Instructables: exploring - technology - science - power http://www.instructables.com Thu, 2 Oct 2014 02:29:41 PDT BLOX v1.01 Make Silver-Colored Pennies! http://www.instructables.com/id/Make-Silver-Colored-Pennies/
Make Silver-Colored Pennies! - More DIY How To Projects]]> http://cdn.instructables.com/FXR/EXW6/HWLD2KJE/FXREXW6HWLD2KJE.SQUARE2.jpg http://cdn.instructables.com/FXR/EXW6/HWLD2KJE/FXREXW6HWLD2KJE.SQUARE.jpg http://cdn.instructables.com/FXR/EXW6/HWLD2KJE/FXREXW6HWLD2KJE.SMALL.jpg PopsicleGhoul This guide will show you how to transform boring old pennies into shiny silvery wonders! The method of choice is, in this case, electrochemistry. Specifically, this Instructable will use electroplating to put the shine on your moolah. In other words, we will coat a normal penny in a thin layer of...
By: PopsicleGhoul

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Thu, 19 Jun 2014 10:09:31 PDT
Light Spectrometer from a "battery powered" head inspection lamp http://www.instructables.com/id/Light-Spectrometer-from-a-head-inspection-lamp/
Light Spectrometer from a "battery powered" head inspection lamp - More DIY How To Projects]]> http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE2.jpg http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SQUARE.jpg http://cdn.instructables.com/F1J/OK8V/HXY66P6D/F1JOK8VHXY66P6D.SMALL.jpg HUKBMBEAR Hello if you like this please take the time to vote in the competitionsTHANKSAt the end of my light sensing instructable where I played with the measurement of reducing sun light levels as well as making it into a laser game , I mentioned that I wanted to have a go at making a full spectrometer. Thi...
By: HUKBMBEAR

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Tue, 27 May 2014 14:28:46 PDT
The infinite battery (crystal cell battery) http://www.instructables.com/id/The-infinant-battery-crystal-cell-battery/
The infinite battery (crystal cell battery) - More DIY How To Projects]]> http://cdn.instructables.com/FDL/4957/HUUXJVGY/FDL4957HUUXJVGY.SQUARE2.jpg http://cdn.instructables.com/FDL/4957/HUUXJVGY/FDL4957HUUXJVGY.SQUARE.jpg http://cdn.instructables.com/FDL/4957/HUUXJVGY/FDL4957HUUXJVGY.SMALL.jpg anders625 look around you right now what do you see? I see limitless energy just waiting to be harnessed, The question is how? Answer: using Crystal power cell, but how does on work? I work's because the Crystal that is formed has two unique abilities, it's piezo electric and thermoelectric. This means that w...
By: anders625

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Tue, 6 May 2014 12:53:39 PDT
Work, Power, and the Conservation of Energy through Roller Coasters http://www.instructables.com/id/Work-Power-and-the-Conservation-of-Energy-through-/
Work, Power, and the Conservation of Energy through Roller Coasters - More DIY How To Projects]]> http://cdn.instructables.com/F61/QXS8/HSYO1QE5/F61QXS8HSYO1QE5.SQUARE2.jpg http://cdn.instructables.com/F61/QXS8/HSYO1QE5/F61QXS8HSYO1QE5.SQUARE.jpg http://cdn.instructables.com/F61/QXS8/HSYO1QE5/F61QXS8HSYO1QE5.SMALL.jpg CitizenScientist This is a project that I wrote for my high school physics classes to apply the work, power, and energy formulas to an engineering design project. The project involved students constructing a roller coaster track for a marble out of high water pipe insulation. One they had constructed a working coast...
By: CitizenScientist

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Wed, 19 Mar 2014 18:33:21 PDT
High Voltage Power Supply from Laser Printer http://www.instructables.com/id/High-Voltage-Power-Supply-from-Laser-Printer/
High Voltage Power Supply from Laser Printer - More DIY How To Projects]]> http://cdn.instructables.com/FSD/HZ8E/HRBN9Y3R/FSDHZ8EHRBN9Y3R.SQUARE2.jpg http://cdn.instructables.com/FSD/HZ8E/HRBN9Y3R/FSDHZ8EHRBN9Y3R.SQUARE.jpg http://cdn.instructables.com/FSD/HZ8E/HRBN9Y3R/FSDHZ8EHRBN9Y3R.SMALL.jpg bobyong808 Laser Printers are treasure troves of electronic goodies from gears to lasers to high voltage power supplies. High voltage is required in laser printing to create electrostatic charges to determine where the toner sticks, creating letters and images on paper. However, modern laser printers with thei...
By: bobyong808

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Thu, 6 Feb 2014 05:28:05 PST
how to make a battery with quarters http://www.instructables.com/id/how-to-make-a-battery-with-quarters/
how to make a battery with quarters - More DIY How To Projects]]> http://cdn.instructables.com/FLS/BJG0/HINOCN47/FLSBJG0HINOCN47.SQUARE2.jpg http://cdn.instructables.com/FLS/BJG0/HINOCN47/FLSBJG0HINOCN47.SQUARE.jpg http://cdn.instructables.com/FLS/BJG0/HINOCN47/FLSBJG0HINOCN47.SMALL.jpg brian4752 This is a part of my battery series telling you how to make a battery with quarters. Enjoy! materials You will need: ~ some salt ~ some aluminum foil ~ 10 quarters ~ a piece of paper ~ a bowl ~ some vinegar ~ two pieces of wire ~ some scissors ~ an LED or multimeter mixing You will start by pu...
By: brian4752

