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How Light Bulbs Work
home.howstuffworks.com/light-bulb.htm
The light bulb hasn't changed a whole lot in its 120 years -- the original design was just that good. Apparently, you can throw together a filament, a glass mount, an inert gas and a bit of electricity and change the world. Learn what happens when yo
How does the NFL salary cap work?
entertainment.howstuffworks.com/question644.htm
With the recent NFL draft, players are now negotiating contracts. How does the NFL's salary cap work?
How Cruise Control Systems Work
auto.howstuffworks.com/cruise-control.htm
Cruise control is already an amazing system, and it's evolving into something a lot more powerful. Learn how cruise control works and check out some of the adaptive systems in development.
How Artificial Vision Will Work
science.howstuffworks.com/innovation/everyday-innovations/artificial-vision.htm
There was once no cure for blindness, but artificial vision systems implanted directly on the retina may restore sight. Is a silicon microchip the answer to combating retinal disease?
What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
How Flex Funds Work
money.howstuffworks.com/personal-finance/budgeting/flex-funds.htm
Flex funds allow people to save money on health expenses. Read more about flex funds and how you can get started saving at HowStuffWorks.
Can You Really Use Vegetable Oil to Fuel Your Car?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/vegetable-oil-fuel.htm
Could vegetable oil really become commonplace as a fuel? While it certainly is an option for some engines, vegetable oil is a long way from being the fuel alternative of the future.
What are the dangers of hydrogen-powered vehicles?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-vehicle-danger.htm
What are some of the chemical dangers that might be associated with hydrogen-powered vehicles? Read about the hydrogen-powered vehicle dangers.
Is ethanol really more eco-friendly than gas?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/ethanol-facts.htm
Ethanol facts help sort out which is better, ethanol or gas? Learn about ethanol facts, and find out if ethanol is more eco-friendly than gas.
How A Fetus Grows
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fetal-development/how-a-fetus-grows.htm
The fetus grows from an embryo into a baby ready for birth. Read how a fetus grows