The Top Rated Portable Noise Canceling Headphones of 2011

The Best Portable Noise Canceling Headphones [Read More]

The Best Rated Outdoor Speakers

Polk Audio Atrium 45 Outdoor Speakers

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 […]

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Below 20 Hertz: The Rumbling Realm Of Infrasound

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. […]

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