etching medium
61stained glass — stained glass, adj. glass that has been colored, enameled, painted, or stained, esp. by having pigments baked onto its surface or by having various metallic oxides fused into it, as used in church windows, decorative lampshades, etc. [1785 95] *… …
62painting, Western — ▪ art Introduction history of Western painting from its beginnings in prehistoric times to the present. Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …
63photography, 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… …
64Quantum cascade laser — Quantum cascade lasers (QCLs) are semiconductor lasers that emit in the mid to far infrared portion of the electromagnetic spectrum and were first demonstrated by Jerome Faist, Federico Capasso, Deborah Sivco, Carlo Sirtori, Albert Hutchinson,… …
65Media (arts) — In the arts, media (plural of medium) are the materials and techniques used by an artist to produce a work.DrawingIn drawing, media refers to the type of held dry tool used and the base onto which it is transferred. The held dry tool normally… …
66microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
67spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
68William Blake — Infobox Writer name = William Blake caption = William Blake in an 1807 portrait by Thomas Phillips. birthdate = birth date|df=yes|1757|11|28 birthplace = London, England deathdate = death date and age|df=yes|1827|08|12|1757|11|28 deathplace =… …
69Silvaco — Infobox Company company name = Silvaco International company company type = Private Company| foundation = 1984 location = key people = Dr Ivan Pesic, President/CEO industry = Software Programming homepage = [http://www.silvaco.com/… …
70Monoprinting — is a form of printmaking that has images or lines that can only be made once, unlike most printmaking, where there are multiple originals. There are many techniques of monoprinting. Examples of standard printmaking techniques which can be used to …
