Home to the Rancho Mirage Writers Festival, author talks, stargazing, the Rancho Mirage Library & Observatory serves as a hub ...

Abstract: This article studies event-triggered nonsingular terminal sliding-mode control (TSMC) for a class of nonlinear systems. First, a static event-triggering mechanism is implemented in the ...

I use my trusty roof rake after every snowstorm. It's the proven way to prevent the ice dams that'll cause water damage in your home. Jon Skillings is an editorial director at CNET, where he's worked ...

The multi-ton shutter section fell outward onto the roof of the Great Hall, crushing several structural beams. The Great Refractor telescope was not damaged during the incident, but its precision ...

High in the mountains of Chile, a new telescope equipped with the world's largest digital camera will collect more astronomical data in a single year than all others combined, and promises to ...

There’s no shortage of stunning scenery and daytime activities in the Lakes. Now, an observatory is offering stellar nocturnal events too The Guardian’s journalism is independent. We will earn a ...

Bald eagle activity is reaching its peak along the Housatonic River. Guests were able to witness the birds soar across the sky, feed and perch along the river. “During the winter, bald eagles from the ...

It is just about that time of year: Sunday, Dec. 21 kicks off the 40th eagle-viewing season at the Shepaug Bald Eagle Observatory, according to FirstLight. The Observatory, owned and operated by ...

Abstract: The conventional sliding mode observer (SMO) employed in the sensorless control for the permanent magnet synchronous machine (PMSM) has the problems of chattering phenomena and phase delay, ...