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How to Clean Retainers for Optimal Oral Health
health.howstuffworks.com/wellness/oral-care/how-to-clean-retainers.htm
Maintaining clean retainers is an essential part of oral hygiene, ensuring dental health and a beautiful smile. Whether you have permanent or removable retainers, it's important to understand how to clean retainers properly to avoid plaque buildup and harmful bacteria.
How Samurai Work
people.howstuffworks.com/samurai.htm
The legend of the samurai continues to permeate our culture, with countless movies and TV shows dedicated to the subject. How much of what we know about the samurai is truth and how much is myth?
How Skyscrapers Work
science.howstuffworks.com/engineering/structural/skyscraper.htm
People build skyscrapers primarily because they are convenient -- you can create a lot of real estate out of a relatively small ground area. They're also awe-inspiring. Skyscrapers capture our imagination -- how high can we build them? Learn about the architecture and design of these monumental buildings.
How Car Dashboard Displays Work
electronics.howstuffworks.com/gadgets/automotive/dashboard-display.htm
Dashboard displays are about both style and functionality. Learn what dashboard displays tell us and about the dashboard's origins in the carriage days.
How Ballpoint Pens Work
home.howstuffworks.com/pen.htm
Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.
How Dieselpunk Works
people.howstuffworks.com/dieselpunk.htm
The dieselpunk subgenre of speculative fiction looks at a world that could have been. Learn about the dieselpunk style and where dieselpunk gets its inspiration.
How the Voynich Manuscript Works
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/voynich-manuscript.htm
It's a massive book that no one can read, and it has fascinated scientists, historians and cryptographers for decades. Is it a textbook, an encyclopedia ... or an elaborate hoax?
How Math Works
science.howstuffworks.com/math-concepts/math.htm
A world without math is unimaginable. It's a part of who we are. It's the analytical juice of our left brain. In the words of physicist Richard Feynman, even a fool can use it. So why do so many of us turn our backs on numbers?
Crafty Wartime Spies Put Codes Right Into Their Knitting
history.howstuffworks.com/world-war-ii/spies-codes-knitting.htm
Knitting socks and hats for 'our troops' was a time-honored tradition during wartime. But spies found a way to use that innocent pastime to transmit vital information.
9 Types of Angels
people.howstuffworks.com/9-types-of-angels.htm
There are many types of angels that make up the spiritual world. Angels are divided into nine different types within three main groups, which are then called choirs. Find out more about these angelic intermediaries for God.