show a flat gain over the frequency range
71Thailand — /tuy land , leuhnd/, n. 1. Formerly, Siam. a kingdom in SE Asia: official name of Siam 1939 45 and since 1949. 59,450,818; 198,242 sq. mi. (513,445 sq. km). Cap.: Bangkok. 2. Gulf of. Also called Gulf of Siam. an arm of the South China Sea, S of… …
72agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
73chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
74History of sound recording — Methods and media for sound recording are varied and have undergone significant changes between the first time sound was actually recorded for later playback until now. Technology Mechanical recording The first devices for recording sound were… …
75telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
76Casimir effect — Casimir forces on parallel plates Casimir forces on parallel pl …
77Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …
78MythBusters (2007 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel Discovery Channel …
79Singing — Sings and Vocals redirect here. For other uses, see Sings (disambiguation) and Vocals (disambiguation). Singer redirects here. For other uses, see Singer (disambiguation). Harry Belafonte 1954 Singing is the act of producing musical sounds with… …
80Huygens probe — Infobox Spacecraft Name = Huygens probe Caption = A scale replica of the probe, 1.3 metres across. Organization = ESA/ASI/NASA Major Contractors = Aérospatiale, now Thales Alenia Space Mission Type = Lander Satellite Of = Saturn Launch = December …
