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Some Butterflies Hear Through Their Wings
animals.howstuffworks.com/insects/some-butterflies-hear-through-wings.htm
Structures in some butterflies' wings are actually part of their ears. HowwStuffWorks looks at the hearing of butterflies.
Have You Noticed That Your Car Makes Noise in Reverse?
auto.howstuffworks.com/question522.htm
Manual transmissions use mostly helical gears, but reverse is a special situation that requires a different type of gear -- a spur gear. Learn why a spur gear makes a loud whirring noise when the car's in reverse.
How Music Licensing Works
entertainment.howstuffworks.com/music-licensing.htm
Music licensing is something that happens constantly. The music you hear on the radio, in a restaurant or in a department store is all licensed. Find out when and why we have to pay to play.
How Tape Recorders Work
electronics.howstuffworks.com/gadgets/audio-music/cassette.htm
Magnetic recording is the backbone of the electronics revolution. Learn how this analog technology lets you store and erase data!
How Content-recognition Software Works
computer.howstuffworks.com/content-recognition.htm
Content recognition software is used to help prevent copyright infringement. Learn about the development and uses of content recognition software.
How do sharks see, smell and hear?
animals.howstuffworks.com/fish/sharks/shark-senses.htm
A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.
How Does Noise Cancelling Work
electronics.howstuffworks.com/gadgets/audio-music/noise-canceling-headset.htm
Noise-canceling headsets help drown out external noise so you can hear your calls clearly. Learn about the technology behind noise-canceling headsets.
Emily & Lakisha 10 Years On: Are Employers Still Biased About Applicants' Names?
new study on names and employment discrimination finds that the old biases may no longer be there. HowStuffWorks Now examines why.
Spotify Playlists Have Gone to the Dogs ... and Cats ... and Hamsters
animals.howstuffworks.com/animal-facts/spotify-pet-playlists.htm
Spotify now has custom playlists for your furry friends (and your favorite iguanas, too). HowStuffWorks gets on board with this 'pawfect' idea.
Hypersonic Speed Explained: How Hypersonic Planes Work
science.howstuffworks.com/transport/flight/modern/hypersonic-plane.htm
Higher, farther, faster: NASA's X-43A plane is destined to set new speed records. What sets the X-43A apart from other rocket-powered aircraft is that it is powered by a scramjet engine. Learn all about it.