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Best Omnidirectional Outdoor Speakers

by Justin Thomas •

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A recent Reactual post profiled four of the top directional outdoor speakers, which are an excellent choice for a defined area like a small deck or patio. But if you have a large yard or an open outdoor space like a pool, managing volume levels and sound coverage from a pair of directional speakers is tough. Enter the “omnidirectional” speaker, …

Review: Digital Stethoscope by ThinkLabs

by Justin Thomas •

Digital Stethoscope

I’ve been testing this Digital Stethoscope by Thinklabs. Unlike most digital stethoscope, this one has an audio out port, which allows you to connect it to a computer or MP3 recording device.

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The Best Rated Outdoor Speakers

by Justin Thomas •

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When warm evenings beckon you outdoors, who says you need to leave your music in the house? Outdoor speakers let you bring your sounds with you, and you can enjoy high-quality audio with the convenience of a built-in system. We present here the four of the top rated directional outdoor speakers on the market. These outdoor speakers are best suited …

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Below 20 Hertz: The Rumbling Realm Of Infrasound

by Justin Thomas •

Artwork by Andy Gilmore

Infrasound is the realm of sounds in the frequency range of 20 Hz down to 0.001 Hz. According to Harry F. Olson in his book Maths, Physics and Engineering: 20 Hz is considered the normal low frequency limit of human hearing. The lower the frequency of sound, the more difficult it us for human to hear it. So, in order for us …

Is There A Real Difference Between MP3s and CD-Quality Sound?

by Justin Thomas •

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Since their appearance on the internet in 1994, MP3 files have made music much easier to transfer around the world. Because MP3 files are compressed, their file size is typically ten times smaller than the original, uncompressed audio file. This means quicker downloads, and the ability to store more music on an iPod. However, because MP3 files are compressed, the …