Nontraditional vending machines are popping up around metro Atlanta selling items like books, Hot Wheels cars, art and bagels ...

A simulation of the Automatic Ticket Vending Machine (ATVM) interface found at railway stations, designed with Human-Machine Interaction (HMI) principles.

State Pattern allows an object to alter its behavior when its internal state changes. The object will appear to change its class. Each state is represented by a class implementing a common interface.

A hacker enticed by the payment method used by the vending machines located on a university campus found a way to get free credit after looking at the inner workings of the machine's accompanying ...