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July 12, 2011 Where not to place a chlorinator in a photo voltaic pool heating system. August 12, 2011 Very efficient/fascinating business photo voltaic air heater, Lubi. August 10, 2011 First success with a car sunshade solar cooker! February 8, 2010 First vacuum power tapping idea experiments. February 23, 2010 First vacuum power tapping theory calculations. February 3, 2010 Fuller explanation of the vacuum power tapping concept. March 5, 2010 Derived surprisingly good components for vacuum power tapping theory calculations. December 2, 2010 Revised how the vacuum power tapping principle calculates house vitality density. October 27, 2011 JP Aerospace flies Tandem airship to file height to the edge of area. February 27, 2012 All about heat transfer, loss and achieve, examples, and a calculator. November 27, 2009 Major updates to solar air heater manufacturer information! Matrix Energy's products to solar air heater manufacturer information. Suntuf and twin wall glazing to the insulation table, and information about U-value and conversion to R-worth. October 11, 2011 Started an insulation table for photo voltaic/renewable energy DIYers. February 11, 2012 My improved How a Van de Graaff Generator Works video - with all of the physics. June 7, 2011 The right way to make a Van de Graaff generator.

May 26, 2011 Rain water powered piezoelectric generator lighting an LED! February 18, 2011 Save water and heating costs by using a low circulation shower head! Enerworks photo voltaic thermal/hot water system. January 17 2012 How to use a hydrometer to measure the precise gravity of solar system batteries. March 18, 2011 How to use a watt meter to save lots of electricity! May 6, 2011 Complete video of the design, construction and use of my cone solar cooker. January 19 2012 Made a step-by-step video of getting a piezoelectric crystal from a BBQ ignitor. April 2, 2012 The enjoyable with crystal radios that I've had over time - including my how-to-make video. June 1, 2012 A easy amplifier for my crystal radio - includes a how-to-make video. June 8, 2012 The joule thief - getting energy from dead batteries. April 16, 2012 Mobile full off-grid solar energy system on a trailer. April 16, 2010 More likely rationalization for what the testatika 3kW machine's sectors encompass. June 24, 2010 Diagrams and ideas for the testatika principle experiment. June 14, 2010 Visitor report, "Testatika demonstration with over 30 engineers". July 14, 2011 Fresnel lens AND MIRROR solar cooker; cooking from below and with out goggles!

August 14, 2010 More particulars about solar pool heating control and automation. January 30, 2012 Details about amp hour meters for solar energy programs. July 22, 2011 Full details on how I designed my fresnel lens and mirror photo voltaic cooker. May 22, 2012 Solar city Ottawa - a pattern of the numerous various kinds of methods in our northern city. 0.642/kWh for non-roof systems. February 2, 2011 New Ontario Commercial Feed-in-Tariff (CFIT) program for renting of roofs/property for solar methods. February 6, 2012 The way to measure a photo voltaic system's battery financial institution voltage. March 30, 2012 The right way to make a solar cell using a power transistor. March 9, 2010 Added AC and battery wiring to off-grid cottage size/type system on a motor residence. March 16, 2010 Last a part of off-grid cottage dimension/sort system on a motor home added. December 16, 2009 High voltage energy supply with positive, unfavourable and floor AT The same TIME! December 16, 2010 New primary composting web page and started doing inexperienced bin composting for the winter. March 5, 2012 Started a section dedicated to off-grid photo voltaic power. September 24, 2011 Getting began web page added to help newcomers to renewable energy initiatives. December 3, 2010 Ideas added for DIY dry cuprous oxide solar cells.

June 13, 2012 DIY photo voltaic pool heating system in Sardinia, Italy. January 23, 2012 Solar cooked gluten-free pumpkin sourdough bread/cake recipe. April 23, 2012 Detailed introduction to solar cooking. January 17, 2011 Made a very full video about heat retention cooking. May 17, 2012 Determining charge utilizing an electroscope and electrostatics and magnetism video. October 17, 2011 New detailed photo voltaic off-grid home video tour - a big system. June 15, 2012 New video - Day in the Life of an Off-Grid Solar Installer. May 5, 2012 Selected industrial solar cookers - ones you should purchase. June 4, 2012 A comparability of different photo voltaic cookers. May 28, 2012 Added air modifications per hour setting to photo voltaic house simulator and analysis at bottom. August 25, 2011 Data logs added for Guy's DIY can photo voltaic air heater. June 25, 2012 Repaired digital camera tripod leg - encouraging repairing as an alternative of throwing away. April 25, 2011 Sizing steps added for DIY solar pool heating hose/tube size. Added mention to boost evacuated tubes off roof for snow accumulation.