edge beam
61List of fictional swords — In Arthurian fiction [ thumb|left|ArthurExcalibur).] Excalibur is featured in every tale of Arthur or Merlin ever written, in some form or another. The examples below list two of the more distinctive takes on Arthurian swords. Bernard Cornwell:… …
62Schmidt-Pechan prism — A Schmidt Pechan prism is a type of optical prism used to rotate an image by 180°. They are commonly used in binoculars as an image erecting system . Compared to binoculars using a Porro prism or Abbe Koenig a binoculars using a Schmidt Pechan… …
63ER2 electric trainset — ER2 ELECTRIC TRAINSETSince 1962 Railroad Machinery Plants of Riga and Kalinin started to release ER2 electric trainsets instead of ER1. ER2 cars have footboards for low platforms, and aprons for high platforms (installed in train yards.) The… …
64technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
65List of characters in the Soul series — A comprehensive list of characters from the Soul series of fighting games produced by Namco. Series characters Official characters within the series storyline. They are playable in some installments of the series. Abyss nihongo|Abyss|アビス|Abisu is …
66Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …
67laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …
68X-ray computed tomography — For non medical computed tomography, see Industrial CT Scanning. catSCAN redirects here. For the Transformers character, see Transformers: Universe. X ray computed tomography Intervention A patient is receiving a CT scan for cancer. Outsid …
69Vertical-cavity surface-emitting laser — The vertical cavity surface emitting laser (VCSEL; [v ɪxl] ) is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge emitting semiconductor lasers (also in plane lasers)… …
70Theory of Colours — Infobox Book name = Theory of Colours title orig = Zur Farbenlehre translator = Charles Eastlake [http://findarticles.com/p/articles/mi m0422/is 2 82/ai 64573524/pg 6] image caption = Light spectrum, from Theory of Colours – Goethe observed that… …
