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How the Manhattan Project Worked
science.howstuffworks.com/manhattan-project.htm
The Manhattan Project was the code name used for the secret plan to develop nuclear weapons by the United States. Learn more about the Manhattan Project.
How Crash Testing Works
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/crash-test.htm
Automotive crash testing has saved thousands of lives by making cars safer. Learn about the tests, the ratings and how the dummies tell engineers what happens in an accident.
If I Plant Trees in My Yard, Will It Offset Global Warming?
home.howstuffworks.com/gardening/garden-design/global-warming-plant-trees.htm
If you plant trees in your yard, will it really help the planet? Find out how much carbon dioxide a tree absorbs and why you should plant trees.
How Exhaust Heat Recovery and Recirculation Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/exhaust-heat-recovery-recirculation.htm
Exhaust heat recovery and recirculation technologies are made to maximize the efficiency of a vehicle's exhaust. Read about exhaust heat recovery on HowStuffWorks.
How Idle-stop Systems Work
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/idle-stop-system.htm
Idle-stop systems alleviate the fuel economy problems of sitting in traffic. Learn how idle-stop systems work and how common they are on new cars.
How Skylights Work
home.howstuffworks.com/home-improvement/construction/green/skylights.htm
Skylights make a big difference in the amount of light that enters a room and can add warmth in winter. Learn more about the advantages of skylights.
What Is the Greenhouse Effect? Is It Inherently Bad?
science.howstuffworks.com/environmental/green-science/question746.htm
We'd be up a creek without Earth's atmosphere and the greenhouse effect it provides, but it turns out that an overactive greenhouse effect can result in a similarly devastating outcome.
The Four of Swords: Finding Peace and Rest in Tarot
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/4-of-swords.htm
Feeling overwhelmed? The 4 of Swords tarot card offers a path to peace and introspection. Discover its meanings and how it can guide you to rejuvenation and clarity in your journey.
212 Angel Number: Spiritual Meaning, Numerology, and Life Guidance
entertainment.howstuffworks.com/horoscopes-astrology/212-angel-number.htm
Discover the hidden meaning behind Angel Number 212! Is the universe sending you a message about balance, intuition, and life changes? Find out how this powerful number could be guiding your destiny.
Gemini Traits: Exploring the Duality, Personality, and Compatibility of the Celestial Twins
entertainment.howstuffworks.com/horoscopes-astrology/gemini-traits.htm
Gemini traits: Discover the key traits of Gemini, including their adaptability, curiosity, and quick wit, which make them dynamic and versatile individuals.