Answer:
There are two main binocular cues that help us to judge distance: Disparity – each eye see a slightly different image because they are about 6 cm apart (on average). Your brain puts the two images it receives together into a single three-dimensional image
Explanation:
Answer:
Contour drawing, version of outline drawing, in which the artist, looking closely at the contour of an object, transfers it in one continuous line to paper without looking down to see what he is doing, except when he needs to place an internal feature such as an eye.
Explanation:
These stone wedges are called voussoirs.
Voussoirs are wedges, a type of stone often used for making arches and vaults - in this case, voussoirs were used to create arches in the Great Mosque (possibly referring to the Greate Mosque of Mecca, in Saudi Arabia).
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Answer:</h2>
Wonder it has a movie of it
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Explanation:</h2>
Answer:
The hydraulis is a predecessor of a church organ. (modern church organ)
Explanation:
Hydraulis, is earliest known mechanical pipe organ. It was invented by Ctesibius of Alexandria, an engineer in 3rd century BC. The hydraulis is a water driven pipe (instrument) and was the world's first keyboard instrument. It was the predecessor of the modern church organ.
The hydraulis has a reservoir of air which is inserted into a cistern of water. The air is pushed into the reservoir with hand pumps, and exits the reservoir as pressurized air to blow through the pipes.
These organs in churches, cathedrals or halls are very large in size, and are built especially for the these specific buildings.They are called “pipe organs” to distinguish them from modern “electronic organs”.
