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An opaque object is neither transparent (allowing all light to pass through) nor translucent (allowing some light to pass through). When light strikes an interface between two substances, in general, some may be reflected, some absorbed, some scattered, and the rest transmitted (also see refraction ).
For example, on typical radiographs, bones look white or light gray (radiopaque), whereas muscle and skin look black or dark gray, being mostly invisible (radiolucent). Though the term radiodensity is more commonly used in the context of qualitative comparison, radiodensity can also be quantified according to the Hounsfield scale , a principle ...
The opacity of a microbial colony can be described as transparent, translucent, or opaque. Staphylococci are usually opaque, [1]: 167–8 while many Streptococcus species are translucent. [4]: 188 The overall shape of the colony may be characterized as circular, irregular, or punctiform (like pinpoints). The vertical growth or elevation of the ...
Decorative pedestal milk glass bowl. Milk glass is an opaque or translucent, milk white or colored glass that can be blown or pressed into a wide variety of shapes. First made in Venice in the 16th century, colors include blue, pink, yellow, brown, black, and white.
People approaching a restroom are able to confirm that it is empty because they can see through into the interior while the door is unlocked. Once the occupied restroom door is locked, walls of the room are opaque. [24] [25] The Volkswagen ID.7 has a smart glass panoramic sunroof, which can be switched from transparent to opaque electrically. [26]
Depending on the conditions in which it formed, opal may be transparent, translucent, or opaque, and the background color may be white, black, or nearly any color of the visual spectrum. Black opal is considered the rarest, while white, gray, and green opals are the most common.
2. Silver. Taking a page out of Nicole Kidman’s book, silver is a must-have choice for fair skin. Silver has a reflective, subtle shine that enhances the natural brightness of fair skin.
This is the same kind of phenomenon that Richard S. Hunter (1969) calls "geometric attributes of appearance". [1] The advantage is that the concept of cesia encompasses all the involved aspects in a single word, and that all cesias have been organized in a three-dimensional order system according to three axes of variation, similar to color order systems or color models.