graded index fiber
51Testosterone — For the film, see Testosterone (film). Testosterone Systematic (IUPAC) name …
52Cheney, Washington —   City   Location of Cheney, Washington …
53Iloilo City — City of Iloilo Ciudad sang Iloilo   Highly urbanized City   From top, left to right: Calle Real – Iloilo City s hist …
54Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …
55Detroit Financial District — U.S. National Register of Historic Places …
56MQ-1 Predator — infobox Aircraft name = MQ 1 Predator type = Remote controlled UAV manufacturer = General Atomics Aeronautical Systems caption = designer = first flight = introduction = retired = status = primary user = United States Air Force more users =… …
57Field (physics) — The magnitude of an electric field surrounding two equally charged (repelling) particles. Brighter areas have a greater magnitude. The direction of the field is not visible …
58Orange (fruit) — Orange Orange blossoms and oranges on tree …
59Beef — For other uses, see Beef (disambiguation). An uncooked rib roast …
60Ring (mathematics) — This article is about algebraic structures. For geometric rings, see Annulus (mathematics). For the set theory concept, see Ring of sets. Polynomials, represented here by curves, form a ring under addition and multiplication. In mathematics, a… …
