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5 Weight-bearing Exercises for Retirees
health.howstuffworks.com/wellness/aging/retirement/5-weight-bearing-exercises-for-retirees.htm
These weight-bearing exercises for retirees aren't too hard to do, and some are even fun. Learn about 5 weight-bearing exercises for retirees.
How Do Boats Float? A Look at How Boats Made of Steel Float
science.howstuffworks.com/science-vs-myth/everyday-myths/question254.htm
Displacement of water is what allows a boat to float on the water, but how does it work? Find out how displacement allows a steel boat to float in water.
How Liquid Motion Lamps Work
home.howstuffworks.com/lava-lamp.htm
The liquid motion lamp has been a pop-culture icon since the 1960s. Learn about the history of liquid motion lamps and see a video explaining their composition.
If you were to move all of the matter in the universe into one corner, how much space would it take up?
science.howstuffworks.com/dictionary/astronomy-terms/question221.htm
If you took all of the matter in the universe and you pushed it all into one corner, how much space would it take up? I am trying to understand how much of the universe is 'empty.'
How Maps Work
science.howstuffworks.com/environmental/earth/geophysics/map.htm
A map is a type of language, a graphic way of representing information, whether it's to show population density or tell you how to get from Point A to Point B. Here's how they're made.
Tungsten's Boiling Point Is 10,030 F and Other Crazy Facts
science.howstuffworks.com/tungsten.htm
Tungsten's hardness and heat resistance make it a must for products like rocket engine nozzles, armor-piercing bullets and even the humble light bulb filament. In fact, pure tungsten boils at 10,030 F, the same as the photosphere of the sun.
How Do Lava Lamps Work? The Science Behind Liquid Motion
science.howstuffworks.com/innovation/science-questions/how-does-lava-lamp-work.htm
You've seen them. Those iconic, mesmerizing liquid sculptures that dance inside a glass bottle, casting a warm and nostalgic glow. Yes, we're talking about the lava lamp. But, how do lava lamps work?
The Ultimate Moon Quiz
play.howstuffworks.com/quiz/moon-quiz
Wolves supposedly howl at it, a fairy tale claims a cow once jumped over it and legends say if you look hard enough, there's a man in it. Yes, the moon has a prominent place in popular culture, but there's a lot you might not know about Earth's little orbiting friend. Why doesn't it have soil? Why is its gravity so important? And are we really thinking of going back soon?
Science Projects for Kids: States of Matter
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-states-of-matter.htm
Science projects for kids on states of matter show how liquids, solids, and gases are related. Learn about surface tension and changing states.
Physics and Football: How Denver's Altitude Affects Field Goals
entertainment.howstuffworks.com/physics-and-football-denvers-altitude-affect-field-goals.htm
Three of the NFL's longest field goals were kicked in Denver's Mile High Stadium. HowStuffWorks breaks down the physics behind the phenomenon.