Search results
Results from the WOW.Com Content Network
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to vibrate [ 2 ] and produce thermal energy in a process known as dielectric heating .
Pressure cookers produce superheated water, which cooks the food more rapidly than boiling water. Superheated water is liquid water under pressure at temperatures between the usual boiling point, 100 °C (212 °F) and the critical temperature, 374 °C (705 °F). [citation needed] It is also known as "subcritical water" or "pressurized hot water".
Superheating can occur when an undisturbed container of water is heated in a microwave oven. At the time the container is removed, the lack of nucleation sites prevents boiling, leaving the surface calm. However, once the water is disturbed, some of it violently flashes to steam, potentially spraying boiling water out of the container. [6]
Small microwave oven on a kitchen counter Microwaves are widely used for heating in industrial processes. A microwave tunnel oven for softening plastic rods prior to extrusion. A microwave oven passes microwave radiation at a frequency near 2.45 GHz (12 cm) through food, causing dielectric heating primarily by absorption of the energy in water.
Preheat the oven to 450°F. In a medium measuring cup, whisk together the butter, oregano, salt, and pepper. Peel the potatoes and trim the rounded ends. Cut the potatoes into 1-inch-thick slices ...
A microwave oven uses dielectric heating to cook food.. Dielectric heating, also known as electronic heating, radio frequency heating, and high-frequency heating, is the process in which a radio frequency (RF) alternating electric field, or radio wave or microwave electromagnetic radiation heats a dielectric material.
1 2/3 c. Arrange racks in upper and lower thirds of oven; preheat to 350°. In a large bowl, whisk flour, baking soda, cinnamon, and salt. In the large bowl of a stand mixer fitted with the paddle ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!