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本帖最后由 活宝 于 2011-8-14 19:52 编辑
埃舍尔的瀑布
ETA:wikipedia
The image depicts a village or village of a small city with an elevated aqueduct and waterwheel as the main feature. The aqueduct begins at the waterwheel and flows behind it. The walls of the aqueduct step downward, suggesting that it slopes downhill. The aqueduct turns sharply three times, first to the left, then straight forward and finally to the left again. The viewer looks down at the scene diagonally, which means that from the viewer's perspective the aqueduct appears to be slanted upward. The viewer is also looking across the scene diagonally from the lower right, which means that from the viewer's perspective the two left-hand turns are directly in line with each other, while the waterwheel, the forward turn and the end of the aqueduct are all in line. The second left-hand turn is supported by pillars from the first, while the other two corners are supported by a tower of pillars that begins at the waterwheel. The water falls off the edge of the aqueduct and over the waterwheel in an infinite cycle. (In his notes on the picture, Escher points out that some water must be periodically added to this apparent perpetual motion machine to compensate for evaporation.) The two support towers continue above the aqueduct and are topped by two compound polyhedra. The one on the left is a compound of three cubes. The one on the right is a stellation of a rhombic dodecahedron (or a compound of three non-regular octahedra).
Below the mill is a garden of bizarre, giant plants. This is actually a magnified view of a cluster of moss and lichen which Escher drew in ink as a study in 1942.
The background seems to be a climbing expanse of terraced farmland.
《瀑布》是埃舍尔在1961年创作的一幅画作，其中描绘的景象看似不可能在现实世界中实现。
然而人类的想象力是无穷的，已经有许多3维模型的实现方案
不过更不可思议的是一位工程师竟然制作出了物理模型！实在是太惊人了！
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发表于 2010-12-21 19:57:34
楼主
发表于 2010-12-22 00:22:51
发表于 2010-12-23 17:12:09
发表于 2011-1-19 11:02:10
