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What is a digital signature?
computer.howstuffworks.com/digital-signature.htm
Digital signatures make sure the documents you send electronically are authentic. Learn about digital signatures and other authentication methods.
Photography Terms: What You Need to Know
electronics.howstuffworks.com/cameras-photography/tips/10-important-photography-terms.htm
Even the best camera needs a good photographer to capture the best images possible. No matter your skill level, you still need to know the basic photography terms and tenets. Here are 10 of the most important ones.
Turning Air Pollution Into Ink
science.howstuffworks.com/innovation/new-inventions/air-pollution-into-ink.htm
HowStuffWorks explores AIR-INK, the result of a process that converts air pollution into ink.
1967 Oldsmobile Cutlass 4-4-2 W-30
musclecars.howstuffworks.com/classic-muscle-cars/1967-oldsmobile-cutlass-4-4-2-w-30.htm
The 1967 Oldsmobile Cutlass 4-4-2 W-30 was the king of muscle car cool. Find out why, and see photos and specifications of this classic muscle car.
How Many Muscles Does It Take to Smile?
science.howstuffworks.com/life/inside-the-mind/emotions/muscles-smile.htm
The authors of chain emails often tell you to smile more, with the added claim that it takes more muscles to frown. Ever questioned this piece of wisdom? We have an answer for you.
Will buying a hybrid really pay off?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/buying-hybrid-pay-off.htm
Will buying a hybrid really pay off? Find out if buying a hybrid will really pay off at HowStuffWorks.
How the Ironman Works
entertainment.howstuffworks.com/ironman.htm
The Ironman is a multisport trial. The triathlon has replaced the marathon as the greatest test of endurance. Learn what it takes to be an Ironman.
How to Organize Recipes
Organizing recipes can make mealtime simpler. Visit HowStuffWorks to learn all about organizing recipes.
What Uses the Most Electricity in a Home?
science.howstuffworks.com/environmental/green-tech/sustainable/5-energy-hungry-appliances.htm
Sure, your hair dryer or toaster sucks up a lot of kilowatt-hours during the short time it's on, but what are the truly big drains on your home energy budget?
What If Mosquitoes Went Extinct?
science.howstuffworks.com/science-vs-myth/what-if/what-if-mosquitoes-went-extinct.htm
Imagine going outside in the summer and not being eaten alive by mosquitoes. Yeah, no mosquitoes! Well, don't celebrate just yet, because a world with no mosquitoes might have a radically different food chain.