http://www.instructables.com Sun, 19 May 2013 00:50:51 PDT BLOX v1.01 http://www.instructables.com/id/Make-a-Pencils-Lead-Potentiometer-Experimentatio/
Make a Pencil's Lead Potentiometer (Experimentations) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FT2/0RDB/FYTCOYCS/FT20RDBFYTCOYCS.SQUARE2.jpg http://www.instructables.com/files/deriv/FT2/0RDB/FYTCOYCS/FT20RDBFYTCOYCS.SQUARE.jpg http://www.instructables.com/files/deriv/FT2/0RDB/FYTCOYCS/FT20RDBFYTCOYCS.SMALL.jpg Patented Here is a really simple experiment in witch you will make a Kind of potentiometer (Variable Resistor) out of a sheet of paper and a graphite pencil (Lead Pencil)... Impossible you think? Check it out!So first , What is a Potentiometer?Its not very complicated, to make it short, it's a kind of resi...
By: Patented

Continue Reading »]]> Wed, 26 Aug 2009 13:55:31 PDT http://www.instructables.com/id/Make-Sulfuric-acid-metabisulfiteoxidizer-method/ http://www.instructables.com/files/deriv/FII/ANLE/FWI9UZXO/FIIANLEFWI9UZXO.SQUARE2.jpg http://www.instructables.com/files/deriv/FII/ANLE/FWI9UZXO/FIIANLEFWI9UZXO.SQUARE.jpg http://www.instructables.com/files/deriv/FII/ANLE/FWI9UZXO/FIIANLEFWI9UZXO.SMALL.jpg NurdRage We make concentrated sulfuric acid from sodium metabisulfite, hydrochloric acid and an oxidant such as hydrogen peroxide or nitric acid.Warning: The procedures in this video produce large quantities of toxic gases and deal with highly corrosive acids. All work must be performed in a fume hood with p...
By: NurdRage

Continue Reading »]]> Sun, 28 Jun 2009 20:56:42 PDT http://www.instructables.com/id/How-to-Make-Sodium-Nitrate-A-Potassium-Nitrate-Su/ http://www.instructables.com/files/deriv/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SQUARE2.jpg http://www.instructables.com/files/deriv/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SQUARE.jpg http://www.instructables.com/files/deriv/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SMALL.jpg NurdRage How to make sodium nitrate, which can substitute for potassium nitrate for most purposes.Note: Sodium Nitrate is somewhat hygroscopic. Stuff you make from it such as pyrotechnic compositions should be used soon after making and not stored for extended periods of time.WARNING: Both procedures produce...
By: NurdRage

Continue Reading »]]> Tue, 14 Apr 2009 10:46:23 PDT http://www.instructables.com/id/How-to-Make-Potassium-Nitrate/ http://www.instructables.com/files/deriv/FT0/B1AZ/FT7PTWAK/FT0B1AZFT7PTWAK.SQUARE2.jpg http://www.instructables.com/files/deriv/FT0/B1AZ/FT7PTWAK/FT0B1AZFT7PTWAK.SQUARE.jpg http://www.instructables.com/files/deriv/FT0/B1AZ/FT7PTWAK/FT0B1AZFT7PTWAK.SMALL.jpg NurdRage Make Potassium Nitrate from Instant Cold Packs and Potassium HydroxideWarning: This reaction will produce large quantities of toxic ammonia gas. Perform the reaction outside or in a fume hood. Potassium hydroxide is highly corrosive; wear gloves when working with it.Some instant cold packs contain a...
By: NurdRage

Continue Reading »]]> Sun, 5 Apr 2009 10:11:26 PDT http://www.instructables.com/id/How-to-Make-Iodine-from-Sulfuric-acid-and-an-Alkal/ http://www.instructables.com/files/deriv/F1W/UD5W/FSSIKVYC/F1WUD5WFSSIKVYC.SQUARE2.jpg http://www.instructables.com/files/deriv/F1W/UD5W/FSSIKVYC/F1WUD5WFSSIKVYC.SQUARE.jpg http://www.instructables.com/files/deriv/F1W/UD5W/FSSIKVYC/F1WUD5WFSSIKVYC.SMALL.jpg NurdRage How to make elemental iodine from sulfuric acid and sodium or potassium iodide.Warning: Reaction must be done outside or in a fumehood due to production of toxic gases including hydrogen sulfide. Concentrated sulfuric acid is extremely corrosive and dangerous and should be handled in glass container...
By: NurdRage

Continue Reading »]]> Sun, 29 Mar 2009 17:39:22 PDT http://www.instructables.com/id/How-To-Make-Slime-Method-2-3/ http://www.instructables.com/files/deriv/FI5/KL8L/FS8O27MD/FI5KL8LFS8O27MD.SQUARE2.jpg http://www.instructables.com/files/deriv/FI5/KL8L/FS8O27MD/FI5KL8LFS8O27MD.SQUARE.jpg http://www.instructables.com/files/deriv/FI5/KL8L/FS8O27MD/FI5KL8LFS8O27MD.SMALL.jpg sciencebob.com More Slime Fun!A little glue, a little water, a little borax, and a lot of science fun. Turn your kitchen into a science lab today by mixing up a batch of this silly putty-like slime. Guaranteed to bring some science excitment to a rainy day or boring afternoon. Full step by step instructions can b...
By: sciencebob.com

