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Systems thinking on the biohumanosphere.

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Sun Tunnels | Monte Burch at Extreme How To on DIY solar tubes

Extreme How-To has an excellent piece by Monte Burch on solar tubes – essentially skylights without straight lines:A Tunnel for the Sun | Extreme How To, DIY – Do it Yourself, Home Improvement, Home Decorating.

This entry was posted in Solar on January 30, 2009 by Jon.

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Why We Blog

Systems thinking on energy and environmental policy, public health, terrorism, social networks and risk. We believe these issues are all inextricably linked.

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Our "favicon," the small image which generally appears in the browser address bar or on tabs for a given site, is the International Code of Signals (ICS) flag which stands for both the letter "K" (KILO in the NATO alphabet), and for the message "I wish to communicate with you." Kilo - 'Communicate with me!'The same messages can be communicated by signalling the letter "K" in Morse code via signal lamp. (While a proper signal lamp may be ideal, a flashlight, probably best employing red LEDs, will certainly fit the bill).

RFCafe.com Edited by Kirk Blattenberger

Encyclopedic and accessible information about all matters electrical, electronic, and wireless.

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Our banner image was designed by the always-amazing, never-satisfied-with-her-own-work Randa Clay. Her work can also been seen and read at Solutions for WP, HomeSchool Hacks, and elsewhere.
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