Wien’s constant

Wien’s constant is the value of the constant in Wien’s displacement law, which states that the wavelength λ of the peak of the black-body radiation curve is inversely proportional to the temperature T of the black body: λ_{max} = frac{b}{T} where b is Wien’s constant, equal to 2.8977729(17)×10−3 m·K. The law is named after Wilhelm … Read more

Massive open online course (MOOC)

A massive open online course (MOOC) is an online course aimed at unlimited participation and open access via the web. In addition to traditional course materials such as lectures, readings, and problem sets, MOOCs provide interactive user forums that help build a community for the students, professors, and teaching assistants (TAs) to discuss the course … Read more

Web 2

0. Web 2.0 is a term that was coined in 2004 by Darcy DiNucci, a technology consultant and former editor of the Web magazine HotWired. DiNucci’s original definition of Web 2.0 was “a collaborative medium, built on the premise that information wants to be free.” The term “Web 2.0” has become widely used to describe … Read more