switch-hook operation
21Protected mode — This article is about an x86 processor mode. For Internet Explorer Protected Mode, see Mandatory Integrity Control. x86 processor modes Mode First supported Real mode Intel 8086 8080 emulation mode NEC …
22Meat the Veals — Arrested Development episode Episode no. Season 2 Episode 16 Directed by Joe Russo Written by …
23'Allo 'Allo! (series 5) — This article contains episode listings for the fifth series of the British Sitcom series Allo Allo!. The series contains twenty six episodes which first aired between 3 September 1988 and 25 February 1989. Series 5 is longer than any of the other …
24Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
25McDonnell Douglas F/A-18 Hornet — F 18 redirects here. For the unstable isotope of Fluorine, see Fluorine 18. F/A 18 Hornet A U.S. Marine Corps F/A 18C …
26WHDH (TV) — WHDH TV redirects here. For the first incarnation of WHDH TV on channel 5 in Boston (1957 1972), see WHDH TV (defunct). WHDH Boston, Massachusetts Branding …
27Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …
28Blue box (phreaking) — An early phreaking tool, the blue box is an electronic device that simulates a telephone operator s dialing console. It functions by replicating the tones used to switch long distance calls and using them to route the user s own call, bypassing… …
29SEPTA Regional Rail — Infobox SG rail railroad name=SEPTA Regional Rail logo filename=SEPTA.svg system map size=300 map caption=SEPTA Regional Rail system map logo size=100 old gauge=RailGauge|sg marks=SPAX locale=Delaware Valley start year=1983 end year=present hq… …
30Fictional military aircraft — are imagined aircraft which are used in fiction, in its various media, but do not exist in the real world. These aircraft may be conjectured variants of real world aircraft or they may be completely fabricated by the author. Contents 1 Fictional… …