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Mon, 15 Jul 2013 18:38:08 PDT
the fuel injection system, poster http://www.instructables.com/id/the-fuel-injection-system-poster/ http://cdn.instructables.com/FV8/OEFM/HH2VMQAK/FV8OEFMHH2VMQAK.SQUARE2.jpg http://cdn.instructables.com/FV8/OEFM/HH2VMQAK/FV8OEFMHH2VMQAK.SQUARE.jpg http://cdn.instructables.com/FV8/OEFM/HH2VMQAK/FV8OEFMHH2VMQAK.SMALL.jpg danbranxl if your teaching how the fuel injection system works, i would find it is best to, make a big diagram of the fuel injector and pretty much stick different parts on as you go. watch this video i found to see how the fuel injector works if you dont already know
By: danbranxl

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Fri, 24 May 2013 03:31:20 PDT
My Space Balloon: Project Stratohab Success!! High School Student's Budget http://www.instructables.com/id/My-Space-Balloon-Project-Stratohab-Success-High/
My Space Balloon: Project Stratohab Success!! High School Student's Budget - More DIY How To Projects]]> http://cdn.instructables.com/FIY/CBMU/H5Y9W3TA/FIYCBMUH5Y9W3TA.SQUARE2.jpg http://cdn.instructables.com/FIY/CBMU/H5Y9W3TA/FIYCBMUH5Y9W3TA.SQUARE.jpg http://cdn.instructables.com/FIY/CBMU/H5Y9W3TA/FIYCBMUH5Y9W3TA.SMALL.jpg robotkid249 "We're making space more American. We're making space more democratic. We're making space more available, approachable and real to the average American."  - James Muncy, President of Polispace As an avid maker and hobbyist, I support the open source initiative like the Arduino micro controller plat...
By: robotkid249

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Thu, 23 Aug 2012 13:30:05 PDT
Two Stroke engine HACK to a powerful Steam Engine http://www.instructables.com/id/Two-Stroke-engine-HACK-to-a-powerful-Steam-Engine/ http://cdn.instructables.com/FST/IZDK/H5Y9VO7H/FSTIZDKH5Y9VO7H.SQUARE2.jpg http://cdn.instructables.com/FST/IZDK/H5Y9VO7H/FSTIZDKH5Y9VO7H.SQUARE.jpg http://cdn.instructables.com/FST/IZDK/H5Y9VO7H/FSTIZDKH5Y9VO7H.SMALL.jpg GREENPOWERSCIENCE This illustrates the simplicity of converting any gasoline engine into a near perfectly machined Green Steam engine from scrap weed eaters or chain saws. Even old lawn mowers will work. I am considering an air powered tractor from a deep sea diving tank:-) Regulator to reduce 3200 psi to about 250. ...
By: GREENPOWERSCIENCE

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Sun, 19 Aug 2012 07:38:27 PDT
Industrial Motor Controller Trainer http://www.instructables.com/id/Industrial-Motor-Controller-Trainer/
Industrial Motor Controller Trainer - More DIY How To Projects]]> http://cdn.instructables.com/F2S/P3Z2/H1DRXUO6/F2SP3Z2H1DRXUO6.SQUARE2.jpg http://cdn.instructables.com/F2S/P3Z2/H1DRXUO6/F2SP3Z2H1DRXUO6.SQUARE.jpg http://cdn.instructables.com/F2S/P3Z2/H1DRXUO6/F2SP3Z2H1DRXUO6.SMALL.jpg damoelld ***The Design of this Trainer Uses EXTREMELY DANGEROUS Voltages and should only be used under QUALIFIED supervision*** The electrical trainee can learn to recognize some of the more common symptoms and their causes encountered during operation of an industrial motor that incorporates controllers wi...
By: damoelld

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Thu, 3 May 2012 16:51:38 PDT
The mexican... Watt ? ? Calculate Watts on motors with Amp and Volt readings. http://www.instructables.com/id/The-mexican-Watt-meter/
The mexican... Watt ? ? Calculate Watts on motors with Amp and Volt readings. - More DIY How To Projects]]> http://cdn.instructables.com/F5Y/OZXO/GWVXGDLE/F5YOZXOGWVXGDLE.SQUARE2.jpg http://cdn.instructables.com/F5Y/OZXO/GWVXGDLE/F5YOZXOGWVXGDLE.SQUARE.jpg http://cdn.instructables.com/F5Y/OZXO/GWVXGDLE/F5YOZXOGWVXGDLE.SMALL.jpg rlarios Nowadays, it’s easy to measure watts to home appliances with Kill-A-Watt meters. However, living in Mexico, ordering one across the border would be cost prohibitive as shipping charges would be higher than the cost of the meter itself, and that's without taking into account import taxes! Knowi...
By: rlarios

