At first I thought this was some kind of musical instrument. Then my mind shifted to an assembly line of military robots with deadly cannons. Then I looked closely and realised what those thin cylinders were.
It's the Smoking Robot at the Centre for Disease Control and Prevention in Atlanta, 20 robotic Teflon mouths puffing two packs an hour, analysing all the brands to see what kind of deadly compounds they contain. [Wired]