<br>calmlife.click May 19, 2014 Lots more details added to the multiplier part of the how-to-make 30kV power supply page. April 20, 2012 Beefed up the section on Van de Graaff generator belts. April 28, 2014 Added Q&A about batteries and motors to the Van de Graaff generator FAQ web page. March 2, 2014 Added Van de Graaff generator FAQ (Frequently Asked Questions) page. March 26, 2012 Sizing and deciding on batteries for an off-grid solar power system. June 2, 2013 Concentrated photo voltaic power experiments with large fresnel lens, photo voltaic cell and cooling. November 1, 2013 Peltier module cooling effectivity testing. November 17, 2013 About the thermoelectric impact (Peltier and Seebeck effects), and making ice. January 26, 2015 Made a video explaining how the triboelectric impact works. December 13, 2014 Added a test for the effect on water conductivity on the Kelvin water dropper. July 21, 2014 More symbols added to the digital symbols for schematics page.<br>
<br> July 21, 2013 New Stirling engine for out of doors use with concentrated solar from Fresnel lens. Also added Don's prototype fresnel lens photo voltaic cooker. August 5, 2012 Details of and my expertise with the commercially obtainable, and excellent, Copenhagen photo voltaic cooker. October 25, 2014 Added the Copenhagen solar cooker to the solar cooker comparison web page. October 11, 2015 A ball cyclotron, together with find out how to make it. October 3, 2015 Added MOSFETs to the electronics symbols for schematics page. October 12, 2014 How I made a easy photo voltaic panel to be used in a video. May 12, 2014 New high voltage power supply with simpler to seek out parts. March 12, 2012 A extra detailed off-grid solar power system diagram and components descriptions. March 23, 2015 Recent space news from Mars One, Google Lunar X Prize and Astrobotic Technology. November 29, 2014 Recent information from SpaceX, Bigelow Aerospace, Planetary Resources and NASA. September 2, 2009 Some latest testatika work with 276mm disk and insulated HV plates. December 14, 2009 High voltage Negative voltage multiplier. November 22, 2014 Measuring solar panel's open circuit voltage and quick circuit present.<br>
<br> February 9, 2014 The mysterious ball bearing motor - how to make one and how it works. August 3, 2014 New fundamental corona motor web page with rationalization of how it really works and a extra powerful motor. August 9, 2014 New video exhibiting how the corona motor (v2) was made. March 10, 2014 Cleaning up smoke with a DIY electrostatic/smoke precipitator! March 8, 2013 A portable crystal radio utilizing a loop antenna coil! July 20, 2012 By request, added a crystal radio amplifier step-by-step how-to-make video. February 6, 2015 How-to-Make video for wireless transmission of electricity and a calculation spreadsheet. September 21, 2013 New how-to-make high voltage power provide video plus more added. March 16, 2012 New voltage, current, airflow video for a lifter plus extra enhancements to these pages. March 11, 2013 Updated the calculation for a microFIT system given decrease photo voltaic panel prices. July 27, 2012 Find out how to repair a photo voltaic panel whose glass has been shattered. June 27, 2015 New video on how I made the laser communicator.<br>
<br> February 27, 2015 Updated photo voltaic shade discovering iPhone and Android apps. January 9 2012 Inexpensive iPhone and Android apps for doing photo voltaic shade evaluation. January 1, 2015 Added a transistor protection part to the 30kV excessive voltage energy provide page. April 23, 2013 New part - Science and Electronics Projects! March 14, 2015 Added fuses and meters to the electronics symbols for schematics page. March 18, 2014 Much improved voltage drop calculator for solar energy system wiring. August 13, 2015 Got a lot better sound from my laser communicator and photoresistor setup. April 6, 2015 Piezoelectric electrostatic generator made from a BBQ ignitor. April 8, 2015 Ad Astra gets funding for subsequent technology VASIMR a hundred hour ion propulsion rocket. December 8, 2013 Added ion propulsion to a Star Trek Enterprise mannequin! November 30, 2013 Two new ion propulsion movies added, together with one with a Star Trek Enterprise model! May 30, 2015 Added a photograph and video of powering a TEA laser using a Wimshurst machine. October 16, 2013 An easy to make laser - TEA laser. October 30, 2013 Added details on the Google Lunar X Prize.<br>
