demonstrated
81space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
82Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
83flight, 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… …
84motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first …
85Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… …
86MythBusters (2008 season) — Country of origin Australia United States No. of episodes 20 (includes 8 specials) Broadcast Original channel Discovery Channel …
87demonstrate — v. 1) to demonstrate convincingly 2) (B) ( to explain by showing ) they demonstrated the new invention to us 3) (D; intr.) ( to protest by marching ) to demonstrate against (the students demonstrated against the government) 4) (D; intr.) ( to… …
88HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …
89Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes …
90Nikola Tesla — Tesla, aged 37, 1893, photo by Sar …
