Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...

We could've titled this story "lipsticking the pig" but the LS series of engines from Chevrolet are certainly not pigs in terms of performance. But, in regards to looks, they can't hold a candle to ...

We could’ve titled this story “lipsticking the pig” but the LS series of engines from Chevrolet are certainly not pigs in terms of performance. But, in regards to looks they can’t hold a candle to ...

Besides sending lots of smile-inducing horsepower to your rear tires, the crank also powers all the engine accessories necessary to keep your Chevy rolling down the highway. To do this, power is ...

The Great Pyramid of Giza—the largest of Egypt’s pyramids—consists of about 2.3 million limestone blocks. The smallest of these weigh two tons, while the largest weigh over 60. History says laborers ...