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Ray Box Lab - Iona Physics
Ray Box Lab - Iona Physics

... 1. Place the ray box near the edge of a piece of paper in such a way that the rays cross most of the width of the page. Note the rays are diverging. 2. Place the plano-convex lens in front of the ray box with the flat side facing the ray box. 3. Adjust the position of the lens so that the rays are p ...
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... considered minimum and non-discretionary in work places and laboratories. Any recommended personal protection equipment or environmental equipment is to be considered as additional to safety glasses and gloves. No special protection is indicated. Chemical-resistant gloves should be worn whenever thi ...
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3D optical data storage



3D optical data storage is the term given to any form of optical data storage in which information can be recorded and/or read with three-dimensional resolution (as opposed to the two-dimensional resolution afforded, for example, by CD).This innovation has the potential to provide petabyte-level mass storage on DVD-sized discs (120mm). Data recording and readback are achieved by focusing lasers within the medium. However, because of the volumetric nature of the data structure, the laser light must travel through other data points before it reaches the point where reading or recording is desired. Therefore, some kind of nonlinearity is required to ensure that these other data points do not interfere with the addressing of the desired point.No commercial product based on 3D optical data storage has yet arrived on the mass market, although several companies are actively developing the technology and claim that it may become available ""soon"".
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