Changes

[[Image:Microwave 750pix.jpg|right|thumb|A typical microwave oven.|250px]]

[[Image:Microwave 750pix.jpg|right|thumb|A typical microwave oven.|250px]]

A '''microwave oven''' is a kitchen device used for heating [[food]]. Unlike a [[toaster]], it works by irradiating food with electromagnetic radiation whose wavelength is long enough to penetrate the surface. Thus the food is heated evenly.  

A '''microwave oven''' is a kitchen device used for heating [[food]]. Unlike a [[toaster]], it works by irradiating food with [[electromagnetic radiation]] whose [[wavelength]] is long enough to penetrate the surface. Thus the food is heated evenly.  

[[Category:Technology]]

[[Category:Electronics]][[Category:Domestic Life]]