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Why petting your cat leads to static electricity

Anyone who has ever pet a cat or shuffled their feet across the carpet knows that rubbing objects together generates static electricity. But an explanation for this phenomenon has eluded researchers for more than two millennia.

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Bio & Medicine
Space-based experiments could help to advance early cancer detection through blood tests
Nanophysics
Nanostructures enable on-chip lightwave-electronic frequency mixer
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New method captures the stochastic dynamics in coherent X-ray imaging at the nanoscale
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Metasurfaces: Tiny tech with big potential
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Low-energy ion implantation enables 2D lateral p-n junction construction
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Spin-controlled generation of a complete polarization set with randomly interleaved plasmonic metasurfaces
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Advances in optical micronanofiber-enabled tactile sensors and soft actuators
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Illuminating the unavoidable imperfections of nanostructures
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Manipulation of nanolight provides new insight for quantum computing and thermal management
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New varactor enhances quantum dot device measurements at millikelvin temperatures
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Researchers demonstrate metasurfaces that control thermal radiation in unprecedented ways
Nanophysics
Advancing nanoscale imaging capabilities with dynamic nuclear polarization
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World's first micromachine twists 2D materials at will
Nanophysics
A world first: Qubit coherence decay traced to thermal dissipation
Nanophysics
Low-cost flexible metasurfaces to increase the efficiency of optoelectronic devices
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Unveiling the power of hot carriers in plasmonic nanostructures
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Team develops method for control over single-molecule photoswitching
Nanophysics
Quantum pumping in molecular junctions: Theoretical model could lead to switches and amplifiers
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Photolithography research shows computer chips have the potential to become even smaller
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Carbon nanotubes study finds local solvation is decisive for fluorescence of biosensors

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Plants & Animals
Study of global primate populations reveals predictors of extinction risk
Astronomy
Large radio bubble detected in galaxy NGC 4217
Space Exploration
Nuclear rockets could travel to Mars in half the time, but designing the reactors that would power them isn't easy
Analytical Chemistry
Using AI to figure out the chemical composition of paints used in classical paintings
Earth Sciences
Limestone and iron reveal puzzling extreme rain in Western Australia 100,000 years ago
Astronomy
The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?
Earth Sciences
Extensive afforestation and reforestation can brake global warming
Evolution
Study determines when and how pterosaurs went from tiny tree-climbers to towering terrestrial titans
Cell & Microbiology
Dietary zinc inhibits antimicrobial resistance gene transmission in lab tests
Condensed Matter
Harnessing magnetic relaxation: 'Pac-Man effect' enables precise organization of superparamagnetic beads
Space Exploration
Investigating the possibility of using asteroid material to grow edible biomass for astronauts
Space Exploration
ESA's Hera spacecraft set for asteroid 'crime scene investigation'
Earth Sciences
Antarctic 'greening' at dramatic rate, satellite data show
Superconductivity
Direct measurement of a subtle current phase relation shows potential for more stable superconducting qubits
Astronomy
Traces of antimatter in cosmic rays reopen the search for 'WIMPs' as dark matter
Molecular & Computational biology
Phage cocktail shows promise against drug-resistant bacteria
Plants & Animals
Scientists uncover auditory 'sixth sense' in geckos
Materials Science
Innovative method targets removal of PFAS from wastewater
Social Sciences
Survey experiment reveals celebrities and politicians could be the 'missing link' to mitigate climate change
Superconductivity
Niobium-tin magnet could be key to unlocking potential of heavy-ion accelerator