Review: Digital Stethoscope by ThinkLabs

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.

The Best Rated 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 outdoor speakers are best suited …

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. So, in order for us …