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Category: 4. Physics
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Salt turns ice into a powerful flexoelectric material
Salt turns ice into a powerful flexoelectric material
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Streaming flexoelectricity in saline ice
Wen, X. et al. Flexoelectricity and surface ferroelectricity of water ice. Nat. Phys. https://doi.org/10.1038/s41567-025-02995-6 (2025).
Wikander, Ö. (ed.) Handbook of Ancient Water Technology (Brill, 2000).
Yin, J. et al. Generating electricity…
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Magnetic and electrical properties of pseudowollastonite nanoceramic prepared by wet method
Structural analysis
The internal structure of the pure and cobalt oxide doped samples that were sintered at 1300 °C for one hour is inspected by X-ray diffraction (XRD) patterns, as illustrated in Fig. 1. The XRD pattern in Fig. 1a for pure…
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Does Space-Time Really Exist?
Exploring different approaches to understanding space-time deepens our understanding of reality. Credit: Shutterstock Is time something that flows — or just an illusion? Exploring space-time as either a fixed “block universe” or…
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Tiny magnetic spirals unlock the future of spintronics
Spintronics, or spin-electronics, is a revolutionary approach to information processing that utilizes the intrinsic angular momentum (spin) of electrons, rather than solely relying on electric charge flow. This technology promises faster, more…
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Physicists just found a way to make “something from nothing”
In 1951, physicist Julian Schwinger theorized that by applying a uniform electrical field to a vacuum, electron-positron pairs would be spontaneously created out of nothing, through a phenomenon called quantum tunneling.
The problem with turning…
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Graphene just broke a fundamental law of physics
For several decades, a central puzzle in quantum physics has remained unsolved: Could electrons behave like a perfect, frictionless fluid with electrical properties described by a universal quantum number? This unique property of electrons has…
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Recreating Iceberg Flips in a Lab
• Physics 18, 159
Experiments with small, floating slabs of ice have revealed melting-induced shape changes that may explain why icebergs sometimes flip over.
Jo/stock.adobe.com
Tipping point. Icebergs—like this… Continue Reading
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Black hole explosion could change everything we know about the Universe
Physicists have long believed that black holes explode at the end of their lives, and that such explosions happen — at most — only once every 100,000 years. But new research published in Physical Review Letters by physicists at the University…
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