The crystal of hydroxyapatite, Ca10 (PO4) 6 (OH) 2 has a characteristic that it varies easily depending on the acidic base environment around the enamel. The etymology of apatite is said to come from the Greek word meaning “to deceive” since it contains various elements in the Ca, PO4, and OH areas and changes appearance. In other words, the true character behind the demineralization and remine...

Automatic Dependent Surveillance-Broadcast (ADS-B) is an emerging software-defined radar technology that is supposed to replace current standards and is part of the Next Generation Transportation Systems (NextGen) in the US. In spite of its several benefits, this technology has been widely cited for being designed without security in mind, making it vulnerable to numerous attacks. Most approach...

A selection of aspects of the theory of bounded cohomology is presented. The emphasis is on questions motivating the use of that theory as well as on some concrete issues suggested by its study. Specific topics include rigidity, bounds on characteristic classes, quasification, orbit equivalence, amenability. Mathematics Subject Classification (2000). Primary 55N; Secondary 20F.

These lectures are supposed to give a point of entry into that vast web of related ideas that go under the name “string theory”. I start with a more or less qualitative introduction to gravity as a field theory and sketch how one might try to quantize it. Quantizing gravity using the usual techniques of field theory will turn out to be unsuccessful, and that will be a motivation for trying an i...

as a distinct socially constructed genre, wedding invitations (wis) offer a fruitful site for investigating how two areas of genre knowledge (i.e., form and content) change over time under the influence of sociocultural forces. through the examination of 100 iranian wis dating from 1970s to the present time, the study investigated the trajectories of change through time within the social semiot...

amir seyyed fathollah shirazi, a physician, historian and politician of indian mughal empire court, was one of the scholars of shiraz. initially, he served as a teacher at mansurieh school in shiraz. he worked for imamgholi mirza, the brother of king ismaeil ii, from safavid dynasty. after killing imamgholi mirza, by the order of the king, he went to india following the invitation of the muslim...

Spotlight on Cancer Informatics is a new feature of Cancer Informatics designed to help build a sense of community among informatics researchers attempting to at once provide informatics services to cancer studies while simultaneously conducting independent research that leads to advances in informatics solution. Individuals are “Spotlighted” at the invitation of the Editor-in-Chief. To be cons...