Thought for the day:

[ModelMakerMan]

How long did the wheel and the suitcase co-exist before someone thought to put them together? It seems we put a man on the moon before we worked out that a suitcase with wheels would be a good idea?!

 

[Chas]

You're right, there was a man on the moon before mobile suitcases, but only just;

http://wiki.answers.com/Q/Who_invented_ ... on_luggage

 

[ModelMakerMan]

You would have thought NASA would have invented them, at very least it would have made loading the rockets easier!