silicon oil
31Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… …
32Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …
33Diesel particulate filter — A diesel particulate filter (top left) in a Peugeot Off road DPF Installa …
34ECONOMIC AFFAIRS — THE PRE MANDATE (LATE OTTOMAN) PERIOD Geography and Borders In September 1923 a new political entity was formally recognized by the international community. Palestine, or Ereẓ Israel as Jews have continued to refer to it for 2,000 years,… …
35San Francisco Bay Area — Bay Area redirects here. For other uses, see Bay Area (disambiguation). Not to be confused with San Francisco Bay Area Combined Statistical Area. San Francisco Bay Area Common name: San Fran …
36metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
37chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
38Economy of Scotland — The economy of Scotland is closely linked with the rest of the United Kingdom and the wider European Economic Area, it is essentially a mixed economy. Scotland has the third largest GDP per capita of any region in the United Kingdom after the… …
39technology, 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… …
402007 UK petrol contamination — The 2007 UK petrol contamination problem arose on 28 February 2007 when motorists in South East England reported that their cars were breaking down. This was caused by silicon contaminated unleaded petrol, sold by several supermarkets, that… …
