interlocking disk
31List of Transformers comic books — There have been three main publishers of the comic book series bearing the name Transformers based on the toy lines of the same name. The first series was produced by Marvel Comics from 1984 to 1991, which ran for 80 issues and produced four spin …
32Linux adoption — This article covers adoption of the Linux operating system by homes, organizations, companies, and governments. Linux migration is the change from using other operating systems to using Linux. HistoryLinux powered personal computers account for… …
33Battleforce 2000 — Type Action Figures Company Hasbro Country United States Availability 1987–1989 Battleforce 2000 is a fictional sub team from the G.I. Joe: A Real American Hero toyline and comic books. First released in late 1987 (with …
34Reflex hammer — A reflex hammer is a medical instrument used by physicians to test deep tendon reflexes. Testing for reflexes is an important part of the neurological physical examination in order to detect abnormalities in the central or peripheral nervous… …
35History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
36Chancelloriidae — Temporal range: Early Cambrian–Late Cambrian …
37Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
38architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
39Laos — /lah ohs, lows, lay os/; Fr. /lann aws /, n. a country in SE Asia: formerly part of French Indochina. 5,116,959; 91,500 sq. mi. (236,985 sq. km). Cap.: Vientiane. * * * Laos Introduction Laos Background: In 1975, the Communist Pathet Lao took… …
40medal — /med l/, n., v., medaled, medaling or (esp. Brit.) medalled, medalling. n. 1. a flat piece of metal, often a disk but sometimes a cross, star, or other form, usually bearing an inscription or design, issued to commemorate a person, action, or… …
