Month: March 2015
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Grote Wolk, 1995, JCJ VANDERHEYDEN
JCJ VANDERHEYDEN – Grote Wolk via Boijmans van Beuningen; JCJ VANDERHEYDEN – In-zicht.
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Untitled, 1989, Zoe Leonard
Zoe Leonard, Untitled, 1989, Silbergelatine-Abzug, Unikat, 25,4 x 20,3 cm, © Zoe Leonard und Galerie Gisela Capitain, Köln. via archivezoeleonard.
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Robert Ryman
“In my studio I see the paintings with daylight from above, on cloudy and sunny days, and in incandescent light, in various strengths, without daylight. It is not just the intensity of the light, but the direction of the source that is important, and in each light situation the paintings looked different. At one point,…
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Doppler effect – Wikipedia, the free encyclopedia
The Doppler effect (or Doppler shift) is the change in frequency of a wave (or other periodic event) for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler, who proposed it in 1842 in Prague. It is commonly heard when a vehicle sounding a siren or horn approaches,…
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Interference (wave propagation) – Wikipedia, the free encyclopedia
The principle of superposition of waves states that when two or more propagating waves of same type are incident on the same point, the total displacement at that point is equal to the pointwise sum of the displacements of the individual waves. If a crest of a wave meets a crest of another wave of…
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The subconscious art of graffiti removal (excerpt)
[youtube https://www.youtube.com/watch?v=pUa9x1-SMLo]
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Dubbelvorm nr. 4, 1958 by Carel Visser
image004.jpg (JPEG Image, 613 × 460 pixels).