Can you program your way past airport security? The usual rules apply.
No liquids are allowed in your hand luggage:
Can you, as a thirsty passenger, take some water with you anyways? Leave your answer in a comment. The comments will stay private for a while, and be published later in the next blog post.. Try to solve it, and then look at the solutions in the comments below!
Update: comments were briefly not moderated, already showing the solution immediately; sorry for that.
Update: Let's try to do it differently from the other puzzles then! Only look at the comments below after you're tried to solve it yourself!