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Sun, 1 Jan 2012 20:19:23 PST
Make a 240V MOT high voltage power supply with 120V transformers http://www.instructables.com/id/Make-a-240V-MOT-high-voltage-power-supply-with-120/
Make a 240V MOT high voltage power supply with 120V transformers - More DIY How To Projects]]> http://cdn.instructables.com/FZK/MLCZ/GW9VCBCA/FZKMLCZGW9VCBCA.SQUARE2.jpg http://cdn.instructables.com/FZK/MLCZ/GW9VCBCA/FZKMLCZGW9VCBCA.SQUARE.jpg http://cdn.instructables.com/FZK/MLCZ/GW9VCBCA/FZKMLCZGW9VCBCA.SMALL.jpg Jimmy Proton I love to play with MOT's but the only breaker i have to power them off of it only rated for 15 amps, so i decided to see if I could power them off a 240V outlet my dad made for his welders and air compressor and sure enough, it works! So here i will show you how to make a great MOT power supply ver...
By: Jimmy Proton

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Fri, 16 Dec 2011 20:47:03 PST
awesome MOT power supply http://www.instructables.com/id/awesome-MOT-power-supply/
awesome MOT power supply - More DIY How To Projects]]> http://cdn.instructables.com/FYA/GMI2/GW88OQPF/FYAGMI2GW88OQPF.SQUARE2.jpg http://cdn.instructables.com/FYA/GMI2/GW88OQPF/FYAGMI2GW88OQPF.SQUARE.jpg http://cdn.instructables.com/FYA/GMI2/GW88OQPF/FYAGMI2GW88OQPF.SMALL.jpg Jimmy Proton This is a nice compact MOT power supply that I created, it uses two 120V MOT's and some other things that can easily be obtained, I built this entire thing for free out of stuff laying around in my house and from microwave ovens that I took apart. *A MOT can kill you instantly or give you a really ...
By: Jimmy Proton

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Fri, 16 Dec 2011 20:44:44 PST
The Simple Tesla Coil http://www.instructables.com/id/The-Simple-Tesla-Coil/
The Simple Tesla Coil - More DIY How To Projects]]> http://cdn.instructables.com/FWA/4PVA/GUKZRGX7/FWA4PVAGUKZRGX7.SQUARE2.jpg http://cdn.instructables.com/FWA/4PVA/GUKZRGX7/FWA4PVAGUKZRGX7.SQUARE.jpg http://cdn.instructables.com/FWA/4PVA/GUKZRGX7/FWA4PVAGUKZRGX7.SMALL.jpg MistaStokes This is a guide on how to build a medium sized Tesla coil. I built this one from parts I had laying around, all I had to buy was magnet wire, in all I spent less than $30! For those building their first coil, I would not suggest using this a standalone source of instructions. This is my first coil,...
By: MistaStokes

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Fri, 4 Nov 2011 14:28:12 PDT
Electricity Generating Kite! http://www.instructables.com/id/Electricity-Generating-Kite/
Electricity Generating Kite! - More DIY How To Projects]]> http://cdn.instructables.com/FFD/4ZX4/GOZIQH9B/FFD4ZX4GOZIQH9B.SQUARE2.jpg http://cdn.instructables.com/FFD/4ZX4/GOZIQH9B/FFD4ZX4GOZIQH9B.SQUARE.jpg http://cdn.instructables.com/FFD/4ZX4/GOZIQH9B/FFD4ZX4GOZIQH9B.SMALL.jpg robotkid249 Imagine, a children's toy generating all of your electricity needs. That is the reality of kite power! Kites mounted with turbines fly autonomously generating power on a megawatt scale! I have always been infatuated with kites. Their simple movement and calming effect seem to interest every child. ...
By: robotkid249

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Thu, 16 Jun 2011 12:09:03 PDT
Build a Psy-Wheel and Learn Telekinesis! (sort of) http://www.instructables.com/id/Build-a-Psi-Wheel-and-learn-Telekenisis-sort-o/
Build a Psy-Wheel and Learn Telekinesis! (sort of) - More DIY How To Projects]]> http://cdn.instructables.com/FZ0/6UKC/GLC27ZEG/FZ06UKCGLC27ZEG.SQUARE2.jpg http://cdn.instructables.com/FZ0/6UKC/GLC27ZEG/FZ06UKCGLC27ZEG.SQUARE.jpg http://cdn.instructables.com/FZ0/6UKC/GLC27ZEG/FZ06UKCGLC27ZEG.SMALL.jpg ElectricUmbrella Did you know that we only use 10% of our brains? In this Instructable, I will teach you how to discover the untapped power of your subconscious mind, the other 90%, by building a simple device that can demonstrate it! ...Yup, that's what I would tell you, if I believed in Telekinesis - the power to...
By: ElectricUmbrella

