Researchers from Los Alamos National Laboratory have discovered that cosmic-ray showers seem to play a pivotal role in triggering lightning flashes. The research is published in the journal JGR ...

Sumitomo Electric has expanded its lineup of powder magnetic cores for motors and has added new material data to the ...

This article reviews the theory of poroelasticity, and shows that the spatial distribution of hydraulic permeability, the ease with which the solid matrix permits the flow of fluid under a pressure ...

In the last few years a new area of research has emerged as a result of our ability to produce materials with entirely novel electromagnetic properties. Known as metamaterials because they take us ...

The frozen permeability method technique is employed to improve ... assessed based on a uniform equivalent material layer around the stator core. Third, the electromagnetic vibration response of the ...

Abstract: The radial electromagnetic vibration of the rotor is critical for the electromagnetic noise of external-rotor (ER) surface-mounted permanent magnet (SPM) (ER-SPM) machines. Due to the ...

Electromagnetic metamaterials with negative physical parameters such as negative dielectric constant and negative magnetic permeability have attracted widespread attention in the academic community.

Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, 17. listopadu 12, 771 46 Olomouc, Czech Republic Department of Computer Science, Faculty of Science, Palacký ...

Senior Fellow and Director, Center for Defense Concepts and Technology The US military will require more, not less, access to the electromagnetic spectrum in the coming decade. Facing numerical and ...