Today day is December 6 Microwave Oven Day observed every year.
A microwave oven (commonly referred to as a microwave) is a kitchen appliance that heats and cooks food by exposing it to microwave radiation in the electromagnetic spectrum. This induces polar molecules in the food to rotate and produce thermal energy in a process known as dielectric heating. Microwave ovens heat foods quickly and efficiently because excitation is fairly uniform in the outer 25–38 mm (1–1.5 inches) of a homogeneous, high water content food item; food is more evenly heated throughout (except in heterogeneous, dense objects) than generally occurs in other cooking techniques.
Named the "Radarange", it was first sold in 1946. Raytheon later licensed its patents for a home-use microwave oven that was first introduced by Tappan in 1955, but these units were still too large and expensive for general home use. The countertop microwave oven was first introduced in 1967 by the Amana Corporation, and their use has spread into commercial and residential kitchens around the world. (With material from Wikipedia)
Tips on Safe Microwave Oven Operation
• Follow the manufacturer's instruction manual for recommended operating procedures and safety precautions for your oven model.
• Use microwave safe cookware specially manufactured for use in the microwave oven.
• Don't operate a microwave oven if the door does not close firmly or is bent, warped, or otherwise damaged.
• Stop using a microwave oven if it continues to operate with the door open.
• As an added safety precaution, don't stand directly against an oven (and don't allow children to do this) for long periods of time while it is operating.
• Do not heat water or liquids in the microwave oven longer than recommended in the manufacturer’s instructions.
• Some ovens should not be operated when empty. Refer to the instruction manual for your oven.
• Regularly clean the oven cavity, the outer edge of the cavity, and the door with water and a mild detergent. A special microwave oven cleaner is not necessary. Be sure to not use scouring pads, steel wool, or other abrasives.
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