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Collaborative learning technology has been widely applied in various disciplines in support of dialectical discourse and argumentation. Technologies not only allow multiple users to concurrently analyze and edit documents in the same virtual space but also present richer cues for collaboration awareness. However, researchers still know very little about how the synching mechanisms work together to...
Student engagement is a pervasive and persistent goal for educators. In previous work we have reported that activities like public real-time commenting on videos can enhance student participation and engagement. However, these events occur over a limited period of time. Thus a more challenging question is how to increase and sustain student engagement. In this paper we describe the iterative development...
The article is about the origin and the arrow of time. The author explains that special conditions in the early universe are responsible for the arrow of time. The authors talk about the nature of time, the origin of entropy, and how what happened before the Big Bang may be responsible for the arrow of time we observe today.
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