For some, “learning objects" are the “next big thing” in distance education promising smart learning environments, fantastic economies of scale, and the power to tap into expanding educational markets. While learning objects may be revolutionary in the long term, in the short term, definitional problems and conceptual confusion undermine our ability to understand and critically evaluate the emerging field. More...
Gravitational Waves Crash Journal Website
Physical Review Letters experienced one of its best web traffic days ever on Thursday as the scholarly journal released scientists' findings documenting the existence of gravitational waves, ripples in space-time first predicted by Albert Einstein. Read more...




