widely acknowledged technologies
61arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
62Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… …
63Sweden — /sweed n/, n. a kingdom in N Europe, in the E part of the Scandinavian Peninsula. 8,946,193; 173,732 sq. mi. (449,964 sq. km). Cap.: Stockholm. Swedish, Sverige. * * * Sweden Introduction Sweden Background: A military power during the 17th… …
64English literature — Introduction the body of written works produced in the English language by inhabitants of the British Isles (including Ireland) from the 7th century to the present day. The major literatures written in English outside the British Isles are… …
65Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …
66History of the automobile — Vehicles that can be considered automobiles were demonstrated as early as 1769; although that date is disputed, 1806 marked the introduction of fuel gas powered internal combustion engines and 1885 marked the introduction of gasoline powered… …
67Calendar of 1995 — ▪ 1996 January January 1 Cardoso assumes office Having won some 54% of the ballots cast in the October 1994 election, Fernando Cardoso took the oath of office as president of Brazil. As chief executive of South America s largest… …
68Social Protection — ▪ 2006 Introduction With medical costs skyrocketing and government programs scaled back, citizens bore more responsibility for their health care costs; irregular migration, human trafficking, and migrant smuggling posed challenges for… …
69Historical powers — include great powers, nations, or empires in history. The term Great power represent the most important world powers. In a modern context, recognised great powers came about first in Europe during the post Napoleonic era.[1] The formalization of… …
70Digital cinema — refers to the use of digital technology to distribute and project motion pictures. A movie can be distributed via hard drives, optical disks (such as DVDs and Blu ray Discs) or satellite and projected using a digital projector instead of a… …
