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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

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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.

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