Today slashdot mentioned the ending of an internet show which I had never heard of, but which apparently included the handing out missions to it’s viewers, and one of these had been to make an earth sandwich.
Think of it. Placing one piece of bread in one spot on the ground, and then placing (or coordinating with other people to place) another piece of bread on the exact opposite side of the world, thus creating an earth sandwich. I just love the imagery..