Continue Reading »]]> Fri, 13 Mar 2009 11:22:44 PDT http://www.instructables.com/id/How-To-Make-Slime-Method-1-2/ http://www.instructables.com/files/deriv/F49/TJEM/FS8O27JC/F49TJEMFS8O27JC.SQUARE2.jpg http://www.instructables.com/files/deriv/F49/TJEM/FS8O27JC/F49TJEMFS8O27JC.SQUARE.jpg http://www.instructables.com/files/deriv/F49/TJEM/FS8O27JC/F49TJEMFS8O27JC.SMALL.jpg sciencebob.com Use Liquid Starch to Make Gooey Slime.This one is easy. Just mix equal parts of glue and water and then add an equal part of liquid starch. Just like that you have gooey slime. The more you play with it the more fun it becomes. This acclivity causes the polymer chains in the glue to cross link with ...
By: sciencebob.com

Continue Reading »]]> Fri, 13 Mar 2009 11:15:32 PDT http://www.instructables.com/id/Old-School-Street-Hustler-Trick/ http://www.instructables.com/files/deriv/FNZ/4HR6/FEG407SR/FNZ4HR6FEG407SR.SQUARE2.jpg http://www.instructables.com/files/deriv/FNZ/4HR6/FEG407SR/FNZ4HR6FEG407SR.SQUARE.jpg http://www.instructables.com/files/deriv/FNZ/4HR6/FEG407SR/FNZ4HR6FEG407SR.SMALL.jpg funpartytricks Find the queen where is she hiding. Truly amazing Card trick. Use this Card trick to hustle your friends. A Great Card trick. This Card Trick will impress anyone. With this cool Card Trick you can win some money or beers. This Card Trick will impress anyone! Make a bet with this Card Trick and make ...
By: funpartytricks

Continue Reading »]]> Sun, 30 Mar 2008 21:34:41 PDT http://www.instructables.com/id/Homemade-Acetate-Heater-Pad/ http://www.instructables.com/files/deriv/FWN/C38K/FE3IPYMJ/FWNC38KFE3IPYMJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FWN/C38K/FE3IPYMJ/FWNC38KFE3IPYMJ.SQUARE.jpg http://www.instructables.com/files/deriv/FWN/C38K/FE3IPYMJ/FWNC38KFE3IPYMJ.SMALL.jpg loup226 Learn in this video how to make sodium acetate (hot ice experiment)with household item,and how to make heater pad re-usable more than 100time,give 45*c for 1 hour.
By: loup226

Continue Reading »]]> Sat, 22 Mar 2008 11:13:08 PDT http://www.instructables.com/id/Easy-Make-Elephants-Toothpaste/ http://www.instructables.com/files/deriv/FPI/YKDK/FD80OPCS/FPIYKDKFD80OPCS.SQUARE2.jpg http://www.instructables.com/files/deriv/FPI/YKDK/FD80OPCS/FPIYKDKFD80OPCS.SQUARE.jpg http://www.instructables.com/files/deriv/FPI/YKDK/FD80OPCS/FPIYKDKFD80OPCS.SMALL.jpg 1lpoock Make elephants toothpaste with materials around the house!
By: 1lpoock

Continue Reading »]]> Fri, 29 Feb 2008 15:08:49 PST http://www.instructables.com/id/How-to-Build-A-Walking-Robot---Passive-Walker/ http://cdn.instructables.com/F9I/R72P/FA0CV50Z/F9IR72PFA0CV50Z.SQUARE2.jpg http://cdn.instructables.com/F9I/R72P/FA0CV50Z/F9IR72PFA0CV50Z.SQUARE.jpg http://cdn.instructables.com/F9I/R72P/FA0CV50Z/F9IR72PFA0CV50Z.SMALL.jpg tycoyoken How to build a passive walker by PVC tubes, no battery required, I show you how to build 1 for just 8 bucks, very easy, just watch my video instruction. (a little slant and mat are required)
By: tycoyoken

Continue Reading »]]> Mon, 10 Dec 2007 07:39:02 PST http://www.instructables.com/id/Turkey-Time-Tesla-CD-Turbine/
SinkScience with the Tesla CD Turbine - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FJL/UGWY/F9056RTB/FJLUGWYF9056RTB.SQUARE2.jpg http://www.instructables.com/files/deriv/FJL/UGWY/F9056RTB/FJLUGWYF9056RTB.SQUARE.jpg http://www.instructables.com/files/deriv/FJL/UGWY/F9056RTB/FJLUGWYF9056RTB.SMALL.jpg mrfixitrick For this Instructable, I have tamed the wild beast "PumpkinCutter" CD Turbine of the last Instructable and made it into a fun, smooth and safe kitchen tool that runs on water faucet pressure! Basic Kitchen Model CD Turbine and Magnetic Coupler. http://www.youtube.com/watch?v=WFMqPWSpmTY This ...
By: mrfixitrick

Continue Reading »]]> Thu, 22 Nov 2007 02:12:13 PST