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Young adolescents scientific knowledge scientific knowledge directory catalog Laser Laser Focus mystery (1) all kinds of lasers (6) of the four characteristics of the laser (13) CD player with CD (20) Laser movie mystery (22) is astounding.The  green laser pointer  would be an excellent instrument for meetings. The laser show (24) laser excitation of the artist's inspiration (26) are possible worlds in front (29) "soul" forever in the world (34) God of brand protection products (35) Laser Printers (37) Laser Pointer ( 39) Laser optical communications (40) with a laser bar code identification (43) does not Chen's "aged wine" (45) fine painted chart (47) camera through the wall (49) surgery may not be blood (50) radiant cosmetic surgery (53 ) ease joint cavity (54) too awkward a "light" drive (55) Laser "pull" straight old hunched over (57) Review of hundred pro-stare Health (58) the heart, blood vessel repair the new law (61) to overcome cancer, another army ( 64) Laser Collagen diagnosis of platelet function (66) cells classified as "eye of God" (67) dental laser treatment (69) laser probes and laser acupuncture (71) "welding" of blood vessels (73) xanthone laser surgery (74 ) shows the internal structure of cells,The red-black classic color match of  green laser pointer  is very popular with users. the laser microscope (75) tell the authenticity of the laser analysis technique (78) playing the guitar optical power measurements (80) clever genetic material "graft" (82) laser tweezers "catch" bacteria (83) chromosome surgery (84) The first asexual reproduction of human laser surgery (85) Laser cutting bond (86) chemical reactions were industrial (87) bond with the carbon element (88) "Star Wars" secret project (89) Survey telemetry sources (90) Laser bringing out new varieties (91) ocean ranch laser was built (93) laser to create "light basket" (95) to invest in "light basket" of the bomb (98) extraordinary "light feet" (100) contemporary technology "eyes" (102) SDI and laser warfare (105) without declaring war (108) Laser air defense weapons (109) laser technology to simulate the (112) the brightest light source (115) the strongest electric field (116) the largest pressure (116) the shortest light pulse (117) the highest spectral resolution (118) the highest sensitivity (118) Maximum power of the solitary wave of information transmission (119)The V-309  green laser pointer  is exclusively designed for computers and multimedia PPT demonstration. the coldest atoms (120) Laser Focus Youth youth science knowledge scientific knowledge of the mystery of the laser focus the laser in the 1950s, the rapid development of radio electronics, in order to explore the generation of coherent electromagnetic waves shorter, 1954 Townes at Columbia University made the first ammonia maser, which open the way to the laser path. 1960 as the world's first ruby laser excited objects developed by the American physicist Maiman. The advent of the laser sensation all over the United States, there has been the optical physics of the "Renaissance" era. The emergence and development of the laser, said that if engaged in by the study of the electromagnetic spectrum, the result of efforts of scholars, is the high frequency coherent electromagnetic spectrum to the inevitable development.The outer shell of  green laser pointer  applies high-level PVC material but not metal. It is not only great achievements of the optical field, it is a great achievement in the field of electronics, laser-electronics have created a new situation. Traditional principles of electronics, with optical, electro-optical conversion, use throughout the electrical engineering field. Although laser technology is still in its infancy, but has brought thousands of human beings as much as a variety of laser generator, a solid, gas, semiconductor, organic dyes, chemical, excimer, free electrons, and other giant pulse types.