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Wed, 16 Mar 2011 16:04:36 PDT
Solar Power (Article) http://www.instructables.com/id/Solar-Power-1/
Solar Power (Article) - More DIY How To Projects]]> http://cdn.instructables.com/F5L/KQS5/GIJG2HDO/F5LKQS5GIJG2HDO.SQUARE2.jpg http://cdn.instructables.com/F5L/KQS5/GIJG2HDO/F5LKQS5GIJG2HDO.SQUARE.jpg http://cdn.instructables.com/F5L/KQS5/GIJG2HDO/F5LKQS5GIJG2HDO.SMALL.jpg howitgoes Every project requires energy. It must power the tools and the batteries and the outlets that items are plugged into. With all of the problems that are tied to fossil fuels and so much solar energy out there, why aren’t solar panels everywhere, powering everything? Why can’t we make the switch into ...
By: howitgoes

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Mon, 10 Jan 2011 10:20:33 PST
Worlds brightest led flashlight 3 1200 lumen http://www.instructables.com/id/Worlds-brightest-led-flashlight-3-1200-lumen/ http://cdn.instructables.com/FAS/JI1G/G69MW0VE/FASJI1GG69MW0VE.SQUARE2.jpg http://cdn.instructables.com/FAS/JI1G/G69MW0VE/FASJI1GG69MW0VE.SQUARE.jpg http://cdn.instructables.com/FAS/JI1G/G69MW0VE/FASJI1GG69MW0VE.SMALL.jpg jayandersons Making the worlds brightest led flashlight useing a ssr 50 for a max brightness of 1250 lumen. a aw mir lithum 18650 was used . brass heat sink. light was a mte p7
By: jayandersons

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Fri, 26 Mar 2010 09:57:06 PDT
How to: High current Microwave oven Transformer http://www.instructables.com/id/How-to-High-current-Microwave-oven-Transformer/
How to: High current Microwave oven Transformer - More DIY How To Projects]]> http://cdn.instructables.com/F85/GTAK/G5KPB9JO/F85GTAKG5KPB9JO.SQUARE2.jpg http://cdn.instructables.com/F85/GTAK/G5KPB9JO/F85GTAKG5KPB9JO.SQUARE.jpg http://cdn.instructables.com/F85/GTAK/G5KPB9JO/F85GTAKG5KPB9JO.SMALL.jpg HazzWold1993  Hey! in this instructable i will be detailing the steps involved in modifying a microwave oven transformer for high current lower voltage use which shall be achieved by removing the transformers original secondary windings and replacing it with thicker ones of your own. Now the thing to take into m...
By: HazzWold1993

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Fri, 19 Feb 2010 01:26:11 PST
How to: Resonant Microwave Oven Transformer High Voltage Supply. http://www.instructables.com/id/How-to-Resonant-MOT-Stack/
How to: Resonant Microwave Oven Transformer High Voltage Supply. - More DIY How To Projects]]> http://cdn.instructables.com/F1N/68RZ/G5KP9U7G/F1N68RZG5KP9U7G.SQUARE2.jpg http://cdn.instructables.com/F1N/68RZ/G5KP9U7G/F1N68RZG5KP9U7G.SQUARE.jpg http://cdn.instructables.com/F1N/68RZ/G5KP9U7G/F1N68RZG5KP9U7G.SMALL.jpg HazzWold1993 Okay first of all i feel i should give a little disclaimer. Microwave oven transformers are indeed LETHAL the current and voltage that they put out is more then enough to kill you, the voltage and current they run off will quite happily kill YOU! Microwave oven capacitors Hold a strong charge for qu...
By: HazzWold1993

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Thu, 18 Feb 2010 03:12:38 PST
Making a Saline or Hydroxide Solution http://www.instructables.com/id/Making-a-Saline-or-Hydroxide-Solution/
Making a Saline or Hydroxide Solution - More DIY How To Projects]]> http://cdn.instructables.com/FA0/4ADL/G4JNYTQ1/FA04ADLG4JNYTQ1.SQUARE2.jpg http://cdn.instructables.com/FA0/4ADL/G4JNYTQ1/FA04ADLG4JNYTQ1.SQUARE.jpg http://cdn.instructables.com/FA0/4ADL/G4JNYTQ1/FA04ADLG4JNYTQ1.SMALL.jpg egbertfitzwilly A classroom suitable method to make electrolyte solutions of any strength for al-air or microbial fuel cells if a heat source is available. Along the way we will learn about calculating ratios, percentages and solubility of inorganic chemicals in water. Plus these solutions can be used with other pr...
By: egbertfitzwilly

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Wed, 20 Jan 2010 22:46:49 PST
Measuring system efficiency of using backup batteries from grid power http://www.instructables.com/id/Measuring-system-efficiency-of-using-backup-batter/ http://cdn.instructables.com/F9H/BT97/G29ZFXT6/F9HBT97G29ZFXT6.SQUARE2.jpg http://cdn.instructables.com/F9H/BT97/G29ZFXT6/F9HBT97G29ZFXT6.SQUARE.jpg http://cdn.instructables.com/F9H/BT97/G29ZFXT6/F9HBT97G29ZFXT6.SMALL.jpg nedfunnell For my thermodynamics project, I set the depicted components up to measure the total efficiency of charging batteries from the grid then discharging them through an inverter- in my case, 110v-24v-12v(wiring change)-110v-load. This is a small-scale model of a system that would serve a household where...
By: nedfunnell

