The scissor jack is what most people are familiar with ... Hi-lift jacks use a fairly simple ratchet mechanism to move the support up a post, rather than pivoting a mechanism off the floor. As a ...

Here’s the thing about cars. The vast majority of them have four wheels. This is the correct number of wheels. If you take a wheel off, the car generally scrapes on the ground and/or crashes, and ...

We've hiked, camped, surfed, and everything in between to find the winners of the 2025 Men's Health Outdoor Awards.

This paper presents a novel deployable robotic gripper with arc-shaped scissor mechanism, which is made up of four fingers and a base mechanism, and each finger consists of several arc-shaped scissor ...

Earthworms are the soft, tube-shaped, segmented worms who move with waves of muscular contractions. This paper presents our recently developed compliant modular earthworm-like robot with the novel ...