Space on MSN

Binary Star System Surprisingly Found Near Monster Black Hole

A pair of stars orbiting one another has been found near the supermassive black hole Sagittarius A* using the European ...

New instrument at SOAR achieves first light with observations of remarkable binary star system

The SOAR Telescope, located on Cerro Pachón in Chile, has received a major upgrade with the installation of the SOAR ...
The Avid Outdoorsman on MSN

Rifles with triggers that stay crisp after years of use

That’s why seasoned hunters and shooters pay attention to rifles with triggers that hold their quality after thousands of ...
IEEE

Harmonics and Disturbance Rejection in Optoelectronic Tracking and Measuring Systems Using Trigger Resonant and Robust Current Controller With Cascaded Two-Degrees-of-Freedom ...

Abstract: This article proposes a novel method for harmonics and disturbance suppression in permanent magnet synchronous motors (PMSMs) used in photoelectric tracking and measuring systems. The ...