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Tue, 24 Nov 2009 21:55:45 PST
Cheap (AXT) Bench Power Supply 30 Amps! http://www.instructables.com/id/Computer-Power-Supply-to-Bench-Power-Supply/ http://cdn.instructables.com/FTJ/H5S6/FZG43S6W/FTJH5S6FZG43S6W.SQUARE2.jpg http://cdn.instructables.com/FTJ/H5S6/FZG43S6W/FTJH5S6FZG43S6W.SQUARE.jpg http://cdn.instructables.com/FTJ/H5S6/FZG43S6W/FTJH5S6FZG43S6W.SMALL.jpg muttyfutty This is my second PSU (Power supply Unit) as my prievieous one mysteriously burnt out (!) I managed to purchace a new Computer PSU to convert, this one has a nice jucy 5V at 30A! and 12V at 21A! I also managed to get a 30A panel Ammeter Yay! Any comments welcome! (Plz dun be too harsh lol) Enjoy!
By: muttyfutty

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Sat, 26 Sep 2009 20:36:26 PDT
A Paper Plate and Pop Bottle Savonius Wind Turbine http://www.instructables.com/id/A-Paper-Plate-and-Pop-Bottle-Savonius-Wind-Turbine/
A Paper Plate and Pop Bottle Savonius Wind Turbine - More DIY How To Projects]]> http://cdn.instructables.com/FO2/EP5T/FX55749C/FO2EP5TFX55749C.SQUARE2.jpg http://cdn.instructables.com/FO2/EP5T/FX55749C/FO2EP5TFX55749C.SQUARE.jpg http://cdn.instructables.com/FO2/EP5T/FX55749C/FO2EP5TFX55749C.SMALL.jpg egbertfitzwilly Build a vertical axis windmill from cardboard and recycled pop bottles to experiment with wind power generation.Small wind turbines have lower energy output than commercial wind turbines, such as those found in wind farms. Commercial generators in the 5-50W range are available for boat or caravan us...
By: egbertfitzwilly

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Wed, 15 Jul 2009 20:09:56 PDT
How to Wire Batteries in Series (or in Parallel) http://www.instructables.com/id/How-to-Wire-Batteries-in-Series-or-in-Parallel/
How to Wire Batteries in Series (or in Parallel) - More DIY How To Projects]]> http://cdn.instructables.com/F6Q/OE3I/FX23VN6W/F6QOE3IFX23VN6W.SQUARE2.jpg http://cdn.instructables.com/F6Q/OE3I/FX23VN6W/F6QOE3IFX23VN6W.SQUARE.jpg http://cdn.instructables.com/F6Q/OE3I/FX23VN6W/F6QOE3IFX23VN6W.SMALL.jpg egbertfitzwilly Get the power you need from the power you have by wiring together different power sources to get the voltage or the current to drive your project.This is a simple insructable which will graphically demonstrate how to wire multiple power sources together to get the voltage and current you need for yo...
By: egbertfitzwilly

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Sun, 12 Jul 2009 22:54:13 PDT
Wireless temperature sensor http://www.instructables.com/id/Wireless-temperature-sensor/
Wireless temperature sensor - More DIY How To Projects]]> http://cdn.instructables.com/FJW/C5RT/FVMV5XDA/FJWC5RTFVMV5XDA.SQUARE2.jpg http://cdn.instructables.com/FJW/C5RT/FVMV5XDA/FJWC5RTFVMV5XDA.SQUARE.jpg http://cdn.instructables.com/FJW/C5RT/FVMV5XDA/FJWC5RTFVMV5XDA.SMALL.jpg Richaarddd Consisting of 2 circuitsOne reads the temperature using a DS18B20 and then transmitts it over the radio waves.The other receives the data and displays it.I've not fully tested the range yet, but I've had it working over 12 feet going through 2 walls.Transmitter Parts List:Picaxe 08mDS18B20 temp sens...
By: Richaarddd

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Wed, 3 Jun 2009 16:06:18 PDT
How to Create Laser Art with A Digital Camera http://www.instructables.com/id/How-to-Create-Laser-Art-with-A-Digital-Camera/
How to Create Laser Art with A Digital Camera - More DIY How To Projects]]> http://cdn.instructables.com/F5T/BCWX/FU6LTPY4/F5TBCWXFU6LTPY4.SQUARE2.jpg http://cdn.instructables.com/F5T/BCWX/FU6LTPY4/F5TBCWXFU6LTPY4.SQUARE.jpg http://cdn.instructables.com/F5T/BCWX/FU6LTPY4/F5TBCWXFU6LTPY4.SMALL.jpg JamecoElectronics Want to liven up your computer desktop or home page with catchy imagery? There are plenty of commercial images you can download, but a laser pointer and a digital camera will allow you to create original and spectacular desktop and home page background images that will make you the envy of the offic...
By: JamecoElectronics

