Search Results | environment
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What is a gimbal -- and what does it have to do with NASA?
science.howstuffworks.com/gimbal.htm
What is a gimbal -- and what does it have to do with NASA? Gimbals help ships and space ships stay correctly oriented. Find out what is a gimbal.
Do wind turbines kill birds?
science.howstuffworks.com/environmental/green-science/wind-turbine-kill-birds.htm
While some wind turbines kill birds, newer models are being built to reduce bird mortality. Learn why some wind turbines kill birds.
What's the difference between high fidelity and high definition?
electronics.howstuffworks.com/high-fidelity-high-definition.htm
What's the difference between high fidelity and high definition? Can you tell? Learn what high fidelity and high definition audio are all about.
What are the best video games that were never made?
electronics.howstuffworks.com/best-games-never-made.htm
The best video games never made is a debate because of the number of great ideas that routinely get canceled. Check out the best video games never made.
5 Ways Hybrid Battery Packs are Being Improved
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/5-hybrid-battery-pack-improvements.htm
Could hybrid battery pack improvements hasten the popularity of eco-friendly cars? Read our list of 5 recent hybrid battery pack improvements for details.
Voltage Production: How Long Do Hybrid Batteries Last?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/hybrid-car-voltage.htm
How dangerous is hybrid car voltage? Learn how battery packs and high voltage sticks work and what hybrid car voltage can do in an accident.
Do cows pollute as much as cars?
animals.howstuffworks.com/mammals/methane-cow.htm
Cow flatulence produces the greenhouse gas methane, which is linked to global warming. Find out how scientists are working to reduce cow flatulence in livestock.
How the Doomsday Ark Works
science.howstuffworks.com/doomsday-ark.htm
If the Earth is struck by calamity, will survivors find salvation in the proposed Doomsday Ark? The lunar-based vault will contain information that could help jumpstart a new civilization.
Is there a way to get energy for free?
science.howstuffworks.com/environmental/green-science/free-energy.htm
You've likely schemed ways to get energy for free, especially with energy costs rising. Is there a good way to get energy for free, or is it hooey?
How Diesel Engines Work
auto.howstuffworks.com/diesel.htm
Diesel engines are often more efficient and less expensive to operate than their gasoline alternatives. So why aren't there more diesels on the roads? Well, they have their own issues, too.