What's New
February 3, 2012 My new How a Van de Graaff Generator Works video - with all the physics.
January 30, 2012 Details about amp hour meters for solar power systems.
January 23, 2012 Solar cooked gluten-free pumpkin sourdough bread/cake recipe.
January 19 2012 Made a step-by-step video of getting a piezoelectric crystal from a BBQ ignitor.
January 17 2012 How to use a hydrometer to measure the specific gravity of solar system batteries.
January 16 2012 Winter results for David's DIY PEX coil solar water heater.
January 10 2012 A warning about window covering solar air heaters.
January 9 2012 Inexpensive iPhone and Android apps for doing solar shade analysis.
January 6, 2012 My fancy DIY shade finder tool for doing solar site surveys and how to read a Sun Chart.
December 19, 2011 New solar cooker - the Modified CooKit solar cooker!
December 14, 2011 Solar cooked winter solstice sourdough sunshine cake recipe and
reflector aiming method using distant viewing trick.
December 12, 2011 New solar cooking recipe section, starting with no-knead bread and pizza crust.
December 7, 2011 Baffle solar air heaters for odd shapes and
multiscreen screen solar air heaters.
December 2, 2011 New video for the simple DIY tool for finding year round shading.
November 27, 2011 Blog entry - The vanishing garbage and
November 25, 2011 Step-by-step how to make a Rochelle salt piezoelectric crystal and
a new video on testing Rochelle salt piezoelectric crystals.
November 22, 2011 Blue Origin reveals some of its orbital space plans and so
added Blue Origin to the Path to Space.
November 18, 2011 New page about my Cansolair installation and
a video detailing parts of the owner-installed Enerworks solar thermal/hot water system.
November 11, 2011 Finding sun shading/obstacle issues and
a simple DIY tool for finding year round shading.
November 4, 2011 Detailed video tour of the owner-installed Enerworks solar thermal/hot water system.
November 1, 2011 An owner-installed Enerworks solar thermal/hot water system.
October 27, 2011 JP Aerospace flies Tandem airship to record height to the edge of space.
October 24, 2011 Nuclear fusion including quantum tunnelling - and a new video.
October 20, 2011 Solar air heater with selectable input and output paths.
October 17, 2011 New detailed solar off-grid home video tour - a large system.
October 11, 2011 Started an insulation table for solar/renewable energy DIYers.
October 5, 2011 Passive solar house (well... box) simulator stable version uploaded.
October 3, 2011 Introduction to insulation: convection, conduction, radiation, R-values.
September 29, 2011 SpaceX reveals how they'll make their Falcon 9 rocket reusable.
September 24, 2011 Getting started page added to help newcomers to renewable energy projects.
September 14, 2011 How to repair things... starting with a knapsack and a bicycle lock key.
September 5, 2011 Various methods for finding true south for aligning solar collectors.
August 26, 2011 Video explaining nuclear fusion in the sun and how it gives us solar energy.
August 25, 2011 Data logs added for Guy's DIY can solar air heater.
August 23, 2011 Updated absorber and glazing subsections on main solar air heater page and
added schematic to homemade 24 volt power supply page.
August 16, 2011 Guy's DIY can solar air heater with measured savings for two seasons and
using an hour meter to measure runtime for solar heating systems.
August 12, 2011 Very efficient/interesting commercial solar air heater, Lubi.
August 10, 2011 First success with a car sunshade solar cooker!
August 8, 2011 August space news - Atlas V rocket selected for Boeing's Crew Space Transportation capsule.
August 4, 2011 Unique DIY solar hot water system using a PEX spiral coil/solar oven collector.
July 28, 2011 How to design reflectors for solar cookers (and other things.)
July 27, 2011 July space news - SpaceX's Dragon scheduled for December docking with ISS and
Bigelow moving directly to BA 330 (330 cubic meter) inflatable habitat development.
July 22, 2011 Full details on how I designed my fresnel lens and mirror solar cooker.
July 14, 2011 Fresnel lens AND MIRROR solar cooker; cooking from below and without goggles!
