Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… … Wikipedia
Stage lighting — Modern stage lighting is a flexible tool in the production of theatre, dance, opera and other performance arts. Several different types of stage lighting instruments are used in the pursuit of the various principles or goals of lighting.… … Wikipedia
David Dunlap Observatory — The 74 inch (1.9 m) telescope at the David Dunlap Observatory Organizati … Wikipedia
Automotive lighting — Blinker redirects here. For other uses, see Blinker (disambiguation). Not to be confused with Magneti Marelli company AL Automotive Lighting. For lights in seafaring and aviation, see navigation light. The lighting system of a motor vehicle… … Wikipedia
Heinz Hall for the Performing Arts — Heinz Hall for the Performing Arts, located in the heart of Pittsburgh s Cultural District on Penn Avenue is near PPG Place, CNG Tower, Fifth Avenue Place, and Gateway Plaza. Now the home of the world renowned Pittsburgh Symphony Orchestra (PSO)… … Wikipedia
Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… … Wikipedia
Iapetus — /uy ap i teuhs, ee ap /, n. 1. Class. Myth. a Titan, son of Uranus and Gaea. 2. Astron. a natural satellite of the planet Saturn. * * * ▪ astronomy outermost of Saturn s major regular moons, extraordinary because of its great contrast in surface … Universalium
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium