what is the difference between weak and strong large number laws?

[wdlang]

i can understand the weak large number law

however, what does strong large number law mean?

i cannot see the difference between the two

ps: i do physics, not maths

[mathman]

http://en.wikipedia.org/wiki/Convergence_of_random_variables

The weak law is convergence in probability. The strong law is almost sure convergence.