And the subtle, perfectly measured tonal shifts in the shadows and turned edges of objects in Mandarins and Paintings are worth spending some time with. (burnaway.org)
The horizontal edges of objects on screen jitter up and down because each full TV picture is transmitted as two half pictures or «fields». (newscientist.com)
But this makes the horizontal edge of an object jitter up and down 50 times per second as the two fields continually show it in slightly different positions. (newscientist.com)