sound recording apparatus
71language — /lang gwij/, n. 1. a body of words and the systems for their use common to a people who are of the same community or nation, the same geographical area, or the same cultural tradition: the two languages of Belgium; a Bantu language; the French… …
72light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
73surveying — /seuhr vay ing/, n. 1. the science or scientific method of making surveys of land. 2. the occupation of one who makes land surveys. 3. the act of one who surveys: The surveying required nearly two days. [1425 75; late ME: act of examining… …
74Film — This article is about motion pictures or movies. For still photography film, see Photographic film. For motion picture film, see Film stock. Movie and Moving picture redirect here. For other uses, see Movie (disambiguation), Moving Pictures… …
75Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …
76encyclopaedia — Reference work that contains information on all branches of knowledge or that treats a particular branch of knowledge comprehensively. It is self contained and explains subjects in greater detail than a dictionary. It differs from an almanac in… …
77Charles Brooke (surgeon) — Charles Brooke FRS (1804–1879) was an English surgeon and inventor. Contents 1 Surgical career 2 Inventions 3 Death 4 Automatic registration of instruments by photography …
78nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …
79Telephone tapping — Wiretap redirects here. For the radio program, see WireTap (radio program). Telephone tapping (also wire tapping or wiretapping in American English) is the monitoring of telephone and Internet conversations by a third party, often by covert means …
80Arabic literature — Introduction the body of written works produced in the Arabic language. The tradition of Arabic literature stretches back some 16 centuries to unrecorded beginnings in the Arabian Peninsula. At certain points in the development of… …
