Technically it is the silicon strip tracker of the Compact Muon Solenoid (CMS). Shown here are three concentric cylinders, each comprised of many silicon strip detetectors (the bronze-coloured rectangular devices, similar to the CCDs used in digital cameras). These surround the region where the protons collide.
Yep! That is the correct answer. It holds a alcoholmeter to provide a continues reading of the proof of the product coming off a still as it flows through the parrot.