A method of determining the objective age of carbon-based materials by measuring the amount of carbon-14, formed when the nitrogen of radiocarbon decays, against an internationally used standard reference. William F Libby is credited with developing the method in 1946. It is used widely in disciplines such as archaeology and other natural sciences to determine the age of biological specimens and artefacts.
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Tempera
A technique of painting characterised by mineral pigments suspended in binders such as egg yolk, casein, glycerine or gum in…
Calotype
An early photographic technique invented by William Henry Fox Talbot, who patented it in 1841. Also known as talbotype, the…
Kajli Siyahi
A technique associated with the Patna School, where paintings are rendered directly by paintbrush on the surface, without using pencilled…
Double-Interlock
A technique of tapestry weaving wherein two differently coloured weft threads interlock on a single warp thread. This method allows…
Patthakati
Skilled artisan involved in the process of making Benarasi brocade textiles, who punch holes in a card corresponding to a…
Waxed Paper Negative
A photographic negative using a base of paper coated with oil or beeswax before the application of dry and stable…
Kani
A term referring to both the weaving technique and the final textile created by this method. It may also refer…
Gouache
An opaque water-soluble paint that contains a gum binder and a white pigment such as chalk mixed with a high…