Crest 3D White Professional Effects Plus 2 Hour Express Whitening Treatment, 22 Count

Vintage tiles is inspired by the simple elegance of classic tile design. Simple details on this all-white matelassé enhances the streamlined sensibility. Woven in 100% Pima cotton the lustrous sheen and soft hand will make it a favorite for years to come.

Enhance the elegant style of any table setting with the beauty of Mother of Pearl. Beveled lines of silver-plated brass trim each shaker with classic style, only from Lauren by Ralph Lauren.

Powerful XV-11 saves you time by automatically vacuuming your entire floor--even deep into corners and under furniture

Laser-based Room Positioning System sees everything in the room, avoids bumping into walls and furniture

High performance vacuum removes all kinds of dirt and cleans all floors--carpets, rugs, hardwood, laminates, tile, and stone

Schedule automatic cleanings while you're away via simple user interface

Automaticall ...

The Galileo thermometer consists of a sealed glass tube that is filled with liquid and several floating bubbles. The bubbles are glass spheres filled with a colored liquid mixture.

Attached to each bubble is a little metal tag that indicates a temperature. These metal tags are calibrated counterweights.

The bubbles are calibrated by adding a certain amount of fluid to them so that they have the exact same density. So, after the weighted tags are ...