A motor vehicle is slowed down or stopped with the help of the 'Brake' device, which is a combination of interacting parts of the vehicle creating friction mechanism. At the time of normal driving conditions, a foot-operated brake is used for hindering, stopping and controlling the automotive vehicle. Air brakes in Sault Sainte Marie are used on heavy vehicles such as buses and trains, since those work by means of compressed air. However, emergency brakes are operated by the driver with his or her hand and the same is used in emergencies only. There are two types of wheel-brake mechanisms ; such as drum brakes and disk brakes. Drum brakes are used in older vehicles, and at the rear wheels of many vehicles, the front disk brakes are used.

Where Have All the Honeybees Gone?

  Written by : Lee Ann Rush Since 2006, a strange phenomenon has been occurring in the United States, Europe, and other countries across the globe:  the honeybee population is disappearing.  Opinions vary regarding the root cause of this mass die-off of honeybees, known as colony collapse disorder; some blame parasites, bacteria, loss of natural habitat, poor nutrition or genetic issues.  The primary..