The direct reason to write this post is rather sad. In January 2016, Artur Fischer died at the age of 96.  Fischer is best known for inventing the plastic wallplug, first patented in 1958. This solved the problem of attaching anything to brittle stone walls with hard metal screws. The company he started, kept on producing them until this very day....

Often people from different backgrounds find themselves working together in a team. Unless this group worked together before, chances are that no one knows what everyone else knows. This is especially the case if people come from different departments. But is it really necessary that everyone knows what everyone else knows? Research on transactive memory systems (TMS), or the collective group knowledge,...