18-05-2016 - Background As a material (typically, a metal) is stretched, it can reach a point where all of the strain (deformation) is concentrated in just one area. For example, notice in the figure below how the material has become very narrow across a short length in the specimen which was initially cylindrical. This condition is called
20-05-2016 - God created the world and the Dutch created the Netherlands. This old and popular expression among Dutch people could get a completely new meaning. After the polders, dikes, and Delta works, the Dutch may have a new flagship: the Dutch mountain. The idea started as a column by journalist and former professional cyclist Thijs Zonneveld.