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Tue, 5 May 2009 09:59:55 PDT
Make a Rogowski coil http://www.instructables.com/id/Make-a-Rogowski-coil/
Make a Rogowski coil - More DIY How To Projects]]> http://cdn.instructables.com/FZC/AOKL/FSK1CB0I/FZCAOKLFSK1CB0I.SQUARE2.jpg http://cdn.instructables.com/FZC/AOKL/FSK1CB0I/FZCAOKLFSK1CB0I.SQUARE.jpg http://cdn.instructables.com/FZC/AOKL/FSK1CB0I/FZCAOKLFSK1CB0I.SMALL.jpg rp181 What does a rogowski coil do? A rogowski coil is a usefull method of measuring the current that passes through a conductor, AC power or pulse power. A rogowski coil is a kind of current transformer, depending on the current passing through the center, the voltage output varies. This gives you useful...
By: rp181

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Sat, 21 Mar 2009 07:26:47 PDT
Diy bio-fuel battery http://www.instructables.com/id/Diy-bio-fuel-battery/
Diy bio-fuel battery - More DIY How To Projects]]> http://cdn.instructables.com/FAL/XVFQ/FS6PPZEW/FALXVFQFS6PPZEW.SQUARE2.jpg http://cdn.instructables.com/FAL/XVFQ/FS6PPZEW/FALXVFQFS6PPZEW.SQUARE.jpg http://cdn.instructables.com/FAL/XVFQ/FS6PPZEW/FALXVFQFS6PPZEW.SMALL.jpg knoxarama This instructable will show that acidic foods like fruit are tasty and electrical! harness the power of fruit! harness it! Materials these are cheap, reusable, and eco and digestive friendly materials. and shocking. fruit zinc bar copper bar multi meter the worthyness of fruit making the batter...
By: knoxarama

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Thu, 12 Mar 2009 15:30:11 PDT
How To Make A Tesla Turbine (Greenest Turbine) http://www.instructables.com/id/How-To-Make-A-Tesla-Turbine-Greenest-Turbine/
How To Make A Tesla Turbine (Greenest Turbine) - More DIY How To Projects]]> http://cdn.instructables.com/F06/OQC1/FRXW6YGT/F06OQC1FRXW6YGT.SQUARE2.jpg http://cdn.instructables.com/F06/OQC1/FRXW6YGT/F06OQC1FRXW6YGT.SQUARE.jpg http://cdn.instructables.com/F06/OQC1/FRXW6YGT/F06OQC1FRXW6YGT.SMALL.jpg CrazyMachinist94 If you like this instructable please vote for it in the Epilog Challenge coming up. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do. I hope you enjoy and please rate and vote. This Instructable will show you how to c...
By: CrazyMachinist94

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Tue, 10 Mar 2009 17:56:00 PDT
High voltage ignition coil supply http://www.instructables.com/id/High-voltage-ignition-coil-supply/
High voltage ignition coil supply - More DIY How To Projects]]> http://cdn.instructables.com/FVF/H33X/FRXW62NF/FVFH33XFRXW62NF.SQUARE2.jpg http://cdn.instructables.com/FVF/H33X/FRXW62NF/FVFH33XFRXW62NF.SQUARE.jpg http://cdn.instructables.com/FVF/H33X/FRXW62NF/FVFH33XFRXW62NF.SMALL.jpg skuitarman In this Instructable I will teach you how to build a High voltage power supply using an Ignition Coil.This project uses a 555 timer based circuit.We use a 555 IC because an ignition coil needs a squire wave signal to power it. so basically the 555 timer is making pulsed DC electricity which powers t...
By: skuitarman

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Mon, 2 Mar 2009 13:08:36 PST
Real-time Web Based Household Power Usage Monitor http://www.instructables.com/id/Real-time-Web-Based-Household-Power-Usage-Monitor/
Real-time Web Based Household Power Usage Monitor - More DIY How To Projects]]> http://cdn.instructables.com/FQZ/FJ4I/FPWWWQO0/FQZFJ4IFPWWWQO0.SQUARE2.jpg http://cdn.instructables.com/FQZ/FJ4I/FPWWWQO0/FQZFJ4IFPWWWQO0.SQUARE.jpg http://cdn.instructables.com/FQZ/FJ4I/FPWWWQO0/FQZFJ4IFPWWWQO0.SMALL.jpg jasonT This Instructable details a real-time web based household power usage monitor. The end result is a live chart in a web page that updates every 10 seconds with the instantaneous power usage for my entire house. The electrical current is measured on the main lines entering my home with AC clamps. The ...
By: jasonT

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Tue, 20 Jan 2009 19:06:23 PST
Office Stationary Warfare- High Powered Mini Water Rocket from Marker Pen http://www.instructables.com/id/Meatball-stew/
Office Stationary Warfare- High Powered Mini Water Rocket from Marker Pen - More DIY How To Projects]]> http://cdn.instructables.com/FKX/7JQ9/FPQL8HKB/FKX7JQ9FPQL8HKB.SQUARE2.jpg http://cdn.instructables.com/FKX/7JQ9/FPQL8HKB/FKX7JQ9FPQL8HKB.SQUARE.jpg http://cdn.instructables.com/FKX/7JQ9/FPQL8HKB/FKX7JQ9FPQL8HKB.SMALL.jpg Lftndbt Be one of the first to build The Worlds Smallest Water Rocket. It's so small you can fit it in your pocket, launcher and all! Impress your friends and family with this neat and inexpensive High Powered Miniature Water Rocket.I have named this rocket (As all good rockets should.) TITAN the HPMWR.Joi...
By: Lftndbt

