The flying ad-hoc networks (FANET) are utilized in the various types of applications, such as weather, military, information retrieval, geographic information systems (GIS), surveillance of disaster hit area, etc. The groups of unmanned aerial vehicles, also called flying nodes or crafts, are used for such applications. The flying nodes or crafts, when take the flight, need to consider multiple...

Traditionally, craft activities have provided a tasteful introduction to mathematics for children: through the building of paper polyhedra, or the creation of patterns in string, children have often come to appreciate profound mathematical ideas. The next decade, however, is likely to see a tremendous expansion of accessible, powerful technology that will (or at least could) radically reshape a...

[Purpose] To determine the effects of a combined physical activity, arts and crafts, and recreational program on the activities of daily living (ADL), cognitive function, and depression in the elderly. [Subjects and Methods] Twenty-eight elderly persons aged 65 years or older who live in P City, South Korea participated in a program combining arts and crafts and physical and recreational activi...

A gold(I)-catalysed reaction of allylic alcohols and phenols produces chromans regioselectively via a one-pot Friedel-Crafts allylation/intramolecular hydroalkoxylation sequence. The reaction is mild, practical and tolerant of a wide variety of substituents on the phenol.