Pick 45 numbers between 1 and 100. Try to avoid creating pairs whose difference is the square of some number and you will fail. Always.
Written for the course `Random Graphs' at Eindhoven University of Technology, and class room tested for over ten years, the book `Random Graphs and Complex Networks' has now finally appeared in print at Cambridge University Press.
Many aspects in our daily life can be displayed as a network consisting of elements and the connections between them. This is explained in a playful manner in this video.