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Innovation

Do you know how common everyday items, such as mirrors, fireworks or sunglasses work? This collection of Innovation articles explores the workings of objects you may come into contact with on a regular basis.

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How does silk-screening work?

I'm having T-shirts printed, and the people at the shop keep talking about "silk-screening." How does silk-screening work?

What is a nautical mile, and how does it differ from a normal mile and a kilometer?

A nautical mile is used for navigation at sea. It is a unit of measurement that is based on the circumference of the Earth. How does it relate to a standard mile and a kilometer? Find out in this article.

Why is there a small hole on the top of spray-can lids?

There is a can of Pam in my kitchen that has a small hole in the lid. Lots of other cans have this hole. Why?

How does Pop Rocks candy work?

There's a candy called 'Pop Rocks.' When you put it in your mouth it makes a loud popping sound and it feels really weird! How do Pop Rocks work?

Why does hydrogen peroxide foam when you put it on a cut?

It certainly doesn’t bubble up at the drugstore, and it’s kind of a snooze if you pour it on skin that doesn’t have a cut on it. So, what is it about blood that makes hydrogen peroxide start foaming at the mouth?

Why does Alka Seltzer fizz?

Yesterday you talked about hydrogen peroxide, and the day before you talked about Pop Rocks candy. Since we are talking about things that fizz, what about Alka Seltzer? How does it work and why does it fizz?

How Bread Works

Crunchy crust, soft, spongy middle -- there's something about fresh-baked bread. Have you ever thought about bread as a technology? Learn about the biochemical reactions that make bread taste so good!

How Fats Work

Tired of hearing about things like monounsaturated fats, partially hydrogenated oils and trans fatty acids and not knowing a thing about any of them? Find out what you need to know here.

How Food Preservation Works

Because sustenance ensures our survival, food preservation is one of the oldest technologies developed by human beings. Find out what's being done to your food to make it last longer.

How Food Works

Ever wonder what, exactly, you are putting in your body when you eat? Would you like to know the real difference between a "fat" and a "carb"? Learn all about food and how your body uses it!

How Hair Coloring Works

Got a few grays? Just want a new look? Well, if you are like 75 percent of women, you're part of a billion dollar industry. Learn all about hair coloring and choosing the best color for you.

How Underground Pet Fences Work

Want to keep your dog out of the neighbor's yard but feeling guilty pulling out a leash? You might consider an underground or wireless pet fence. Learn how these fascinating systems work and why this specialized fencing industry is booming.

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