Abstract: This paper presents a kind of attitude estimation algorithm based on quaternion-vector switching and square-root cubature Kalman filter for autonomous underwater vehicle (AUV). The filter ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

It is no surprise, then, that the death of Renee Macklin Good immediately led grieving Minnesotans, poets, and artists to create. Our desperation to elegize her is not unlike paramedics holding ...

Chris is a writer and editor with over 10 years of experience covering games and has a bachelor's degree in History from the University of Central Lancashire. He's mainly focused on guides, but has ...

Discover a fast and powerful calculus-based method for finding square roots with impressive accuracy. This explanation shows how derivatives and iterative approximation can be used to quickly zero in ...

The transition from mild autumn temperatures to winter’s chill has signaled the start of the forage dormancy period and hay feeding season is upon us. A few weeks ago, my colleague Ted Wiseman ...

Your enjoyment of a round of golf can be hugely impacted by the tee box from which you choose to play. Select a tee that’s too short and you’ll be hitting driver-wedge all day; too long, and you’ll ...

With three years spent researching, comparing, and testing software products, Tyler Webb is an expert on all things telecommunications. With work featured on GetVoIP.com, he's written over 150 ...

Apple has officially released iOS 26 to everyone, and while changes like Liquid Glass make the update impossible to miss, there are plenty of useful new features that aren’t as obvious. Some of them ...

Chinch bugs, small insects with black triangular wing patches, can quickly damage lawns, especially St. Augustine grass. Homeowners can confirm chinch bug infestations using the flotation method or by ...