Roosemberth Palacios, 16, says he aced a difficult engineering course offered online by a professor from the Massachusetts Institute of Technology. Palacios lives with his family in Armenia, El Salvador. (Tim Johnson/MCT)
Roosemberth Palacios, 16, says he aced a difficult engineering course offered online by a professor from the Massachusetts Institute of Technology. Palacios lives with his family in Armenia, El Salvador. (Tim Johnson/MCT) MCT
Roosemberth Palacios, 16, says he aced a difficult engineering course offered online by a professor from the Massachusetts Institute of Technology. Palacios lives with his family in Armenia, El Salvador. (Tim Johnson/MCT) MCT

National

December 12, 2013 6:00 AM

Massive online courses pose possibilities but also concerns for professors

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