Red onion, "Allium cepa," juice can dye a cloth sample green upon the addition of alum, aluminum potassium sulfate, and this sample can turn red when subjected to an acidic solution. When the red-colored sample is washed with a neutral or alkaline aqueous solution, its color turns green again. These experiments illustrate color changes…

A lot of new science has been inspired by common phenomena and even by old traditions practiced in our daily lives. Eventually, after deep exploration, this may engender unexpected new technologies. In this paper, inspired by the wearing of a traditional cloth called a "sarong," by the community in South East Asian countries and others,…

The rise of online course enrollments in higher education has highlighted the need to establish and validate effective online instructional strategies focused on improving learning outcomes and affective responses towards instruction. One such strategy, group-based context personalization, frames instructional materials within contexts relevant to…

Knitting groups, blogs, magazines, and fiber arts social media sites (e.g., ravelry.com) have flourished in the last decade as more women (and men) engage in the craft. The popularity of this craft today and the history of fiber arts, in general, deserve the attention of feminist scholars. Beth Ann Pentney has presented evidence for both obvious…