The two-stroke gasoline engine was once a marvel of engineering, offering up huge doses of power in small and lightweight ...

When and how to change the oil in a weed whacker is variable. 2-stroke and 4-stroke engines have different requirements, so ...

Stroke is a leading cause of death, but small, consistent habits can reduce your risk. It’s easy to focus on what to do by day, but experts say our nighttime habits matter, too. They suggest moving ...

Porsche's design is vastly different than anything we've seen since Samuel Griffin's very first 6-stroke engine design in 1883.

Discover how Alpha-Otto's RevForce engine transforms two-stroke engines with a rotary valve, enhancing efficiency and reducing emissions.

While recovering from surgery in 2023, Leah Craft Horner, then 46, couldn't recognize her reflection. A year later, doctors realized she'd had a stroke.

By design, the six-stroke engine of Porsche's dreams would use a novel operation; the automaker says the process is "six individual strokes that can be divided into two three-stroke sequences." ...

Porsche recently received a patent for a six-stroke engine. Here are all the details, including what makes a six-stroke different from a four-stroke.

British engineer James Atkinson improved on this idea in 1882 with his four-stroke design, using a shorter and more efficient compression stroke.

Pennsylvania midterm Senate candidate John Fetterman: Stroke survivors speak out about scrutiny after Fetterman debate.

That's what this new sensor design seeks to answer. The sensing technology, namely Body Channel Identification, is a combination of three components.