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An illustration of some of the optical devices available for laboratory work in England in 1858. An optical instrument is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic properties.
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Phase shift through a beam splitter with a dielectric coating. Beam splitters are sometimes used to recombine beams of light, as in a Mach–Zehnder interferometer.In this case there are two incoming beams, and potentially two outgoing beams.
Depictions of sapeh exist in carvings and bas-relief panels found in ancient temples of Java dating back to the early 8th century. According to native Kalimantan manuscripts and inscriptions (mainly found in Banjar and Kutai Kertanegara), these string-based musical instrument originated in the eastern region of the island of Java and were introduced to the southern and eastern coastal regions ...
A gambang, properly called a gambang kayu ('wooden gambang') is a xylophone-like instrument used in Indonesian gamelan and kulintang ensembles. It has wooden bars (wilah) in contrast to the metallic ones of the more typical metallophones in a gamelan.
Experimental music is a general label for any music or music genre that pushes existing boundaries and genre definitions. [1] Experimental compositional practice is defined broadly by exploratory sensibilities radically opposed to, and questioning of, institutionalized compositional, performing, and aesthetic conventions in music. [2]
The word 'tarawangsa' comes from the Sundanese language. Tarawangsa comes from three combinations of words, namely 'Ta - Ra - Wangsa'.'Ta' is an acronym for the word 'Meta' which means 'movement', then 'Ra' means 'great fire' or 'the sun', and 'Wangsa' is a synonym for the word 'nation'.
Kolintang is a traditional Minahasan percussion instrument from North Sulawesi, Indonesia, consisting of wooden blades arranged in a row and mounted on a wooden tub. [1] ...