Optical refrigeration provides the only solid-state technology capable of reaching cryogenic temperatures, currently below 100K. Novel, adaptable designs are implemented for technologies requiring vibration-free cryogenic operation.
The emergence of Web 2.0 technologies with its emphasis on social networking has presented an opportunity for academic institutions to take advantage of new tools to support educational courses. One of these tools is a Wiki. This chapter discusses the merits and challenges of using a Wiki to support the activities of students during group projects. It shows… (More)