What is this series of tubes? [more inside]
posted by Tube on Apr 19, 2009 - 6 answers

Why is there a wooden beam that bisects this wooden picnic table top? [more inside]
posted by Tube on Sep 20, 2008 - 16 answers

What is this mysterious structure? [more inside]
posted by Tube on Jun 14, 2008 - 6 answers