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However parallel fourths in upper voices (especially as part of a parallel "6-3" sonority) are common, and formed the basis of fifteenth-century fauxbourdon style. As an example of this type of allowed parallel perfect fourth in common practice music, see the final movement of Mozart's A minor Piano sonata whose theme in bars 37–40 consists ...
The use of perfect fourths and fifths to sound in parallel with and to "thicken" the melodic line was prevalent in music prior to the European polyphonic music of the Middle Ages. In the 13th century, the fourth and fifth together were the concordantiae mediae (middle consonances) after the unison and octave, and before the thirds and sixths.
Wiggle stereoscopy is an example of stereoscopy in which left and right images of a stereogram are animated. This technique is also called wiggle 3-D, wobble 3-D, wigglegram, or sometimes Piku-Piku (Japanese for "twitching"). [1] The sense of depth from such images is due to parallax and to changes to the occlusion of background objects. In ...
An example of a full wallpaper name in Hermann-Mauguin style (also called IUCr notation) is p31m, with four letters or digits; more usual is a shortened name like cmm or pg. For wallpaper groups the full notation begins with either p or c, for a primitive cell or a face-centred cell; these are explained below.
And, while the depth confusion problems of parallel projection can sometimes be a problem, good game and level design can alleviate this. Further, though not limited strictly to isometric video game graphics, pre-rendered 2D graphics can possess a higher fidelity and use more advanced graphical techniques than may be possible on commonly ...
For four bodies, with two pairs of the bodies having equal masses (but with the ratio between the masses of the two pairs varying continuously), numerical evidence indicates that there exists a continuous family of central configurations, related to each other by the motion of an antiparallelogram linkage.
Animated films about parallel universes, hypothetical self-contained realities which co-exist. Subcategories This category has the following 3 subcategories, out of 3 total.
English: A given translation may be decomposed into two reflections with parallel axis: two lines here named Δ 1 and Δ 2 . If one of the reflections or is given, the axis of which is perpendicular to the direction of , the other reflection is unique which fulfills the equality: = .