The Ravenna Balloon A-fair, which began in 1979, pays homage to a former large-scale toy balloon producer that was once based in the city. Ravenna’s Balloon A-Fair is back for another year. The annual ...

IT is well known that an oriented crystallization is produced in rubber by stretching. The rubber can be made to crystallize also by a two-dimensional homogeneous dilatation, as in the skin of an ...

Ordinary balloons that abscond from their owners' chubby little fingers can reach altitudes of up to three kilometres. Rubber balloons may remain intact for many days and can travel thousands of ...