After a couple of millennia of fiddling with gears, you’d think there wouldn’t be much new ground to explore in the field of power transmission. And then you see something like an infinitely variable ...

The most reliable means for changing shaft speed remains a mechanical variable-speed transmission. These drives are used to provide a variable output speed from a constant-speed power source (as in a ...

We shouldn’t laugh, but we know the feeling very well. [Gear Down for What] invented a revolutionary transmission and fabricated it from scrap material when he was 16. Except he later found out the ...

In an industry evolving alongside consumer concerns over rising energy costs, impact on the environment, and, of course, stricter regulations handed down by the government, new technologies are ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

One of the big advantages that traditional gas-powered cars have over electric vehicles is that for people who like to feel the power of an engine, internal combustion is the way to go. Electric cars ...

One of the big advantages that traditional gas-powered cars have over electric vehicles is that for people who like to feel the power of an engine, internal combustion is the way to go. Electric cars ...

Automatic and manual vehicle transmissions have always been competitive with each other. While this is still true, each has found its niche in truck and bus markets. Advantages of manual over ...