Early in the history of agriculture, draft animals replaced humans for such difficult tasks as plowing and pulling heavy loads. More recently, machines have replaced animals in many parts of the world. The most familiar farm machine is the tractor. The...

A tractor is a vehicle specifically designed to provide a high tractive effort at slow speeds, for the purposes of hauling a trailer or machinery used in agriculture or construction. Most commonly, the term is used to describe the distinctive farm...

Nebraska laboratory keeps high standards Independent tractor testing began in the United States in 1919 at the Nebraska Tractor Test Laboratory (NTTL) based at the University of Nebraska. NTTL came into being in response to a state law passed that year to...

Tractor decor Minnesota man's 20-ton hobby rests in room that was custom-built to include antique By JACK SULLIVAN Associated Press Tuesday, December 25, 2001 Sabin, Minn. -- Builders usually had two questions for Jim Briden when he explained his...

Taking up the sci-fi staple of "tractor beams," scientists have developed a way to use light to grab and move minuscule particles on a microchip. The research could lead to fine-grained biological sensors and other precisely built nanoscale devices.The work by Massachusetts Institute of Technology...

A passenger bus driving in late-night rain veered across an interstate highway and collided with a tractor-trailer and a pickup truck, killing three people. At least 19 others were hospitalized.The Tornado Bus Co. bus was westbound on Interstate 40, headed from Chicago to Dallas, when...