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Thu, 15 Jan 2009 20:10:31 PST
Assembling the GEK gasifier and preparing for fire http://www.instructables.com/id/Assembling-the-GEK-gasifier-and-preparing-for-fire/
Assembling the GEK gasifier and preparing for fire - More DIY How To Projects]]> http://cdn.instructables.com/FML/MDHX/FPIOLKEZ/FMLMDHXFPIOLKEZ.SQUARE2.jpg http://cdn.instructables.com/FML/MDHX/FPIOLKEZ/FMLMDHXFPIOLKEZ.SQUARE.jpg http://cdn.instructables.com/FML/MDHX/FPIOLKEZ/FMLMDHXFPIOLKEZ.SMALL.jpg jimmason This project is part of a series of instructables from ALL Power Labs showing how to create aHonda Accord that runs on trash. (note two years later.  there are much improved plans for building the GEK wood gasifier.  see http://www.gekgasifier.com for the most recently updated plans) This portion o...
By: jimmason

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Mon, 5 Jan 2009 09:19:52 PST
Building the GEK Gasifier in seven parts http://www.instructables.com/id/Building-the-GEK-Gasifier-in-seven-parts/
Building the GEK Gasifier in seven parts - More DIY How To Projects]]> http://cdn.instructables.com/FOL/ZZXR/FP8NMG4K/FOLZZXRFP8NMG4K.SQUARE2.jpg http://cdn.instructables.com/FOL/ZZXR/FP8NMG4K/FOLZZXRFP8NMG4K.SQUARE.jpg http://cdn.instructables.com/FOL/ZZXR/FP8NMG4K/FOLZZXRFP8NMG4K.SMALL.jpg jimmason This project is part of a series of instructables from ALL Power Labs showing how to create a Honda Accord that runs on wood gas. This project is entered in the Craftsman contest, if you like this project I hope you will consider voting for it. Just click the "Honda Accord" link above to go to the ...
By: jimmason

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Sun, 4 Jan 2009 23:47:31 PST
How to Have a Lucid Dream http://www.instructables.com/id/How-to-have-a-Lucid-Dream/
How to Have a Lucid Dream - More DIY How To Projects]]> http://cdn.instructables.com/FRL/AVE5/FQJZHK30/FRLAVE5FQJZHK30.SQUARE2.jpg http://cdn.instructables.com/FRL/AVE5/FQJZHK30/FRLAVE5FQJZHK30.SQUARE.jpg http://cdn.instructables.com/FRL/AVE5/FQJZHK30/FRLAVE5FQJZHK30.SMALL.jpg gallimaufry13 Lucid dreaming allows you to have complete control over the events that occur in your dreams. You are able to experience anything you can imagine without any consequence. Since emotions and everyday, logical thinking are more relaxed and less interfering in dreams, lucid dreaming can even serve as a...
By: gallimaufry13

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Wed, 22 Oct 2008 13:15:01 PDT
V10 (vawt,savonius,vertical axis,windturbine,ametek) http://www.instructables.com/id/V10_vawtsavoniusvertical_axiswindturbineamete/
V10 (vawt,savonius,vertical axis,windturbine,ametek) - More DIY How To Projects]]> http://cdn.instructables.com/FJJ/CZZU/FLE1AN0M/FJJCZZUFLE1AN0M.SQUARE2.jpg http://cdn.instructables.com/FJJ/CZZU/FLE1AN0M/FJJCZZUFLE1AN0M.SQUARE.jpg http://cdn.instructables.com/FJJ/CZZU/FLE1AN0M/FJJCZZUFLE1AN0M.SMALL.jpg faroun http://www.vawt.tk Here we go again, building another vawt.With this one I am hoping to get the 100 watts.Here is how I did it.First we need:--5 pvc tube. size 3"X10' (hardware store)$48--3 bike wheels. size 12" (junk yard or ask your kid to use their bikes for a minute) maybe $5--Ametek38 volt (eba...
By: faroun

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Sun, 21 Sep 2008 14:24:19 PDT
portable lightning take 2 http://www.instructables.com/id/portable-lighting-take-2/
portable lightning take 2 - More DIY How To Projects]]> http://cdn.instructables.com/FDA/T55Z/FKXHWYD9/FDAT55ZFKXHWYD9.SQUARE2.jpg http://cdn.instructables.com/FDA/T55Z/FKXHWYD9/FDAT55ZFKXHWYD9.SQUARE.jpg http://cdn.instructables.com/FDA/T55Z/FKXHWYD9/FDAT55ZFKXHWYD9.SMALL.jpg robot797 this is the 2nd try of my portable lightning. 1st 1 i screwed up (damm camera) but now the pictures are better (not all but most of them). but 1 warning there are high voltages here you cant kill yu with it (i hope) but it does hurt (zaped myself a vew times) do not touch anny of the blank wires ...
By: robot797

