- efficiency of invention
- эффективности эффективности
Англо-русский словарь по исследованиям и ноу-хау. Е.Г. Коваленк. 2015.
Англо-русский словарь по исследованиям и ноу-хау. Е.Г. Коваленк. 2015.
Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism … Wikipedia
Science and invention in Birmingham — Birmingham is the second largest city in the United Kingdom. It is one of the country s principal industrial centres and has an impressive history of industrial and scientific innovation.16th century1547: Although no record is kept to indicate… … Wikipedia
Wooden ox — The wooden ox (木牛流馬, lit. wooden ox flowing horse) was created by Zhuge Liang while he served Shu Han. It was a mechanical, walking replica of an ox whose main purpose was to carry supplies such as grain to an army that was running low on… … Wikipedia
technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… … Universalium
Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the … Wikipedia
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
Technological and industrial history of the United States — The technological and industrial history of the United States describes the United States emergence as one of the largest nations in the world as well as the most technologically powerful nation in the world. The availability of land and labor,… … Wikipedia
writing — /ruy ting/, n. 1. the act of a person or thing that writes. 2. written form: to commit one s thoughts to writing. 3. that which is written; characters or matter written with a pen or the like: His writing is illegible. 4. such characters or… … Universalium
flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… … Universalium
Cold fusion — This article is about the Fleischmann–Pons claims of nuclear fusion at room temperature. For the original use of the term cold fusion , see Muon catalyzed fusion. For all other definitions, see Cold fusion (disambiguation). Diagram of an open… … Wikipedia
Printing press — For the history and technology of movable type, see Movable type. Printing press from 1811, exhibited in Munich, Germany … Wikipedia