No, said airline security, you can't take this bottle onboard. It exceeds the 100 milliliter limit; it's forbidden.
But wait, said professor Martin Birchall of Bristol University. This is a medical container. Inside is a trachea, a carefully constructed human windpipe, seeded with 60 million stem cells from a very sick woman in Barcelona. We have just 16 hours to get it into her body. We pre-arranged this.
We have no record of your request, said the airline.
Ray Anderson's Pocket Brass Band is about watch-pocket size: With three horns and drums, it couldn't get much smaller. On its new Sweet Chicago Suite, Anderson makes what the group does sound easy. Just write some catchy, bluesy tunes and then have the band blast them out.