power-to-space ratio
71Radioisotope thermoelectric generator — A radioisotope thermoelectric generator (RTG, RITEG) is an electrical generator which obtains its power from radioactive decay. In such a device, the heat released by the decay of a suitable radioactive material is converted into electricity by… …
72Audi RS4 — Infobox Automobile name = Audi RS4 quattro manufacturer = quattro GmbH, a wholly owned private subsidiary of Audi AG parent company = Volkswagen Group (Volkswagen AG) aka = RS4 production = B5: 2000 2001 B7: 2006 2008 assembly = Neckarsulm,… …
73GT 101 — The German Army s development division, the Heereswaffenamt (Army Ordnance Board), studied a number of gas turbine engines for use in tanks starting in mid 1944. Although none of these were fitted operationally, the GT 101 (GT for Gas Turbine )… …
74flight, 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… …
75Eb/N0 — E b/ N 0 (the energy per bit to noise power spectral density ratio) is an important parameter in digital communication or data transmission. It is a normalized signal to noise ratio (SNR) measure, also known as the SNR per bit . It is especially… …
76Oldsmobile V8 engine — The 1966Toronado s 425 V8, the first post war front wheel drive V8 application. The Oldsmobile Rocket V8 was the first post war OHV V8 at General Motors. Production started in 1949, with a new generation introduced in 1964. Like Pontiac, Olds… …
77Caterham 7 CSR — Infobox Automobile name = CSR 200/260 manufacturer = Caterham Cars Ltd engine = 2.3 liter inline four Ford Duratec tuned by Cosworth; 200 or convert|260|bhp|abbr=on transmission = Standard 5 speed (200 model), Custom Caterham close ratio 6 speed… …
78Toyota Sera — Infobox Automobile name = Toyota Sera manufacturer = Toyota production = 1990 1996 predecessor = Toyota AXV II Concept successor = class = Sport compact platform = FF layout body style = 2 door coupe engine = 1.5L 5E FHE I4 110/6,400 (ps/rpm)… …
79B-29 Superfortress — Infobox Aircraft name = B 29 Superfortress type = Strategic bomber manufacturer = Boeing caption = A USAAF B 29 Superfortress first flight = 21 September 1942 introduced = 8 May 1944 retired = 21 June 1960 status = Scrapped except for those in… …
80Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium …
