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Frequency Formula Basics: 2 Ways to Calculate Frequency
science.howstuffworks.com/math-concepts/frequency-formula.htm
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.
The 1973 Missouri UFO Sighting
science.howstuffworks.com/space/aliens-ufos/1973-missouri-ufo.htm
The 1973 Missouri UFO brought James Richard out of bed and to his window, where he saw the UFO hovering in the trees outside. Learn about the 1973 Missouri UFO sighting.
How Glassblowing Works
entertainment.howstuffworks.com/arts/artwork/glassblowing.htm
Glassblowing may seem like a fairly recent art form, but it's really been around since the Roman Empire. Read more about glassblowing.
Can You Identify the iPhone Generation From an Image?
play.howstuffworks.com/quiz/can-you-identify-the-iphone-generation-from-an-image
Calling all cultists ... of the Apple variety, that is! How much do you really know about your favorite tech brand? From the original to the 11, we've got all the models covered here. See how many you can identify!
Uranus: The Ice Giant on a Tilted Axis
science.howstuffworks.com/46008-uranus-explained.htm
Uranus is the seventh planet from the sun and sits on an axial plane tilted at a jaw-dropping 97.7-degree angle. And yes, Uranus does actually stink.
Can You Pass This Disney Princess Trivia Quiz?
play.howstuffworks.com/quiz/can-you-pass-this-disney-princess-trivia-quiz
Don't have time for dancin'? You might have time to take this quiz. If you can name the only Disney Princess with tattoos, you'll have no trouble acing it, but only true Disney fans will pass this one.
5 Easy Ways to Change Your Look
lifestyle.howstuffworks.com/style/fashion/trends-looks/5-easy-ways-to-change-your-look.htm
There are some easy ways to change your look without spending a ton of cash. See five easy ways to change your look to get started.
1988 Peugeot Oxia Concept Car
auto.howstuffworks.com/1988-peugeot-oxia-concept-car.htm
The otherworldly 1988 Peugeot Oxia concept car took its name from a region on Mars. See pictures and a profile of the 1988 Peugeot Oxia concept car.
Mako Shark Pups Feed on Unfertilized Eggs Before They're Born
animals.howstuffworks.com/fish/sharks/mako-shark.htm
If the ocean had a drag race, the mako shark would leave the competition in its bubbly wake.
Chrysanthemum
home.howstuffworks.com/chrysanthemum.htm
Chrysanthemums are a type of annual flower. Learn about growing, propagating, and using chrysanthemum at HowStuffWorks.