Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.

Rotary switches move in a circle and can stop in several positions. They are used to control many different circuits with a single switch. These devices have some advantages over other switches since ...

Besides Budding, the history of the lawn mower includes a hall of fame of inventors who rolled out reel mowers, rotary mowers ...

Our rigorous lab tests have uncovered big differences in quality across lawn mowers available on the market. In our expert buying guide, we explain which features to look out for and share our Best ...

It’s an age-old conundrum for anyone working with retro hardware: preserve its original condition or not? The answer depends so often on a complex mix of how rare, obsolete or unusable the ...

The electric rotary multitool has become a staple of most DIY garages, thanks to its ability to cut, grind, brush, drill, clean and sand without the need to use a cumbersome drill. Cordless ...

Our expert technicians buy and test lawn mowers so you can buy with confidence. Find out how we test lawn mowers to see what we do in the lab to find Best Buy lawn mowers.

If you don’t, you might end up with one that doesn’t have enough power to get the job done. And remember — because most robot lawn mowers chop up grass so finely, you don’t have to worry about picking ...

A rotating number selector on early telephones (and TVs). Introduced in the early 1900s, rotary phones were commonly used from the 1920s until the 1960s, when dial phones were gradually replaced ...

There's a hybrid system borrowed from Toyota, plus a copycat "strong hybrid" setup to come from within Mazda eventually, maybe with rotary engine power. In the U.S. and Japan, where Mazda has ...