[tholin1976]

Why do most pipette washers require you to place the pipettes with the tip up? It's probably a stupid question, but it's just something I would like to know..

[Arkcon]

Try to figure this one out for yourself, its good practice for future problems.  What's the difference between the open end and the tip?  Can you practice with a plastic drinking straw (just crinkle one end into a "tip") and a glass of water?  What happens?