Oh and while you are doing LuLu's homework
Could you help me to build a system that monitors every train that passes by on a track (weight, speed, type, number of people carried, temperature, pH, Mood of the driver, coffee spill on the floor, number of non-paying commuters, number of loud-noise MP3 devices, and everyone's credit card details)
LuLu if you don't want to do the homework, quite school
Ton