Complex sentence: Inside, the Connected Earth gallery tells the history of satellite communications, additionally there are many interactive exhibits, a cafe, shop and one of Britain's fastest cyber-cafes (a one gigabit pipe and a theoretical maximum speed per iMac of 100Mbit).
Split into simpler sentences: Inside, the Connected Earth gallery tells the history of satellite communications. Additionally there are many interactive exhibits, a cafe, a shop and one of Britain's fastest cyber-cafes (a one gigabit pipe and a theoretical maximum speed per iMac of 100Mbit).