hollow+cylinder
51Little Boy — Infobox Weapon name= Little Boy caption= A post war Little Boy model. origin= United States type= Nuclear weapon is explosive=yes designer= design date= manufacturer= unit cost= production date= number= weight= 8,818.49 lbs. 4,000 kg length= 9.84 …
52Operation Crossroads — Coordinates: 11°36′N 165°30′E / 11.6°N 165.5°E / 11.6; 165.5 …
53Energy tower (downdraft) — An energy tower is a method for producing electrical power for consumer consumption, the brainchild of Dr. Phillip Carlson,ref|Carlson which has been expanded upon by Professor Dan Zaslavsky from the Technion.ref|ET brochure An energy tower… …
54Linear actuator — TOC A linear actuator is a device that develops force and motion, from an available energy source, in a linear manner, as opposed to rotationally like an electric motor. There are various methods of achieving this linear motion. Several different …
55Gauss' law for gravity — In physics, Gauss law for gravity, also known as Gauss flux theorem for gravity, is a law of physics which is essentially equivalent to Newton s law of universal gravitation. Its form is mathematically similar to Gauss law for electricity; in… …
56pipe — pipe1 pipeless, adj. pipelike, adj. /puyp/, n., v., piped, piping. n. 1. a hollow cylinder of metal, wood, or other material, used for the conveyance of water, gas, steam, petroleum, etc. 2. a tube of wood, clay, hard rubber, or other material,… …
57tube — noun 1》 a long, hollow cylinder used for conveying or holding liquids or gases. ↘a long flexible metal or plastic container sealed at one end and with a cap at the other. ↘material forming tubes. 2》 Anatomy, Zoology, & Botany a hollow… …
58pis´ton|like´ — pis|ton «PIHS tuhn», noun. 1. a disk or short cylinder of wood or metal, fitting closely inside a tube or hollow cylinder in which it is moved back and forth by some force, such as the pressure of steam. A piston receives or transmits motion by… …
59pis|ton — «PIHS tuhn», noun. 1. a disk or short cylinder of wood or metal, fitting closely inside a tube or hollow cylinder in which it is moved back and forth by some force, such as the pressure of steam. A piston receives or transmits motion by means of… …
60Angle of refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… …
