One of the known causes of hypertension is vascular compression on the rostral ventrolateral medulla (RVLM). However, it remains unknown whether RVLM vascular compression causes the significant ...

At least 150hp of a Pro Stock engine is due to the use of ultra high compression ratios (CR) of 16:1--or more. 110 octane race fuels make this possible, but don't be fooled into thinking that the use ...

May 29, 2009 (Stockholm, Sweden) — A new randomized trial shows no benefit from the use of thigh-length graduated compression stockings (GCS) to prevent proximal deep vein thrombosis (DVT) in patients ...

Most pickup trucks sold today have internal combustion engines. Passenger vehicles are powered by two main types of engines: compression, aka diesel, and spark ignition, aka gasoline. Besides the type ...

The piston rides up and down inside the cylinder on a connecting rod that attaches to the crankshaft, causing the crankshaft to turn. Each movement of the piston is called a stroke. Four strokes — ...

If you want to know what kind of bike engine fits your needs, you need to know how a two-stroke differs from a four-stroke. Each of them has advantages and disadvantages. But you can't, or shouldn't, ...

At one time or another all of us have felt the hurt of misapplied modifications. Even the most respected names in the tuning industry have been pwned at least once. Those who have moved on to make ...

Like countless other 19th-century inventors, entrepreneurs, and tinkerers, British engineer James Atkinson sought ways to improve on the Otto four-stroke combustion engine, first produced in 1876. The ...

Back in August Infiniti tantalized us with a bit of info on a radical new 2.0-liter turbocharged gasoline engine that promises V-6 gas-engine performance with four-cylinder diesel fuel economy and ...

From the January/February 2025 issue of Car and Driver. A patent for a six-stroke engine would normally go directly into our crackpot-engine file, but when the patent filer is Porsche, we feel ...

At least 150hp of a Pro Stock engine is due to the use of ultra high compression ratios (CR) of 16:1--or more. 110 octane race fuels make this possible, but don't be fooled into thinking that the use ...