July 12, 2011 Where not to put a chlorinator in a solar pool heating system.
July 11, 2011 Mini solar tower version 5 partially rotates a small paper turbine.
July 5, 2011 Mini solar tower version 4 now up to 165C (330F) plus.
Also added Don's prototype fresnel lens solar cooker.
July 3, 2011 Blog entry - The world in 2050
June 25, 2011 Mini solar tower for generating electricity using fresnel lens.
June 18, 2011 About sunlight capture areas for solar cookers as a start to a
new section on designing solar cookers.
June 17, 2011 All about fresnel lenses - or what I learned making my solar cooker!
June 13, 2011 Blog entry - Doers ruin predictions
June 10, 2011 Fried an egg for lunch with my fresnel lens solar cooker!
June 7, 2011 How to make a Van de Graaff generator.
June 5, 2011 Bruce's feature rich fresnel lens solar cooker.
June 1, 2011 My new fresnel lens solar cooker!
May 27, 2011 DIY solar air heater types and
miscellaneous additions to the main solar air heater page.
May 26, 2011 Rain water powered piezoelectric generator lighting an LED!
May 22, 2011 Derelict rear projection TV = two new solar cookers!
May 20, 2011 Extracting and testing piezoelectric disks from gift cards.
May 15, 2011 Blog entry - Redefining normal
May 11, 2011 Firsts and mishaps in solar cooking - started a solar cooking log.
May 6, 2011 Complete video of the design, construction and use of my cone solar cooker.
May 5, 2011 How to mount a transistor to a heatsink.
April 29, 2011 News about SpaceX's $75 million award from NASA for launch escape system... and planetary lander and
minor updates to the "path to space" since things keep happening.
April 28, 2011 Details of AccuCut machine used for making electric rocket.
April 25, 2011 Sizing steps added for DIY solar pool heating hose/tube length.
April 21, 2011 Blog entry - Would you live without a washing machine?
April 16, 2011 Started solar cooking! Nothing beats solar cooked rice from
a homemade solar cooker.
April 11, 2011 How to make a sun finder for pointing a solar cooker at the sun.
April 6, 2011 More shower on/off valve water use tests, foot pedal activation idea, ...
April 5, 2011 SpaceX's Falcon Heavy added to the 'path to space' page as a result of recent announcements and
added news item re the Falcon Heavy to main space page.
April 4, 2011 2 gallons/7.6 litres for a full shower?! Yup. See the table of times and calculations.
April 1, 2011 How to size a DIY or commercial solar pool heating system.
March 31, 2011 Vaccum energy tapping design page now has general idea at top.
March 29, 2011 Ran across a great Ontario microFIT (PV feeding the grid) video.
March 25, 2011 The Airship to Orbit program - a novel way to go from Earth to space.
March 18, 2011 How to use a watt meter to save electricity!
February 18, 2011 Save water and heating costs by using a low flow shower head!
February 11, 2011 Much added to the 'path to space' page as a result of recent announcements and
added news item re Astrobotic Technology's moon plans.
February 7, 2011 More ways to clear snow off solar panels (plus added diagrams.)
February 4, 2011 Solar snow pre-melter experiments.
February 2, 2011 New Ontario Commercial Feed-in-Tariff (CFIT) program for renting of roofs/property for solar systems.
January 25, 2011 Assisting in melting snow off solar panels with strips of black tape and
a new main winter solar issues page.
January 20, 2011 Added a main 'Space' page.
January 19, 2011 Worm bin temperature measurements in mid-winter.
January 18, 2011 Realistic analysis of the future of humans in space.
January 17, 2011 Made a very full video about heat retention cooking.
January 10, 2011 More info on just about everything to do with DIY solar air heaters and
added types and CSA Performance Factors for commercial solar air heaters.
December 22, 2010 New main efficiency and conservation page and
how to do heat-retention cooking - cook long grain brown rice with 10 minutes on the stove instead of 45!
December 16, 2010 New main composting page and started doing green bin composting for the winter.
