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From the monthly archives:

July 2009

How To Build A Deep Bass System For $750

July 23, 2009

In this article I will describe how to build a high-fidelity, bass-intensive sound system for under $1000. The secret ingredient of the system is the use of tactile transducers. These transducers effectively eliminate the need for expensive woofers or subwoofers. It’s an efficient method of producing deep, high-fidelity bass for a fraction of the usual cost. Many [...]

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The Best Noise Cancelling Stereo Headphones

July 14, 2009

Stereo headphones with active noise cancellation technology let travelers hear their music with greater clarity and less ear fatigue. These headphones are useful for those who want to seal out their surroundings, since noise cancellation circuitry is especially effective at countering low-frequency tones (like crowd noise or engine noise on an airplane). Here [...]

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Updates From The MetaEfficient Kitchen Labs

July 5, 2009

This summer I’ve been working on food-related optimization projects, here are some updates:
I now have subscriptions with two local farmers (through a CSA or Community Support Agriculture). One farmer provides me with raw milk, raw butter and eggs, the other farmer provides vegetables and fruit. They both happen to deliver to same street in my neighborhood, so [...]

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Ozone Generators: Effectively Deodorize Rooms and Purify Water

July 4, 2009

One of the simplest and most inexpensive ways to purify water is to bubble ozone through it. Ozone is a molecule made of three oxygen atoms ( O3). It disinfects water very effectively, through a process called oxidation. Ozone ruptures the cellular structure of organisms, killing them. It also oxides toxic organic chemicals, minerals and [...]

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