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The Evolution of Dictaphones: A Comprehensive History
science.howstuffworks.com/innovation/inventions/dictaphone.htm
The Revolutionary Recording Device That Changed the Way We Work - Dictaphone. Learn about the history, design, and benefits of dictaphone.
Who Invented It? The Famous Inventors Quiz
play.howstuffworks.com/quiz/who-invented-it-famous-inventors-quiz
Think you can pass our famous inventors quiz? Test your knowledge to see if you know the minds behind the innovations.
Who Made It? The Inventions Quiz
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Many people take modern conveniences like TV and toilets for granted, but have you ever wondered about the people who came up with these important inventions? Take our quiz to test your knowledge!
How Telephones Work
www.howstuffworks.com/telephone.htm
Telephones are one of the most important and useful modern inventions. Learn about telephone operation, creating a telephone network and tones and bandwidth.
What exactly is dyslexia?
health.howstuffworks.com/mental-health/neurological-conditions/question666.htm
Dyslexia is a learning disorder that makes reading difficult or nearly impossible for some. Learn how dyslexia affect the brain.
Can You Pass This High School General Science Quiz?
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Although not always a favorite subject, most people take at least one general science class in high school. Take this quiz to find out how much you remember.
Can You Pass an 11th Grade US History Quiz?
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If you're in 11th grade or you just remember 11th-grade history, here's the perfect quiz to see how much information you've retained from class. Take it and find out!
Can You Get More Than 29/35 on This Tricky General Knowledge Quiz?
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Put your brain into gear as you attempt our wickedly difficult general knowledge quiz. A wide range of subjects are covered, so get set to put your knowledge to the ultimate test!
Can You Pass This Difficult General Knowledge Test?
play.howstuffworks.com/quiz/can-you-pass-this-difficult-general-knowledge-test
Throughout our lives, we all learn a few facts that stick with us no matter how long we live. Do you think you know everything there is to know about all types of subjects? Then it's time to show your stuff by taking this quiz!