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A Sound Education

Thnkgs That Go Bump In the Night

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The Golden Age for horror films was the 1930s, and not coincidentally when movies with sound began. Read More...

SOFAR So Good

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As terrible as war is, it often brings scientific discoveries to the masses in peacetime. One such discovery from World War II is the Sound Fixing and Ranging channel, or SOFAR channel for short. It's not a TV channel, but an ocean channel. In 1944, geophysicist Maurice Ewing discovered a hidden horizontal oceanic layer about 1,000 meters (3,300 feet) deep under the ocean's surface. It's sandwiched between warm, less salty and lighter upper waters, and cooler, more salty denser lower waters. What's unique about this layer is its ability to trap sound waves and channel them over vast distances.

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Is the Wax Cylinder the Next Big Thing?

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If we look back over the last 140 years of sound recording, it seems that formats come and formats...come back. I've written many times in these newsletters about nearly dead technologies that seemingly get resurrected out of nowhere, such as the vinyl record, the cassette, and AM radio. The younger generations are partly responsible for breathing new life into these old formats, but most stand on their own merits. Read More...

Sound Farming

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Today's farm is not at all like your grandfather's farm. It's a high-stakes business for farmers who expect high-yields. And what's driving up those yields? Technology. Since the Newcomen steam engine of the late 1700s, the agriculture industry has been progressively adopting new technology and science to feed the world. And now high-tech farming is getting even more high-tech. Farmers are using exciting new sound technologies and practices to coax more out of their crops, keep their livestock happy, and keep themselves safe. Read More...

What's New in '22!

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PART I

The year '22 ushers in an exciting new technology. Here's what has been said about it:

"The newspaper that comes through your walls."

"Anyone with common sense can readily grasp the elementary principles and begin receiving at once."

"It will become as necessary as transportation. It will be communication personalized. There will be no limit to its use."

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