This reference work describes the trial-and-error experiments, discoveries, and inventions of early humans who lived from before recorded history to the Middle

The Middle Ages and the Renaissance were a period of scientific and literary reawakening. Scientific development and a renewed interest in classical science led

The 18th century saw the emergence of the industrial and chemical revolutions and witnessed the near-universal acceptance of applied science. It was a time of r

An indispensable resource for anyone wanting to create, maintain, improve, understand, or use the diverse information resources within a sci-tech library. Provi

The 17th century was a time of transition for the study of science and mathematics. The technological achievements of this time directly impacted both society a