An e-reader, also called an e-book reader or e-book device, is a mobile electronic device that is designed primarily for the purpose of reading e-books and digital periodicals. An e-reader is similar in form, but more limited in purpose than a tablet.-book reading is increasing in the US; by 2014 28% of adults had read an e-book, compared to 23% in 2013.
1 Ecology (pronunciation) â The study of the interaction of organisms with each other and with their environment.  Geobiology (pronunciation) â A science that combines geology and biology to study the interactions of organisms with their environment.
This wheel describes the scope of acoustics starting from the four broad fields of Earth Sciences, Engineering, Life Sciences, and the Arts. The outer circle lists the various disciplines one may study to prepare for a career in acoustics. The inner circle lists the fields within acoustics that the various disciplines naturally lead to.