Surprisingly, distance education is quite an old concept. Its origins date back to the first correspondence-based course, which took place via the postal service in Boston, USA, in the 18th century. Rapid technological developments, especially in video and audio streaming, have increased the availability of such courses and moved learning into the…

When it aired in 1989, Ken Burns's epic documentary about America's Civil War garnered the largest audience in PBS history. Viewers who had little interest or knowledge of the Civil War were attracted to the powerful images and sounds as well as the narration by David McCullough and commentary by Shelby Foote--the combination of which served to…