A more flexible definition of shape takes into consideration the fact that realistic shapes are often deformable. The shape of an object located in some space is a geometrical description of the part of that space occupied by the object, as determined by its external boundary – abstracting from location and orientation in space, size, Read More
The first camera obscura that was small enough for practical use as a portable drawing aid was built by Johann Zahn in 1685. A camera is a device that records images that can be stored directly, transmitted to another location, or both. These images may be still photographs or moving images such as videos or Read More
One of the most musically complex songs on Sgt. Pepper, it was recorded on 17 February 1967 with overdubs on 20 February (organ sound effects), 28 March (harmonica, organ, guitar), 29 March (more organ sound effects), and 31 March. Lennon wanted the track to have a “carnival atmosphere”, and told producer George Martin that he Read More