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How Autofocus Cameras Work
electronics.howstuffworks.com/autofocus.htm
Ever wonder how your camera knows what you're looking at? Understand how autofocus cameras lock on to the object you're photographing!
What Is a Metronome and How Does It Work?
electronics.howstuffworks.com/gadgets/audio-music/metronome.htm
Metronomes are devices that provide a steady beat for practicing or playing music. Learn about the types of metronomes and how metronomes work.
How Movie Projectors Work
entertainment.howstuffworks.com/movie-projector.htm
When you see a movie in the theater, do you notice the projector? Without it, you'd be staring at a blank screen. Enter the projection booth and learn what it takes to show a movie.
Where Did the NATO Phonetic Alphabet Come From?
people.howstuffworks.com/phonetic-alphabet.htm
You've surely heard it in the movies even if you've never used it. So who came up with the phonetic alphabet and why is it used?
Lift or Drag? The Physics of Flight Quiz
play.howstuffworks.com/quiz/physics-of-flight-quiz
Long before the Wright brothers guided their fixed-wing aircraft over the North Carolina dunes, daredevils and engineers worked to decode the secrets of sustained heavier-than-air human flight. What do you know about the physics of flight?
How Music Sampling Works
entertainment.howstuffworks.com/music-sampling.htm
Music sampling takes an instrumental track from a classic song and reworks it into a new piece. Learn how music sampling works and the legal issues involved.
How are movies stored on DVD discs?
electronics.howstuffworks.com/question596.htm
How are movies stored on DVD discs? Learn about storage capacity, data compression and the Moving Picture Experts Group (MPEG).
The Origin of the iPhone Marimba Ringtone Is Shrouded in Mystery
electronics.howstuffworks.com/composer-origin-iphone-marimba-ringtone.htm
Who wrote the iPhone marimba ringtone? Learn more about the marimba ringtone's origins in this HowStuffWorks Now article.
Which American Accent Do You Have?
play.howstuffworks.com/quiz/which-american-accent-do-you-have
Is it "y'all," "you all," "you guys," or something completely different? Answer questions about your personality and verbal preferences and we'll tell you what kind of American tongue you speak.
The Top 30 Songs of Elvis Presley
entertainment.howstuffworks.com/the-top-30-songs-of-elvis-presley.htm
Elvis Presley is rightly known as "The King of Rock 'n' Roll." But what were his top 30 songs? Our list includes "Love Me Tender," "Hound Dog" and "Heartbreak Hotel."