This story (like the last one) was also inspired by the curiosity of my students at Cali, Colombia. The question, this time, is: When and why does the bang (!) operator fail? Sometimes you have infinite bulletsWhat we were discussing with my students those days was one of the core concepts of Erlang: Message Passing. Message Passing in Erlang is achieved using the send operator (i.e. !, a.k.a. ban