What starts as a simple pulley restoration takes a weird turn when I find something unexpected inside. Rust, grime, and… well ...

Imagine if the ancient Egyptians had modern technology. Using computer design software, they would plan out their pyramid elements and dimensions; then, they’d use large excavator trucks and massive ...

We've seen a number of robotic prosthetic hands intended for amputees, but what about those that still have their hands but have lost function through nerve damage? Researchers at Oregon State ...

Explains how pulleys work to lift heavy weights more easily. A fixed pulley changes the direction of force, allowing for easier lifting, while a movable pulley reduces the amount of force needed to ...

The HitchMaster is a simple pulley with no moving parts. Like any pulley, it works by trading force for distance: it's easier to lift, say, an engine block, but you'll have to pull the rope a lot ...

Throughout history, humans have developed several simple machines to make work easier. The most notable of these are known as the "six simple machines": the wheel and axle, the lever, the inclined ...

In the world of rope rescue, we use mechanical advantage systems really for two reasons. The first being a force increasing tool and the second, a means of reducing the weight of a load during a ...

Have you ever seen a flag being raised, or wondered how a mechanical clock works? Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears. When a flag is raised, it will ...

ROLLNLOCK is the multipurpose device CLIMBING TECHNOLOGY dedicates to mountaineering, rope access work and self-rescue. Compact, ultralight and easy to handle, it offers three different modes of ...