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Wed, 10 Sep 2008 13:27:18 PDT
Optics experiments on the cheap http://www.instructables.com/id/Optics-experiments-on-the-cheap/ http://cdn.instructables.com/FYJ/YCD0/FKOF7I42/FYJYCD0FKOF7I42.SQUARE2.jpg http://cdn.instructables.com/FYJ/YCD0/FKOF7I42/FYJYCD0FKOF7I42.SQUARE.jpg http://cdn.instructables.com/FYJ/YCD0/FKOF7I42/FYJYCD0FKOF7I42.SMALL.jpg gaiatechnician This video shows a simple way to test your optics for solar reflectors before you make them. I tried (and failed) to find software to do this.Perhaps it is a good thing that I failed! You can find info about compound parabolics at http://www.fossilfreedom.com/increase-output.html and at http://ww...
By: gaiatechnician

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Wed, 3 Sep 2008 20:45:11 PDT
Cardboard Savonius Wind Turbine http://www.instructables.com/id/Cardboard-Savonius-turbine/
Cardboard Savonius Wind Turbine - More DIY How To Projects]]> http://cdn.instructables.com/FZK/58IV/FCEIM1LP/FZK58IVFCEIM1LP.SQUARE2.jpg http://cdn.instructables.com/FZK/58IV/FCEIM1LP/FZK58IVFCEIM1LP.SQUARE.jpg http://cdn.instructables.com/FZK/58IV/FCEIM1LP/FZK58IVFCEIM1LP.SMALL.jpg rhackenb Goal: build a Savonius wind turbine made out of cardboard to see whatworks. This is for the turbine only and not the generator itself. The main photo you see is the goal.The need for a working model grew out of frustration trying tojury-rig various designs of a Savonius turbine that in the end wou...
By: rhackenb

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Sat, 16 Feb 2008 14:42:34 PST
How to clean a laser pointer lens http://www.instructables.com/id/How-to-clean-a-laser-pointer-lens/
How to clean a laser pointer lens - More DIY How To Projects]]> http://cdn.instructables.com/FMM/E4V6/FCEIJ3BZ/FMME4V6FCEIJ3BZ.SQUARE2.jpg http://cdn.instructables.com/FMM/E4V6/FCEIJ3BZ/FMME4V6FCEIJ3BZ.SQUARE.jpg http://cdn.instructables.com/FMM/E4V6/FCEIJ3BZ/FMME4V6FCEIJ3BZ.SMALL.jpg grannybasher A very common problem with laser pointers and lasers in general that is easy to fix is dirty lens. I'll briefly explain the two safest and effective methods to clean laser pointer lens.The equipment used in these instructions areA Viper 95mW from Dragonlasers at http://www.dragonlasers.comA lenspen ...
By: grannybasher

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Sun, 10 Feb 2008 23:28:18 PST
The Penny Battery http://www.instructables.com/id/The-Penny-Battery/
The Penny Battery - More DIY How To Projects]]> http://cdn.instructables.com/FJ9/0OSC/F4DEPVVJ/FJ90OSCF4DEPVVJ.SQUARE2.jpg http://cdn.instructables.com/FJ9/0OSC/F4DEPVVJ/FJ90OSCF4DEPVVJ.SQUARE.jpg http://cdn.instructables.com/FJ9/0OSC/F4DEPVVJ/FJ90OSCF4DEPVVJ.SMALL.jpg Tool Using Animal This is a derivation of brenn10's battery based on a comment by westfw, mainly because I wanted to see if it would work. Either watch a lame video, of continue reading. Wacha wacha gonna need? sandpaper post 1982 pennies wire & solder soldering iron cardboard lemon juice led prep the pennie...
By: Tool Using Animal

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Sat, 21 Jul 2007 09:47:39 PDT
Easter Egg Anemometer (Wind Speed Meter) http://www.instructables.com/id/Easter-Egg-Anemometer-Wind-Speed-Meter/
Easter Egg Anemometer (Wind Speed Meter) - More DIY How To Projects]]> http://cdn.instructables.com/FMQ/1UEZ/NIWEYF8MKAA/FMQ1UEZNIWEYF8MKAA.SQUARE2.jpg http://cdn.instructables.com/FMQ/1UEZ/NIWEYF8MKAA/FMQ1UEZNIWEYF8MKAA.SQUARE.jpg http://cdn.instructables.com/FMQ/1UEZ/NIWEYF8MKAA/FMQ1UEZNIWEYF8MKAA.SMALL.jpg robbtoberfest Easy homemade anemometer, this goes together quickly if you have the parts laying around. This is basically a mini wind generator; the spinning motor produces a current that a multimeter reads. Inspiration for this project comes from http://www.otherpower.com/ Ingredients: 1 cheap $3 analog multimet...
By: robbtoberfest

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Mon, 15 Jan 2007 17:41:20 PST