The growing adoption of distributed energy resources, coupled with new technological innovation, is transforming the U.S. electricity system. Finding the best ways to manage this evolving grid is ...

IN a recent communication 1, Ahrens reported some data on the frequency distribution of some of the elements in igneous rocks, and enunciated a geo-chemical law to the effect that the concentration of ...

A bandpass allows a certain electrical signal to pass while filtering out undesirable frequencies. In a speaker bandpass, the mid-range speaker doesn’t receive tones meant for the tweeter or woofer.

Bandpass filters are used in both wired and wireless communications systems, sensor applications, instrumentation, medical applications, and many others. When it comes to these types of applications, ...

Checking the cleanness of a sample of steel can be a time consuming business. The usual way of going about it is to use metallographic techniques to prepare a thin slice of the material being analysed ...

Study of some processes of nucleosynthesis in the evolving galaxy / A.K. Lavrukhina and R.I. Kuznetsova -- Some long-lived and stable nuclides produced by nuclear reactions / R. Gensho [and others] -- ...