unfeasible
31impractical — I (New American Roget s College Thesaurus) adj. impracticable; unwise, imprudent, unrealistic; unsound, illogical; harebrained. See imagination, impossibility. Ant., practical. II (Roget s IV) modif. Syn. unrealistic, unworkable, unreal,… …
32Impossibility — (Roget s Thesaurus) < N PARAG:Impossibility >N GRP: N 1 Sgm: N 1 impossibility impossibility &c. >Adj. Sgm: N 1 what cannot what cannot what can never be Sgm: N 1 sour grapes sour grapes Sgm: N 1 hopelessness hopelessness &c. 859 P …
33Christopher Columbus — This article is about the explorer. For other uses, see Christopher Columbus (disambiguation). Christopher Columbus …
34Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis …
35DDT — For other uses, see DDT (disambiguation). DDT …
36Developmental psychology — Child Psychology redirects here. For the song by Black Box Recorder, see Child Psychology (song). For the journal, see Developmental Psychology (journal). Psychology …
37Fighter aircraft — A fighter aircraft is a military aircraft designed primarily for air to air combat with other aircraft, as opposed to a bomber, which is designed primarily to attack ground targets by dropping bombs. Fighters are comparatively small, fast, and… …
38F-35 Lightning II — Infobox Aircraft name=F 35 Lightning II caption = The F 35 Lightning II takes off for its first flight at Naval Air Station Fort Worth Joint Reserve Base on 15 December 2006. type=Stealth multi role fighter manufacturers=Lockheed Martin… …
39Holden — Infobox Company company name = GM Holden Ltd company company type = Private foundation = 1856 location = Port Melbourne, Victoria, Australia key people = Mark Reuss Chairman and Managing Director industry = Automotive products = Automobiles… …
40Hollow Earth — is a belief that the planet Earth has a hollow interior and, possibly, a habitable inner surface. The hypothesis of a Hollow Earth has long been contradicted by overwhelming evidence as well as by the modern understanding of planet formation, and …
