lens efficiency
81nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
82Spirit DataCine — is a telecine and/or a motion picture film scanner. This device is able to transfer 16mm and 35mm motion picture film to NTSC or PAL standards or one of many High definition television standards. With the data transfer option a Spirit DataCine… …
83Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …
84Coilgun — Gauss gun redirects here. For fictional weapons of this type, see electromagnetic projectile devices (fiction). Not to be confused with railgun. Simplified diagram of a multistage coilgun with three coils, a barrel, and a ferromagnetic projectile …
85Ellipsoidal reflector spotlight — (abbreviated to ERS, or colloquially ellipsoidal) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to intensify the light of a back loading lamp through the barrel and lens. Ellipsoidals may also be… …
86MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
87Stage 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.… …
88Bifocals — are eyeglasses whose corrective lenses each contain regions with two distinct optical powers. Bifocals are most commonly prescribed to people with presbyopia who also require a correction for myopia, hypermetropia, and/or astigmatism.… …
89Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …
90Ballast Point Light — Infobox Lighthouse caption = location = Point Loma, California coordinates = yearbuilt = 1890 yearlit = automated = yeardeactivated = foundation = construction = shape = Square height = convert|34|foot|0 currentlens = lens = Fifth order Fresnel… …
