Ion-wake field inside a glass box

Interaction force in a vertical dust chain inside a glass box.

Small number dust particle clusters can be used as probes for plasma diagnostics. The number of dust particles as well as cluster size and shape can be easily controlled employing a glass box placed within a Gaseous Electronics Conference (GEC) rf reference chamber to provide confinement of the dust. The plasma parameters inside this box and within the larger plasma chamber have not yet been ad...

Thinking inside the box

In the next few decades, brain medicine will present a particular socioeconomic challenge for ageing citizens worldwide. Many disorders and ailments that affect the brain—including Alzheimer disease, Parkinson disease, dementia and stroke—are chronic conditions that persist for years or even decades. In addition, many of these disorders have devastating effects, which together create a substant...

Inside the Black Box:

Survey methodologists borrowed the think aloud method from cognitive psychology in order to make respondents’ thinking explicit in a variety of tasks. The method has become a central feature of cognitive interviewing to pretest questionnaires. In adapting the method for pretesting, survey researchers changed it in important ways that may have implications for data quality, either for better or ...

Black-Box/Glass-Box Evaluation in Shiraz

The Shiraz project included an evaluation component: two ‘glass-box’ evaluations have been performed during the project as well as a black-box evaluation at the end of the project. The evaluations were based on the use of a bilingual tagged test corpus of 3000 sentences. Evaluation tools were developed in order to automate the evaluation process. The glass-box evaluations included the evaluatio...

A Plasma Wake Field Accelerator*