Search Results | inventions
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How to Make Money as a Kid
money.howstuffworks.com/personal-finance/budgeting/make-money-kid.htm
How can a kid make money today? Learn how to make money as a kid at HowStuffWorks.
Why Do Most Zippers Say "YKK" on the Pull-tab?
home.howstuffworks.com/home-improvement/household-hints-tips/cleaning-organizing/question469.htm
Zippers are found on so many products. But have you ever noticed that "YKK" is on the pull-tab of most zippers? Find out where these mysterious initials come from.
How does a speedometer in an airplane work?
science.howstuffworks.com/transport/flight/modern/question597.htm
How does a speedometer in an airplane work?
What exactly is a blueprint?
science.howstuffworks.com/engineering/architecture/question321.htm
If you've ever seen a construction site, you may have noticed that the general plans for construction are drawn out in the form of blueprints. What exactly are blueprints, though, and how are they made? Find out in this article.
How Zero Works
science.howstuffworks.com/math-concepts/zero.htm
You use the number zero all the time, but it may surprise you to learn that it sometimes isn't a number at all. It may surprise you even more to learn that it was all but invented. See what else surprises you about zero in this article.
The Easiest Font to Read Is Already on Your Phone
electronics.howstuffworks.com/everyday-tech/easiest-font-to-read.htm
When it comes to typing a message, font choice can sometimes add a creative touch to your work, but for mass media formats like newspapers, academic papers, TV and popular web sites, sticking to a legible font is often more important than the flourish of decorative fonts.
Did French kissing start in France?
French kissing appears in the Kama Sutra circa the third century. So did French kissing start in France or somewhere else? Find out.
True or False: Trucks Edition
play.howstuffworks.com/quiz/true-or-false-trucks-edition
Trucks are a popular type of vehicle that are used to store and transport a variety of cargo. Think you know everything there is to know about these high-powered vehicles? Try this quiz now to see if you can score a 100%!
What's Your World History IQ?
play.howstuffworks.com/quiz/whats-your-world-history-iq
The history of the world is full drama, romance, heroes and villains, but how well do you know it? Put your knowledge to the test with this HowStuffWorks quiz!
How Refrigerators Work
home.howstuffworks.com/refrigerator.htm
Without the refrigerator, you'd be salting your meat, tossing leftovers and drinking everything warm. Examine the inner workings of this food-preservation icon.