Levers are literally all around us. You body uses them to move, pick up a pen to sign your name and you’ll use mechanical advantage to make that ballpoint roll, and that can of soda doesn’t open ...

The four bar linkage is a type of mechanical linkage that is used in many different devices. A few examples are: locking pliers, bicycles, oil well pumps, loaders, internal combustion engines, ...

CXM’s Josh Patterson hacks his SRAM Double Tap levers for our readers. Update: As of 2010, SRAM offers several singlespeed brake lever options (the S900 and S500) that don’t require gutting a ...

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 ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** This article by Colonel E. H.

CIE Automotive has been granted a patent for a sliding roof system for motor vehicles. The system includes front and rear lifting mechanisms, a connecting element, and various levers and sliders to ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...