Search Results | Electricity
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What's the energy efficiency ratio for hydrogen fuel cells?
What's the energy efficiency ratio for hydrogen fuel cells? Keep reading to learn about the energy efficiency ratio for hydrogen fuel cells.
Ridiculous History: The Time We Erased One of the World's Biggest Waterfalls
history.howstuffworks.com/historical-events/ridiculous-history-guaira-falls.htm
Guairá Falls between Paraguay and Brazil was one of the world's most awe-inspiring, but was erased by Itaipu Dam. Read this HowStuffWorks Now article.
How the Graphene Blood Pressure Tattoo Will Change Monitoring
Continuous monitoring of blood pressure instead of the static reading of the cuff is a medical holy grail; the graphene tattoo will provide it.
How Elevators Work
science.howstuffworks.com/transport/engines-equipment/elevator.htm
In action movies, elevators regularly plummet to the basement, landing in a spectacular ball of fire. Is this possible? There are some sophisticated engineering techniques at work behind every elevator ride you take.
How Metal Detectors Work
electronics.howstuffworks.com/gadgets/other-gadgets/metal-detector.htm
Metal detectors can help you find metal buried deep in the ground. Find out how metal detectors work and learn about the different types of metal detectors.
How LCDs Work
electronics.howstuffworks.com/lcd.htm
Learn about LCD technology, get LCD buying tips, read LCD reviews and compare prices and features on popular LCD models.
How Muscles Work
health.howstuffworks.com/human-body/systems/musculoskeletal/muscle.htm
Muscles are your body's engine, and you couldn't do anything without them. Learn about skeletal muscle, smooth muscle, and cardiac muscle and how muscle contraction works.
How CO2 Scrubbing Works
science.howstuffworks.com/environmental/green-science/co2-scrubbing.htm
CO2 scrubbing is one potential solution to reducing our emissions of carbon dioxide. Learn about CO2 scrubbing and find out what the most common processes are.
How to Save Money on Home Energy
home.howstuffworks.com/green-living/how-to-save-money-on-home-efficiency.htm
When you upgrade your heating and cooling equipment, major appliances, and windows, you are investing in energy efficiency. Learn more.
If I Have a Gas Leak in My Home, Will I Die?
home.howstuffworks.com/home-improvement/household-safety/gas-leak-home.htm
A gas leak is not a good thing. There's a reason it has that awful odor -- to warn you of danger. Learn more about the dangers of a gas leak.