Thursday, 24 February 2011

Solarville® Home

!: WooW Solarville® Home

Break away from traditional building and living habits to achieve a sustainable, energy saving home. Sustainability is paying attention to resources and long-term energy useage. Solarville® floor, wall, heating and cooling options use fewer resources and save you money. Solarville® 1, 2 and 3-bedroom homes are made of steel components which are strong and recyclable. Solarville®—the home with the basement in the attic. Benefits Include: minimal site disturbance on a flat or hillside lot condition; economical — less digging, less labor, less construction emissions, less noise and less dust; above ground completely eliminates radon gas trapping; no basement equals no wall cracks, no flooding problems, no dampness, no hidden mold (nothing to grow on), no radon; no rot, decay or termites due to Solarville® galvanized foundation system.

Solarville® Home

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Saturday, 19 February 2011

Homemade Geiger Counter with Thorium coated Lantern Mantle

!±8± Homemade Geiger Counter with Thorium coated Lantern Mantle

My german army model sv500 geiger counter (really good for more powerful radiation sources) and my homemade geiger counter with digital counter (atmega8+lcd) are measuring the activity of a thorium coated lantern mantle. the mantle is stored in a duct-tape sealed ziplock bag, and a epoxy and tape sealed red bull energy shot bottle to prevent any radon gas emission. and you can also see my homemade lead shielding from rolled up lead foil, with an additional insert for more powerful radiation emitters such as pitchblende. overall lead thickness is 12mm, which effectively blocks all beta and gamma radiation from the mantle. even the plastic blocks some radiation, i get about 1mrad with my sv500, and before sealing the whole thing i got about 1,6mrad . my more sensitive homemade counter goes nuts, the overall tube volume is far far greater compared to the tiny sv500 counter tube.

Homemade Geiger Counter with Thorium coated Lantern Mantle

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