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.
The iPad Air has the similar looks as the iPad minis. The design is also almost similar compared to iPad mini. The aesthetic part is more modern than the older iPad 2. iPad Air weights just 478 gms unlike iPad 2 which is 613 gms. This makes it lighter and smaller-thus thinner bezel.