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The Mental Math Quiz
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If you love math and calculating numbers in your head, you'll love taking this mental math quiz! With 35 math questions that consist of square roots, division, multiplication, word problems and more, we're putting your math skills to the test!
How Dimmer Switches Work
home.howstuffworks.com/dimmer-switch.htm
A regular light switch takes care of off and on. A dimmer switch handles off, on and everything in between. Find out what this clever switch does with electrical current.
How Belly Tank Racers Work
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The belly tank racer is one of hot rodding's most iconic contraptions. Learn how belly tank racers work.
10 Steps to Do Your Own Pedicure
health.howstuffworks.com/skin-care/nail-care/tips/10-steps-to-do-your-own-pedicure.htm
Salon pedicures can be expensive. Learn how to do your own pedicure with these 10 easy steps.
How Opposed Piston Opposed Cylinder (OPOC) Engines Work
auto.howstuffworks.com/opposed-piston-opposed-cylinder-engine.htm
What are the advantages and disadvantages of opposed piston opposed cylinder engines? Read about OPOC engines at HowStuffWorks.
10 Questions to Ask Before Buying Car Insurance
What do you need to know before you buying insurance for your vehicle? Check out 10 questions to ask before buying car insurance.
The Singularity by 2045, Plus 6 Other Ray Kurzweil Predictions
electronics.howstuffworks.com/future-tech/singularity-2045-ray-kurzweil-predictions.htm
Ray Kurzweil predicts that the singularity (artificial intelligence surpassing human intelligence) will happen by 2045. Learn more at HowStuffWorks.
How do spray bottles pump fluid?
home.howstuffworks.com/question673.htm
How do spray bottles (like the ones used for cleaning products) pump fluid? Why do you have to pump them a couple of times before they start spraying?
How Mug Warmers Work
electronics.howstuffworks.com/gadgets/kitchen/mug-warmers.htm
Mug warmers are great kitchen gadgets to have in the house. Learn more about mug warmers at HowStuffWorks.
How to Develop a Child's Palate
recipes.howstuffworks.com/menus/how-to-develop-a-childs-palate.htm
Are you wondering the mysteries behind how to develop a child's palate? Check out this article to learn how to develop a child's palate.