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How Does a Fresnel Lens Work? The Magic Behind the Glass
science.howstuffworks.com/question244.htm
I have a thin piece of plastic mounted on the back window of my RV. It magnifies things so I can see better when I'm backing up. How can such a thin piece of plastic magnify things? A regular glass magnifying lens would have to be curved on both sides and much thicker.
How does a time-of-use program with the power company work?
home.howstuffworks.com/question305.htm
Chances are your power company in your area advertises a "time-of-use" program. But what exactly does this mean and can you really save on your power bill by signing up for this type of service?
Inside a Vending Machine Image Gallery
electronics.howstuffworks.com/gadgets/other-gadgets/vending-machine-pictures.htm
These vending machine pictures take a look at the parts and mechanics of vending machines. See vending machine pictures to get started.
Fascinating Discovery Reveals How Cephalopod Eyes Detect Color
animals.howstuffworks.com/marine-life/cephalopod-eyes-colorblind-see-color.htm
It turns out cephalopods aren't colorblind. Learn more about how cephalopods see color in this HowStuffWorks Now article.
Endoplasmic Reticulum: Rough ER vs. Smooth ER
science.howstuffworks.com/life/cellular-microscopic/endoplasmic-reticulum.htm
The part of your cells that helps you recover from a hangover is shaped like a maze of tubes and is made of two parts - the rough endoplasmic reticulum and the smooth endoplasmic reticulum.
Sockeye vs. Atlantic Salmon: Flavor, Nutrition and Sustainability
animals.howstuffworks.com/fish/sockeye-vs-atlantic-salmon.htm
When it comes to salmon, not all fillets are created equal. The debate over sockeye vs. Atlantic salmon comes down to flavor, nutrition, habitat and how each fish is raised.
Does smog make for beautiful sunsets?
science.howstuffworks.com/environmental/green-science/smog-sunset.htm
Many people think that beautiful, blazing sunsets are one upside to living with the smog that hangs over polluted cities. Are they right? Does smog actually enhance sunsets?
The Lost Art of True Damascus Steel
science.howstuffworks.com/damascus-steel.htm
All steel is not the same, and Damascus steel has a reputation for being the best. But is today's Damascus steel the same as that forged centuries ago?
All Salt Is Not the Same
science.howstuffworks.com/innovation/edible-innovations/all-salt-is-not-same.htm
Salt is something most of us use without thinking about it. But with so many options available, how do we know what's best?
How to Calculate Modified AGI
Your modified adjusted gross income helps the IRS decide how much of your IRA contributions you can deduct. See how to calculate modified AGI.