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The First Iconoclasm, [1] as it is sometimes called, occurred between about 726 and 787, while the Second Iconoclasm occurred between 814 and 842. [2] According to the traditional view, Byzantine Iconoclasm was started by a ban on religious images promulgated by the Byzantine Emperor Leo III the Isaurian , [ 3 ] and continued under his ...
The first act of Muslim iconoclasm dates to the beginning of Islam, in 630, when the various statues of Arabian deities housed in the Kaaba in Mecca were destroyed. There is a tradition that Muhammad spared a fresco of Mary and Jesus. [55] This act was intended to bring an end to the idolatry which, in the Muslim view, characterized Jahiliyyah.
The usage of the icon was important to the celebration that occurs on the first Sunday of Lent as its main role is to celebrate the end of the iconoclasm in 843. [3] It also served the role of quelling the Byzantine people’s insecurity about the downfall of the Byzantine Empire. [ 2 ]
In light microscopy, oil immersion is a technique used to increase the resolving power of a microscope. This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index , thereby increasing the numerical aperture of the objective lens.
1957: Marvin Minsky, a professor at MIT, invents the confocal microscope, an optical imaging technique for increasing optical resolution and contrast of a micrograph by means of using a spatial pinhole to block out-of-focus light in image formation. This technology is a predecessor to today's widely used confocal laser scanning microscope.
In 829, Theophilos became the sole emperor and began an intensification of iconoclasm with an edict in 832 forbidding the veneration of icons. [ 1 ] [ 3 ] After the death of Theophilos in January of 842, the empire was inherited by the infant Michael III and managed by his mother Theodora until 856.
The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects. Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.
Print of the destruction in the Church of Our Lady in Antwerp, the "signature event" of the Beeldenstorm, 20 August 1566, by Frans Hogenberg [1]. Beeldenstorm (pronounced [ˈbeːldə(n)ˌstɔr(ə)m]) in Dutch and Bildersturm [ˈbɪldɐˌʃtʊʁm] in German (roughly translatable from both languages as 'attack on the images or statues') are terms used for outbreaks of destruction of religious ...