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.
iPad mini 3: design. Apple has kept the design virtually identical to last year's iPad mini with Retina Display. Notable changes include the addition of the TouchID sensor and the ability to pick up the iPad mini 3 in gold. The tablet keeps the premium aluminium chassis and thin bezels that made its predecessor so popular.