transparent ink
41Poly(methyl methacrylate) — This article is about the transparent plastic sometimes called acrylic glass. For the glass/plastic laminate often called safety glass , see laminated glass. Poly(methyl methacrylate) …
42IBM Selectric typewriter — The IBM Selectric typewriter (occasionally known as the IBM Golfball typewriter) is an influential electric typewriter design. It was introduced in 1961.Instead of a basket of pivoting typebars the Selectric had a pivoting type element… …
43Corneal tattooing — is the practice of tattooing the cornea of the human eye. Reasons for this practice include the improvement of cosmetic appearance and the improvement of sight. Many different methods and procedures exist today, and there are varying opinions… …
44pen drawing — Artwork executed wholly or in part with pen and ink, usually on paper. It is fundamentally a linear method of making images. Artists who wish to suggest three dimensional forms use hatching and cross hatching or washes of colour laid onto the… …
45Color model — A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components. When this model is associated with a precise description of how the… …
46drawing — /draw ing/, n. 1. the act of a person or thing that draws. 2. a graphic representation by lines of an object or idea, as with a pencil; a delineation of form without reference to color. 3. a sketch, plan, or design, esp. one made with pen, pencil …
47pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… …
48photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
49Security printing — is the field of the printing industry that deals with the printing of items such as banknotes, passports, tamper evident labels, stock certificates, postage stamps and identity cards. The main goal of security printing is to prevent forgery,… …
50Dye-sublimation printer — Samsung SPP 2040 printing a photograph. Part of a series on the …
