Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why ...

Abstract: In this paper, a multi-constraint navigation law based on sliding mode control is proposed. Firstly, according to the coupled relative motion equation on the three-dimensional plane, the ...

Abstract: To address the challenge of balancing limited energy utilization with strike accuracy for long-range maneuvering vehicles, a guidance method incorporating impact angle constraints and energy ...

A new method developed at the University of Warwick offers the first simple and predictive way to calculate how irregularly ...

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

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This paper describes Unbend - a new method for measuring and correcting motions in cryo-EM images, with a particular emphasis on more challenging in situ samples such as lamella and whole cells. The ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

This engineering exam, which is a gateway to some of the premium engineering colleges such as IITs, NITs and more, cover ...

The objective of this publication is to provide the state-of-the-art practice and detailed technical elements related to ground motion evaluation by ground motion prediction equations (GMPEs) and site ...

For years, managers have been encouraged to praise and constructively criticize just about everything their employees do. But there are better ways to help employees thrive and excel. by Marcus ...