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How Calculators Work
electronics.howstuffworks.com/gadgets/other-gadgets/calculator.htm
Calculators may show up anywhere in our lives that numbers do -- from calculus class to restaurants. See how calculators work.
How Liquid Motion Lamps Work
home.howstuffworks.com/lava-lamp.htm
The liquid motion lamp has been a pop-culture icon since the 1960s. Learn about the history of liquid motion lamps and see a video explaining their composition.
How Cellular Electronic Payments Work
electronics.howstuffworks.com/cellular-electronic-payment.htm
Are you interested in learning how cellular electronic payments work? Check out HowStuffWorks for information on how cellular electronic payments work.
How Analog and Digital Recording Works
electronics.howstuffworks.com/analog-digital.htm
Learn about analog and digital recording and shop for related products.
How Thought-Controlled Wheelchairs Work
computer.howstuffworks.com/audeo.htm
Thought-controlled wheelchairs intercept signals from the brain using an ambient audeo system. Read more about how thought-controlled wheelchairs work.
How the PlayStation Portable Works
electronics.howstuffworks.com/psp.htm
The PlayStation Portable (PSP) has hit Japanese stores and is selling well. Its list of features includes wireless connectivity and a wide, high-resolution screen. See how it measures up.
How Mobile Credit Card Readers Work
money.howstuffworks.com/personal-finance/online-banking/mobile-credit-card-reader.htm
Mobile credit card readers are popping up just about everywhere. In this article by HowStuffWorks.com, learn how mobile credit card readers work.
How Nextbook Tablets Work
computer.howstuffworks.com/tablets/nextbook-tablets.htm
Nextbook tablets are another player in the tablet PC game. Check out Nextbook tablet features and see how they compare to other tablets on the market.
5 Products for Better Fuel Economy
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/5-products-better-fuel-economy.htm
Is it possible to improve your fuel efficiency? Keep reading to discover 5 Products for Better Fuel Economy.
How Vibration Speakers Work
electronics.howstuffworks.com/gadgets/audio-music/vibration-speakers.htm
Vibration speakers work with other surfaces to enhance sounds. Learn all about how vibration speakers work.