Halving
71Tape drive — DDS tape drive. Above, from left right: DDS 4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC 6250 tape (250 MB), and a 3.5 floppy disk (1.44 MB) A tape drive is a data storage device that reads and performs digital recording, writes data on a… …
72UNESCO — Infobox UN name = United Nations Educational, Scientific and Cultural Organization type = Specialized Agency acronyms = UNESCO head = Director General of UNESCO : Koïchiro Matsuura : JPN status = Active established = 1945 website =… …
73V-1 flying bomb — Buzzbomb redirects here. For the song by the Dead Kennedys, see Buzzbomb (song). For other uses, see V1 (disambiguation). V 1 flying bomb Fieseler Fi 103 Flakzielgerät 76 (FZG 76) V 1 flying bomb …
74Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
752000 — This article is about the year 2000. For the number, see 2000 (number). For other uses, see 2000 (disambiguation). 2000 : January · February · March · April · May · June · July  …
76Svante Arrhenius — Infobox Scientist name = Svante Arrhenius image size = 180px birth date = birth date|1859|2|19|mf=y birth place = Vik, Sweden nationality = Sweden death date = death date and age|1927|10|2|1859|2|19 death place = Stockholm, Sweden field = Physics …
77Overtone — Overtones redirects here. For other uses, see Overtones (disambiguation). An overtone is any frequency higher than the fundamental frequency of a sound. The fundamental and the overtones together are called partials. Harmonics are partials whose… …
78Phase-shift keying — Passband modulation v · d · e Analog modulation AM · …
79Transmission line — This article is about the radio frequency transmission line. For the power transmission line, see electric power transmission. In communications and electronic engineering, a transmission line is a specialized cable designed to carry alternating… …
80One-child policy — Government sign in Tang Shan: For a prosperous, powerful nation and a happy family, please practice family planning. The one child policy (simplified Chinese: 计划生育政策; traditional Chinese: 計劃生育政策; pinyin: jìhuà shēngyù zhèngcè; literally policy of …
