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The Lifespan of Exterior House Painting and What Affects It

The lifespan of an exterior house painting could vary on many different factors. A long one is important for the full functionality of the painting...

on Oct 22, 2020

What You Need for a Bathroom Renovation

Bathroom renovations are a common home improvement project. Not only do they make your bathroom more enjoyable, and improve the look of your home,...

on Oct 20, 2020

Top 5 Tips for Choosing the Right Vinyl Siding

Choosing vinyl siding for your home may seem like an obvious choice. Vinyl siding is well-known for its longevity and ease of maintenance, not...

on Oct 19, 2020

When Does It Make Sense to Fix Your Coffee Machine?

Is your coffee maker acting up? When appliances start malfunctioning, it is often hard to know what to do. Should you try fixing the item yourself...

on Oct 14, 2020

How to Repair a Crack in Your Concrete Walkway

Even though concrete is one of the most durable materials, it can develop cracks. The major causes of concrete cracks are due to heavy loads on the...

on Oct 14, 2020

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 superheated 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 your 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 case you need to repair your microwave.

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