An engine is a machine that converts energy into force and motion. Possible sources of energy include heat, chemical energy in a fuel, nuclear energy, and solar radiation. The force and motion usually take the form of output torque delivered to a...

An engine is something that produces some form of output from a given input. Military engines included siege engines, large catapults, trebuchets, battering rams, etc., so the first engineers were military engineers. Later came civil engineers, who...

NGINEERS RANK 2004 REVENUE % CHANGE 2005 2004 COMPANY (IN MILLIONS) (vs. 2003) 1 1 Fluor Corp. $1,089.54 11.1% 2 2 BE&K Inc. $208.25 -5.8% 3 3 Parsons Brinckerhoff $111.80 -16.3% 4 5 Sysko Hennessy Group $59.70 -14.6% 5 6 Affiliated Engineers $50.59...

"For most of my pre-college years, I was intrigued with science and math, mainly because of my interest in and aptitude for problem solving," explains Allison Pitt about her interest in engineering. Now a freshman at Washington University in St. Louis seeking a chemical...

Yahoo Inc. has retooled its online search engine to make it more helpful and engaging, joining an industrywide wave of improvements that so far haven't dented Google Inc.'s dominance.The Sunnyvale-based company regards the upgrade to be announced Tuesday as the most significant change to its...

Returning to Texas to a hero's welcome on Wednesday, Endeavour's crew thanked the engineers, managers and other NASA officials who helped them land safely despite a gouge on the space shuttle's belly.Endeavour's Tuesday landing in Cape Canaveral, Fla., ended a nearly two-week orbital drama that...

The history of automobile engines, how they evolved from steam engines, and 20th century engine innovations.