The Fluid Filled Cochlea. The pressure changes in the cochlea caused by sound entering the ear travel down the fluid filled tympanic and vestibular canals which are filled with a fluid called perilymph.
Those who love the size of the original iPad Mini 1 will be pleased to find that the size remains unchanged. Both the iPad Mini 1 and the iPad Mini 2 both measure in with a height of 7.87 inches and a width of 5.3 inches. The iPad Mini has only a slight difference in depth, while it weighs slightly more. However, it is still lightweight enough for anyone who wants a small and portable tablet.
Apple iPad mini 2 vs Apple iPad mini: Display. Seeing a Retina display on the new iPad mini hardly comes as a surprise. The improved 7.9-inch display is exactly what we expected and it bumps up the resolution of the mini iPad from 768 x 1024 pixels to 1536 x 2048 pixels.