In the 18th and 19th centuries, draftsmen needed to prepare surveying and architectural drawings according to a variety of scales. Their work might call for them to reduce life-size conditions in a ...

Rectangular caps, grips, and closures are designed to fit onto objects with rectangular ends. They serve the primary function of covering or sealing these ends to protect them from external elements.

A rectangular object found jutting out of Mars's surface and caught on camera by the University of Arizona has caused speculation over the nature of the "monolith" and its origins. 06 August 2009 • ...