A beam from a laser source is shone on to this mirror, which sweeps it from side to side across a second mirror that is in turn swivelled up and down by a tiny electric motor.
On top of it all is Cozmo's head, which resembles nothing more than an old tube TV or computer monitor that swivels up and down, along with the arm.
God, they'd danced out from under the massive bowers of wisteria without a sideways glance and were doing a salsa, or something hippy and swivelling, up the middle of the road.
If you have a flat-screen monitor that can move and swivel, open up the image and orient a piece of paper over the image on the monitor.
This being Japan, where cuteness is an important feature of even the most mundane, functional gadgets, PaPeRo has an anthropomorphic design, with two "eye holes" for the cameras, and a "head" that rotates and swivels up and down to direct them.
Their "Sound Lives Stereo Earphone" isn't exactly what you could expect: It features a small speaker for the outer ear that swivels (up to 90 degrees).
The company also showed off a handful of different prototypes designed to deal with the camera "problem," including a small one that swivels up from the back of the device and another that pops up in a manner similar to those old-school slider cellphones.
Old lipsticks tend to be forgettable; the thrill is in the promise of the new -- the swivel-up tube with its chiseled edge designed to execute an impeccable curve on the upper lip.
If moving from one hot spot to the next is confusing, witnesses can back up, swivel around or shift between current and 1972 views to regain their bearings.
Open them up, swivel them around -- as they rotate, you feel a series of slight, precise detents, as you would when adjusting the volume on an expensive home audio system.
