Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

This video demonstrates the installation of a pulley saver for tree climbers, highlighting proper techniques to protect ropes and extend their lifespan. It provides step-by-step guidance for safe and ...

Abstract: Nowadays, robotic research focuses more and more on attaining energy-efficient and safe solutions. They are key-aspects of industrial robots, such as inspection and maintenance robots. The ...

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Today we are diving into some real life STEM as we explore the amazing simple machine pulley. We will learn about the different types of pulley systems. Then it is time to get hands on with a STEM ...

Git isn’t hard to learn. Moreover, with a Git GUI such as Atlassian’s Sourcetree, and a SaaS code repository such as Bitbucket, mastery of the industry’s most powerful version control tools is within ...

In the sure and certain hope of salvation, Penny Shelton Pulley passed away on July 28, 2025. She was sixty-six years old. Penny was born in Jacksonville, North Carolina and was predeceased by her ...

Serpentine belt tensioners and pulleys aren’t the same thing, but they’re closely related, and while a pulley is its own individual part, a component of almost every tensioner is a pulley. Pulleys, in ...

One common misconception is that belts will slip more frequently on composite pulleys than on metal pulleys. Not so! The wedging action of V-belts is so efficient that slip should never be an issue; ...

A controversial Philadelphia landlord was sentenced Thursday to three years’ probation and 100 hours of community service for casting ballots in several different counties in the 2020 and 2022 federal ...