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If Your AC Unit is Making Any of These Noises, Get It Checked Out

Air conditioners can and do make noises, and while some are completely normal and benign, others may signify a more substantial problem. If your...

on Jul 13, 2018

Four Biggest TV Reception Problems That are Best Left to Antenna Specialists

Nothing is more relaxing than sitting on the couch and watching your favourite TV shows or movies at the end of a tiring day at work.

on Jul 13, 2018

Different Drywall Types and Fire Safety

There are soundproof, moisture resistant, fire-resistant and other drywall types. Check here what you need to know about drywall and fire safety....

on Jul 12, 2018

Are Decks a Good Investment?

The presence of outdoor decking always influences the resale value of the home. The question is whether this is an exterior home improvement worth...

on Jul 12, 2018

Why You Need to Hire a Licensed and Insured Sandblasting Contractor

Trusting sandblasting to a licensed & insured contractor is another way of saying that you will be relying on a measure twice, cut once type of...

on Jul 11, 2018

How Microwaves Work

by Guest on Feb 27, 2010

Created by a magnetron electron tube, microwaves heat food to a depth of one inch. As the heat is conducted inward the rest of the food is cooked. Microwaves bounce around inside the cavity of the oven and are eventually absorbed by the food, causing molecules in the food to vibrate producing heat through friction. Popcorn has moisture in the center of the kernel, an efficient microwave absorber. As the water molecules vibrate and heat the kernel erupts and turns inside out. Water is believed to be the best absorber of microwaves; therefore foods with higher moisture content will cook quicker than those of lower moisture content.

Over the years I have heard people speak of the dangers of microwave radiation. Popping corn was probably more dangerous than the modern microwave, especially when a small piece of wood containing super heated moisture popped into your lap burning a hole in your clothing. The radiation produced by your microwave oven is similar to that produced by a TV, radio or cell phone, which is referred to as non-ionizing radiation.

It is important to keep your microwave cavity clean to prevent damage to the cavity. Microwaves bounce off the clean walls of your cavity, leaving you walls cool to the touch. Burned on foods can cause localized heat build up that could damage your microwave interior. However, microwave parts are easy to find in the case you need to repair your microwave.

Appliance / Repair 2750 Views

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