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Researchers have demonstrated that electrons accelerated to relativistic speeds within a dielectric material emit short bursts of x‑rays, replicating the high‑energy component of natural lightning. The experiments reveal that dielectric breakdown can produce radiation comparable to thunderstorm discharges, bridging atmospheric physics and solid‑state science. The findings open a pathway to engineered, compact x‑ray sources that mimic lightning’s energetic output. Publication in Physics 19 highlights a novel intersection of particle acceleration and material science.
Researchers introduced a novel coordinate transformation tailored for an expanding universe, revealing how a collapsing protogalaxy can amplify magnetic fields to galactic scales. The framework shows that cosmic expansion dynamics directly feed into magnetic field growth during protogalactic collapse. Simulations...
Researchers have synthesized a novel layered crystal that can be tuned continuously from a three‑dimensional bulk to an atomically thin two‑dimensional sheet. By thinning the material, they observed a striking transformation in metallic electron behavior, including a sharp reduction in...
Neutron scattering experiments have captured the elusive chiral phonon modes in a magnetic crystal, revealing how atomic vibrations twist in concert with magnetic order. The study provides the first direct visualization of these handed lattice excitations, confirming long‑standing theoretical models....
Researchers have shown that an oil droplet suspended in water can reversibly change shape from a regular hexagon to a six‑pointed star when temperature crosses a narrow threshold. The transition is driven by temperature‑dependent anisotropy in interfacial tension, allowing precise...
