Almost every new car since the early 2000s has been using low-tension piston rings. Automakers have their fair share of reasons for doing so, including reduced frictional losses, improved efficiency, ...

Capsular tension ring (CTR) implantation is associated with improved stability of the intraocular lens (IOL), according to a review published online June 12 in JAMA Ophthalmology. Haowen Lin, M.D. and ...

In a conventional application, there are three rings per piston. The top ring is called the compression ring. Its purpose is to seal the combustion gas pressure, transfer heat from the piston to the ...

Welcome to another edition of CEDARS/ASPENS Debates. CEDARS/ASPENS is a society of cornea, cataract and refractive surgery specialists, here to discuss some of the latest hot topics in ophthalmology.

Ask any serious engine builder what makes a good engine a great one, and the answer likely will be "sealing." While the average guy thinks of sealing as either what kind of valve cover gaskets to use ...