To streamline steer roping practice, people started pulling dummy cows with ATVs. Then a pair of cowboy engineers took it a ...

Out of all of Batman’s massive array of tools which turn a relatively ordinary person into a superhero, perhaps his most utilitarian is his grappling gun — allowing him the ability to ...

A static redirect in Moving Rope System (MRS), often associated with Double Rope Technique (DRT) climbing, allows arborists to change the rope’s direction through the canopy while reducing friction ...

VALLEY CITY, Ohio -- When a thousand-pound animal decides it’s not getting up, you don’t simply grab a few friends and count to three. You call in ropes. Pulleys. And a surprising number of trained ...

Abstract: This study presents a novel dual-mode pneumatic gravity compensation device, which comprises a pneumatic cylinder, a rope–pulley system, and a gear mechanism. It employs a rope–pulley ...

It was a real pyramid scheme. Scientists have proposed a groundbreaking new theory on how Egypt’s Great Pyramid was built, positing that they used a pulley and counterweight system to erect it so ...

I made a belt and pulley system to spin a blower faster than the previous rope-and-stick method, aiming for higher air pressure during smelts. Testing clay and cane wheels, including a floating ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

The Great Pyramid of Giza—the largest of Egypt’s pyramids—consists of about 2.3 million limestone blocks. The smallest of these weigh two tons, while the largest weigh over 60. History says laborers ...