binoculars
81opera glasses — noun an optical instrument designed for simultaneous use by both eyes • Syn: ↑binoculars, ↑field glasses • Usage Domain: ↑plural, ↑plural form • Hypernyms: ↑optical instrument …
82glass — I. noun Usage: often attributive Etymology: Middle English glas, from Old English glæs; akin to Old English geolu yellow more at yellow Date: before 12th century 1. any of various amorphous materials formed from a melt by cooling to rigidity… …
83Apparent magnitude — Asteroid 65 Cybele and 2 stars with their magnitudes labeled The apparent magnitude (m) of a celestial body is a measure of its brightness as seen by an observer on Earth, normalized to the value it would have in the absence of the atmosphere.… …
84Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
85Loch Ness Monster — For other uses, see Loch Ness Monster (disambiguation). Nessie redirects here. For other uses, see Nessie (disambiguation). the Loch Ness Monster (Nessie, Niseag[1] …
86Total internal reflection — The larger the angle to the normal, the smaller is the fraction of light transmitted, until the angle when total internal reflection (blue line) occurs. (The color of the rays is to help distinguish the rays, and is not meant to indicate any… …
8761 Cygni — Not be confused with 16 Cygni, a more distant system containing two G type stars harboring the gas giant planet 16 Cygni Bb. Starbox begin name=61 CygniStarbox image caption=Expanded view of the star field around 61 Cygni. This system is located… …
88Butterfly — calesButterflies are characterized by their scale covered wings.The coloration of butterfly wings is created by minute scales. These scales are pigmented with melanins that give them blacks and browns, but blues, greens, reds and iridescence are… …
89Douglas MacArthur — General MacArthur redirects here. For other uses, see General MacArthur (disambiguation). For the diplomat, see Douglas MacArthur II. Douglas MacArthur …
90Bausch & Lomb — Infobox Company company name = Bausch Lomb Inc. company company type = Private foundation = 1853 location = Rochester, New York, USA key people = Ronald L. Zarrella, Chairman CEO Efrain Rivera, CFO John Jacob Bausch, Co Founder Henry Lomb, Co… …
