Mitral valve surgery has changed considerably in the past decades and is now indicated mostly for pure or predominant mitral regurgitation. This is the result of the regression of rheumatic disease, ...

Abstract: A digital displacement hydraulic motor uses actively controlled on/off valves instead of a valve plate for porting fluid. Displacement can then be varied by varying the timing of the on/off ...

For a long time, almost only hardcore Moto Guzzi fans were interested in the motorcycles from Mandello del Lario. That changed abruptly in 2018 when the brand with the eagle in its logo launched the ...

There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...

The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems existed, ...

What is variable valve lift? What is variable valve timing? We're going to look at the valvtrain from a 2009 Audi 2.0L I4 Turbo engine to check out the differences. Variable valve lift is used to ...

It has been nearly six years since Valve released its Index VR headset. A leak now suggests that the company is getting ready to release its next headset, codenamed “Deckard,” which will have ...

Abstract: While computing Voronoi diagrams are used in a wide variety of domains and applications, comparisons are often based on different algorithms implemented in the same programming language.

The inlet valve closing (IVC) timing plays a crucial role in engine combustion, which impacts engine performance and emissions. This study attempts to measure the potential to use n-butanol (Bu) and ...

To listen to interesting short podcasts about Australia, search for SBS Sinhala on Apple Podcasts, Google Podcasts, Spotify, or any other platform you prefer and search SBS Sinhala. Visit ...