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 is Apple's fifth generation full-sized iPad tablet, and the name is definitelly fitting for this remarkable device. It is only 7.5 millimeters thin and weighs just 469 grams, making it the lightest slate of this size. Its screen is identical to the one we know from its predecessor - a 9.7-inch Retina Display with oleophobic coating and resolution of 1536 by 2048 pixels.