PhysicsPermanent-Magnet Penning Trap Reaches 47 ppb Axial StabilityA 4 K NdFeB trap combines a 280 mT permanent field with superconducting image-current readout to demonstrate single-particle precision without a superconducting magnet.physicsSep 25, 20265 min2609.26858
PhysicsSolar Orbiter Extends Geomagnetic Storm Warnings by HoursFar-upstream magnetic-field measurements constrain CME propagation and drive Dst forecasts 15.3 and 4.3 hours before shocks reach L1.physicsAug 16, 20264 min2508.13892
