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Herringbone gears also have the advantage of being self-aligning. A ring gear (or internal gear) is a gear where the teeth are on the inside of a circle. Such gears must be mated to a regular ...

The 154th NRA Annual Meetings & Exhibits, held at the Georgia World Congress Center, April 24-27, was teaming with 2A pride, ...

New research reveals that neurons can switch their migration strategy depending on whether they move on flat surfaces or through tight, crowded spaces.

The Antikythera mechanism, a mysterious ancient Greek device that is often called the world’s first computer, may not have functioned at all, according to a simulation of its workings.

In an experiment reminiscent of the "Transformers" movie franchise, engineers at Princeton University have created a type of material that can expand, assume new shapes, move and follow ...

It consists of a circular gear (pinion) meshing with a straight gear (rack), commonly used in steering mechanisms and machine tools. This uses a screw-like 'worm' gear that meshes with a larger ...

The Nepali Congress general secretary breaks silence as protests by teachers, civil servants and monarchists add pressure on ...