Search Results | frequency
Your search for "frequency" returned 877 results
Understanding the Wavelength Formula and Its Applications
science.howstuffworks.com/math-concepts/wavelength-formula.htm
The wavelength formula is a fundamental concept in physics, particularly in the study of waves and electromagnetic radiation.
What's the Baader-Meinhof Phenomenon?
science.howstuffworks.com/life/inside-the-mind/human-brain/baader-meinhof-phenomenon.htm
Have you ever met someone with a unique first name, and then all of a sudden you hear the name everywhere you turn? That's the Baader-Meinhof phenomenon at work. How did it get that handle?
How Walkie-talkies Work
electronics.howstuffworks.com/walkie-talkies.htm
Walkie-talkies have been used for decades to communicate in situations where other options won't do the trick. Learn how walkie-talkies work.
Why is a cell phone called a cell phone?
electronics.howstuffworks.com/question582.htm
One of the most interesting things about a cell phone is that it is really a radio. Find out why cell phones are named as they are.
How Noise-canceling Headphones Work
electronics.howstuffworks.com/gadgets/audio-music/noise-canceling-headphone.htm
Noise-canceling headphones are designed to maximize your listening experience. Learn how noise-canceling headphones keep ambient noise out without sacrificing your music's sound quality.
How Ultrasound Works
science.howstuffworks.com/ultrasound.htm
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?
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.
How does the walkie-talkie feature on a Nextel phone work?
electronics.howstuffworks.com/question530.htm
Nextel phones offer a service that allows you to push a button and connect with another Nextel user. Find out how this "walkie-talkie" feature works.
How Light Works
science.howstuffworks.com/light.htm
Some of the brightest minds in history have focused their intellects on the subject of light. Einstein even tried to imagine riding on a beam of light. We won't get that crazy, but we will shine a light on everything scientists have found so far.
Brown Noise vs. White Noise: Which Is Best for Quality Sleep?
science.howstuffworks.com/pink-noise-brown-noise.htm
If you have trouble sleeping you might have been told to get a white noise machine. But white isn't the only color of noise out there.