Do ceramic brake pads make a noise?

Yes, ceramic brake pads make a noise. This is because when the pad is pressurized, it makes a "ping" noise. Are the brakes getting old and making the noise? It depends on a variety of factors, including the specific make and model of car, the age of the brakes, and the use and condition of ... Read more...

Are crystal glasses worth anything?

It depends on a variety of factors, including the specific type of crystal glass desired, the quality of the manufacturing process, and the vintage of the glass. Generally speaking, however, crystal glasses can be considered to be high-quality optics and are often used in luxury wine and spirits tastings and events. Whats the best crystal ... Read more...

Do aerosol cans lose pressure?

When you open an aerosol can, the compressed air inside the can expands. This expansion makes the aerosol more dense, and because aerosols are made up of tiny droplets, this means that when you exhale the air from the can, the droplets are more numerous and larger. As a result, the pressure in the can ... Read more...

What is more expensive a pearl or a diamond?

Pearls are generally more expensive than diamonds. The pearl is made from a small amount of salt that is rubbed against a piece of meat to create a gem. The diamond is made from a large amount of coal, which is heated and then cut into small diamond shapes. How many diamonds are in a ... Read more...