Display environments for presentations are becoming diverse, and it is common to have multiple displays in the same room. We present a system to edit and give presentations using multiple displays. The main idea is to separate the content from the views. The author prepares presentation visuals (text and images) on an infinitely zoomable canvas, and then specifies what is shown in each display ...

Some decompositions of the three-dimensional sphere and three-dimensional ball into Jordan curves are considered. In particular, it is proved that for every strictly positive real number p ≤ 1 there exists a partition of the unit three-dimensional Euclidean sphere into circles whose radii are equal to p. Let S2 be the unit two-dimensional sphere in the Euclidean space R3 and let S3 be the unit ...

The ring-sheared drop is a containerless system where shear imparted by two contact rings, one rotating and the other stationary. In microgravity, aqueous drops can be studied in air at centimeter scale. Drops of this scale also experimentally on Earth, but effects gravity need to mitigated density matching liquid its surrounding fluid. use silicone oil surrounded an solution allows while retai...

not beginning or completing the vaccination schedule as recommended in the expanded programme on immunization is one of the major reasons for low immunization coverage. it should be studied in detail for remedial action, if the objectives of the epi in iran are to be achieved as stated. generally, lack of knowledge, lack of motivation and obstacles ore the basic categorical reasons for low cove...