November 6, 2016 Updated the solar section with the latest microFIT pricing. December 10, 2016 Added extra suggestions for making Kelvin water droppers. June 10, 2011 Fried an egg for lunch with my fresnel lens solar cooker! June 5, 2016 Curie temperature experiment - demonstration and the science. November 25, 2016 Big gyroscopes using vinyl records and a gyroscopic precession demonstration. November 7, 2015 Generating electricity utilizing atmospheric electricity. March 5, 2015 Powering a Compact Fluorescent Light (CFL) using an electric fly swatter. November 14, 2015 Added video explaining how powering using atmospheric electricity works. April 22, 2016 Added a video explaining and demonstrating the backpropagation neural network. March 23, 2016 New - Added a donation web page with methods to donate to/assist RimstarOrg. July 23, 2017 Electronic circuit on a potato chip - a macrochip as a substitute of a microchip. June 22, 2013 Many extra "how it's made" details added for the 555 timer chip music player. June 18, 2016 Added a low friction high voltage test rig. January 25, 2016 The design and making of my BB-8's RC receiver to Arduino converter circuit. March 30, 2016 Added piezo buzzer receiver circuit diagram for wireless transmission of electricity.

February 21, 2016 New rollers for BB-eight (v2) and STL files for 3D printing BB-8's gears. January 30, 2016 New web page all about BB-8's drive electronics. July 17, 2016 Added how to make a spiral coil for a small Tesla coil. November 13, 2017 Simple to make LED flashlight, the RattleGen. December 2, 2011 New video for the simple DIY software for finding yr round shading. April 2, 2017 Added a video about detailing, lighting and painting BB-8. November 21, 2016 Added full particulars of detailing, lighting and painting BB-8. October 22, 2016 New web page on coil design and inductance, together with an inductance calculator. October 31, 2017 New web page all about working with pin headers when making digital circuit boards. February 27, 2016 Added new BB-eight (v2) droid video showing it in action and part 1 of constructing it. May 21, 2016 New - ornithopter, a wing flapping flying machine. May 11, 2011 Firsts and mishaps in solar cooking - began a solar cooking log. April 16, 2011 Started solar cooking! May 16, 2015 Detailed video on tips on how to make my small spark gap Tesla coil. May 21, 2017 Major enhancements to the section on neural community frameworks and services.

January 15, 2016 By request, I added a section about where to get piezoelectric crystals. February 8, 2017 New Raspberry Pi section begun - How one can connect with a Pi straight. February 15, 2016 How I added magnets to the BB-eight droid so the head can stay on. November 13, 2016 BB-8's now painted! May 9, 2017 Added how to find the dimensions the orange circles on BB-8's ball. May 26, 2013 Franklin's bell science venture - how you can make it. November 27, 2015 The photoelectric effect, a neat science experiment. December 7, 2015 Progress made on BB-8 droid (v2) - working motor drive system. May 9, 2016 How I added three layers of fiberglass to the BB-eight droid's ball. July 5, 2016 Added a page with the BB-8 droid's dimensions to assist anybody making one. September 20, 2016 New video - extra demos and making measuring voltage for my smoke precipitator. October 20, 2012 New Part 2 The way to Make a Van de Graaff Generator video with lots of tips and enhancements. October 24, 2011 Nuclear fusion together with quantum tunnelling - and a new video. August 23, 2016 Added a video on the IMU/gyro for my BB-eight (v2) droid and demoing it.

October 3, 2016 Added inductors/coils and transformers to the digital symbols web page. October 13, 2012 Van de Graaff generator as Faraday cage experiment. January sixteen 2012 Winter outcomes for David's DIY PEX coil solar water heater. August 4, 2011 Unique DIY photo voltaic scorching water system using a PEX spiral coil/solar oven collector. June 25, 2011 Mini solar tower for producing electricity using fresnel lens. June 1, 2014 Added details and instance about photo voltaic panel specs. February 11, 2015 Details about making a Stirling engine's displacer using steel wool. June 29, 2013 Find out how to power a Compact Fluorescent Light (CFL) utilizing a joule thief circuit and AA batteries! June 15, 2014 Huge update to turning a Pc monitor into a high voltage power supply. April 21, 2010 Making Barium Titanate capacitors for a high dielectric fixed. September 21, 2016 Added the schematic for the Cube flyback high voltage energy provide. September 4, 2016 How you can remove the motor and chuck from a cordless drill. September 21, 2017 Completely rewrote the web page on attaching BB-8's head as a result of many enhancements.