December 9, 2010 Blog entry - Can 100 miles of mirrors concentrated solar thermal power the US?
December 3, 2010 Ideas added for DIY dry cuprous oxide solar cells.
December 2, 2010 Revised how the vacuum energy tapping theory calculates space energy density.
December 1, 2010 Ontario microFIT/FIT Feed-in Tariff program details (up to $0.802/kWh). (Updated Dec 13 - See News)
November 18, 2010 How to square a frame for a solar array.
November 15, 2010 Barium titanate doorknob capacitor propulsion experiment!
November 12, 2010 Much improved Part 2 video for solar air heater temperature control and new assembly photos.
November 7, 2010 Abundant detail, circuits and videos on temperature control for solar air heaters!
October 4, 2010 In the testatika, the electric field is through the horseshoe magnet itself and not the gap between the legs.
September 10, 2010 New very detailed report of the DIY spiral hose type of solar pool heater in Tuscany!
Also, now introducing RSS support for rimstar.org! Click the button above.
August 26, 2010 Ontario's microFIT program now paying $0.642/kWh for non-roof systems.
August 15, 2010 DIY spiral hose type solar pool heater in Tuscany!
August 14, 2010 More details about solar pool heating control and automation.
July 15, 2010 New high voltage, infinitely adjustable horizontal rotating test platform.
June 24, 2010 Diagrams and ideas for the testatika principle experiment.
June 14, 2010 Visitor report, "Testatika demonstration with over 30 engineers".
June 12, 2010 Better mixing technique for Barium Titanate capacitors: K=27!.
May 15, 2010 Demonstration of charge holding in vacuum energy capacitor (work-in-progress).
May 7, 2010 More details on Ontario's $0.802/kWh Feed-in Tariff program and
spreadsheet calcs show lower voltage needed for vacuum energy tapping and
convincing evidence of mesh at center of 3kW testatika machine.
April 21, 2010 Making Barium Titanate capacitors for a high dielectric constant.
April 16, 2010 Much more likely explanation for what the testatika 3kW machine's sectors consist of.
March 21, 2010 Calculated required voltage for particle creation from vacuum energy and
a new design idea from how this might be going on in the testatika.
March 16, 2010 Last part of off-grid cottage size/type system on a motor home added.
March 9, 2010 Added AC and battery wiring to off-grid cottage size/type system on a motor home.
March 5, 2010 Derived surprisingly good formula for vacuum energy tapping theory calculations.
March 2, 2010 Added solar panel wiring, including to charge controller and battery description page.
February 27, 2010 Very, very detailed desciption of installation of off-grid cottage size/type system on a motor home.
February 23, 2010 First vacuum energy tapping theory calculations.
February 16, 2010 New video about inductive charging using an electroscope and
major updates to vacuum energy theory.
February 8, 2010 First vacuum energy tapping theory experiments.
February 3, 2010 Fuller explanation of the vacuum energy tapping theory.
February 1, 2010 Vacuum energy tapping theory and designs (experiments in progress.)
January 12, 2010 Feed-in Tariff program replaces Standard Offer Program in Ontario for solar power and
added Matrix Energy's products to solar air heater manufacturer info.
December 16, 2009 High voltage power supply with positive, negative and ground AT THE SAME TIME!
December 14, 2009 High voltage NEGATIVE voltage multiplier.
November 27, 2009 Major updates to solar air heater manufacturer info!
November 14, 2009 A new 312,000 PV solar panel solar farm in Ottawa, Ontario, Canada!
November 6, 2009 Testatika HV pulsing of magnets and converting to low voltage DC!
October 10, 2009 Added a video of how I harvest my worm castings (poop)!
October 6, 2009 My tricks for doing container gardening in our parking lot.
September 5, 2009 New food section, my growing efforts starting with... broccoli!
September 2, 2009 Some recent testatika work with 276mm disk and insulated HV plates.

What's New archive...

- Share your project on rimstar.org -

Watch my how-to video, How to how to make an electroscope (DIY) on WonderHowTo.