There has been an upsurge of interest recently in the use of metallic pigments. Metallic pigments are found in many objects that we use everyday from household items and sports goods to the coatings on scratch cards. Colour is one of the key factors that influences a customer bu…
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"Is color a necessity of life, in the same manner as food, water and air? The answer is no, but try to imagine a world without color. Nature would bear no brightly colored flowers, no green grass, no festively colored birds or fish. The blue of sky-rich and deep one day, only to…
Many non-human animal species use colour to signal dominance, condition or reproductive status. These signals have not previously been noted in humans. This thesis investigates the effects of skin colouration and pigmentation on the apparent health of human faces. Section 2 show…
The focus of this study was analytical investigations of Egyptian paintings, mainly Coptic icons and Islamic wooden ceilings, dating from 1300-1900 using multi-instrumental techniques. Twenty three Coptic icons and three wooden ceilings dated from different periods and painted b…
