The synchronization of four magnetic vortices without the use of a magnetic field has brought nanoscale microwave oscillators one step closer to fruition. Figure 1: Geometry of a spin-torque ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The 5071A Cesium Primary Frequency ...

Metal-organic frameworks (MOFs) are a class of crystalline materials that consist of coordination bonds between transition-metal cations and multidentate organic linkers. The structure of MOFs is ...

Thanks to its slighter profile, a metal bed frame can feel airier in a space than one made of wood, and they have the benefit of greater strength and durability. (It takes less metal than wood to make ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...