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.
At first glance it might look like the 128GB iPad Air and 128GB Retina iPad mini offer eight times (8x) the storage of the 16GB models for less than twice the price - $499 vs. $799 for the iPad Air, $399 vs. $699 for the Retina iPad mini.