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When water forms squares: This North American lake fascinates observers

A winter storm created a surreal spectacle on Lake Michigan in late December 2025: waves forming perfect geometric squares on ...
IEEE

Finite-Difference Time-Domain Simulation of Wave Propagation in Space-Time-Varying Media: Derivation of schemes, extended framework, and illustrative examples

Abstract: We present a comprehensive tutorial on the finite-difference time-domain (FDTD) modeling of space, time, and space-time-varying media, building upon our previous review by offering a ...

Simultaneous packing structures in superionic water may explain ice giant magnetic fields

Superionic water—the hot, black and strangely conductive form of ice that exists in the center of distant planets—was ...

Unexpected oscillation states in magnetic vortices could enable coupling across different physical systems

Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have uncovered previously unobserved oscillation ...