not+practicable
61Impracticable — Im*prac ti*ca*ble, a. 1. Not practicable; incapable of being performed, or accomplished by the means employed, or at command; impossible; as, an impracticable undertaking. [1913 Webster] 2. Not to be overcome, persuaded, or controlled by any… …
62Key authentication — is a problem that arises when using public key cryptography. It is the process of assuring that the public key of person A held by person B does in fact belong to person A .In traditional symmetric key cryptography, this problem wasn t an issue… …
63USS S-51 (SS-162) — was a fourth group ( S 48 ) S class submarine of the United States Navy.Her keel was laid down on 22 December 1919 by the Lake Torpedo Boat Company of Bridgeport, Connecticut. She was launched on 20 August 1921 sponsored by Mrs. R.J. Mills, and… …
64Phosphorus pentoxide — Phosphorus pentoxide …
65Council of Troubles — The Duke of Alba presiding over the Council of Troubles The Council of Troubles (usual English translation of Dutch: Raad van Beroerten, or Spanish: Tribunal de los Tumultos, or French: Conseil des Troubles) was the special tribunal instituted on …
66nonviable — adjective not capable of living or developing successfully • Similar to: ↑dead * * * “+ adjective : not viable : not capable of living, growing, or developing and functioning successfully a nonviable theory nonviable embryos * * * …
67Swing bridge — A swing bridge is a movable bridge that has as its primary structural support a vertical locating pin and support ring at or near to its center, about which the turning span can then pivot horizontally as shown in the animated illustration below …
68Atmospheric railway — An atmospheric railway is a railway that uses air pressure to provide power for propulsion. A pneumatic tube is laid between the rails, with a piston running in it suspended from the train through a sealable slot in the top of the tube. By means… …
69Conning tower — A conning tower is a raised platform on a ship or submarine, often armored, from which an officer can con the vessel; i.e., give directions to the helmsman. It is usually located as high on the ship as practical, to give the conning team good… …
70Dessek — The Desseks are characters in a fictional universe called Cotrahviné, created by Dutch Science Fiction/Fantasy writer Tais Teng. They appear exclusively in his anthology Glazen Speren (Glass Spears) (1997), which has not yet been translated to… …
