: Virtual fences trigger the same cattle behavior as physical ones
Drawing the line: Virtual fences trigger the same cattle behavior as physical ones
Virtual fences could make managing grazing livestock on farms more flexible and more efficient while improving animal welfare. A new study by the University of Göttingen shows that virtual fences trigger behavior in cattle similar to that caused by conventional electric fences, i
Admin Recifes 15/07/2026 2
Tiny magnetic 'flowers' could expand how researchers image spintronic materials under stro
Tiny magnetic 'flowers' could expand how researchers image spintronic materials under stro
Materials with magnetic nanostructures have a wide range of potential applications. One area is so-called spintronics, with devices that encode information in magnetic domains. These magnetic bits can be written, read and erased in a more energy-efficient way than bits in current
Admin Recifes 15/07/2026 2
Scientists strike invisible gold in the deep sea—locked inside fool's gold
Scientists strike invisible gold in the deep sea—locked inside fool's gold
Pyrite, an iron sulfide ore, is often known as fool's gold because its shiny metallic luster and pale brass-yellow color can easily fool the untrained eye into mistaking it for real gold. This time, however, 360 kilometers (220 miles) south of Tokyo, scientists have uncovered inv
Admin Recifes 15/07/2026 2
New imaging method reveals how electric fields reshape ferroelectric materials
New imaging method reveals how electric fields reshape ferroelectric materials
New research is shedding light on longstanding debates over the behavior of ferroelectric materials when those materials are exposed to electric fields. The findings stem from the use of a novel technique that allows researchers to observe the real-time behavior of domain walls i
Admin Recifes 15/07/2026 2
Who is ‘stealing’ Bali’s water? How tourism siphoned off a prized resource
Who is ‘stealing’ Bali’s water? How tourism siphoned off a prized resource
Along with the rice fields, a centuries-old infrastructure that treated water as a gift to be shared is disappearing I Putu Partayasa pushes his fingers into the soil as he squats at the edge of a rice terrace. They come up dry. His field has water; his neighbour’s does not. “We
Admin Recifes 15/07/2026 2
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