http://www.instructables.com Wed, 19 Jun 2013 00:53:18 PDT BLOX v1.01 http://www.instructables.com/id/DIY-Microbial-Fuel-Cell-easy/ http://www.instructables.com/files/deriv/FG3/3CR6/HH2VN7F4/FG33CR6HH2VN7F4.SQUARE2.jpg http://www.instructables.com/files/deriv/FG3/3CR6/HH2VN7F4/FG33CR6HH2VN7F4.SQUARE.jpg http://www.instructables.com/files/deriv/FG3/3CR6/HH2VN7F4/FG33CR6HH2VN7F4.SMALL.jpg paultnylund Let me know if you need any help building one of your own. My partner on the project was Marcia Rojas if you need to cite this. Please remember to vote for this Instructable in the Green Design Contest! Blueprint: http://goo.gl/Z3Nuf During our testing, we occasionally saw spikes of up to 6 volts ...
By: paultnylund

Continue Reading »]]> Mon, 27 May 2013 13:57:30 PDT http://www.instructables.com/id/kitchen-science-making-fireballs-in-your-hands/ http://www.instructables.com/files/deriv/FW9/2BAX/HFSHVZBV/FW92BAXHFSHVZBV.SQUARE2.jpg http://www.instructables.com/files/deriv/FW9/2BAX/HFSHVZBV/FW92BAXHFSHVZBV.SQUARE.jpg http://www.instructables.com/files/deriv/FW9/2BAX/HFSHVZBV/FW92BAXHFSHVZBV.SMALL.jpg scooterdad Have you always wanted to hold fire in your hands like a superhero ?  This video is a demonstration of how, with the use of some items from the kitchen you can hold flames in your hands, Its totally safe as long as you prescribe to the usual rules of kitchen science, Safety first,  Ensure the enviro...
By: scooterdad

Continue Reading »]]> Sun, 5 May 2013 06:29:05 PDT http://www.instructables.com/id/Thermoelectric-Fan-Driven-by-a-Candle/ http://www.instructables.com/files/deriv/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SQUARE2.jpg http://www.instructables.com/files/deriv/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SQUARE.jpg http://www.instructables.com/files/deriv/FAL/IAK8/HEXSGBOS/FALIAK8HEXSGBOS.SMALL.jpg Joohansson A Thermoelectric generator powered by a tealight. It started as an experiment of how much power I could get from one candle. But I liked the idea and it worked really well so I built this electric-mechanical ornament. I did not use a high temperature TEG-module, but instead a cheap TEC-module. That ...
By: Joohansson

Continue Reading »]]> Sat, 30 Mar 2013 03:04:10 PDT http://www.instructables.com/id/Happy-approximately-pi-day-March-22/ http://www.instructables.com/files/deriv/F8Y/2T0T/H01N7I2D/F8Y2T0TH01N7I2D.SQUARE2.jpg http://www.instructables.com/files/deriv/F8Y/2T0T/H01N7I2D/F8Y2T0TH01N7I2D.SQUARE.jpg http://www.instructables.com/files/deriv/F8Y/2T0T/H01N7I2D/F8Y2T0TH01N7I2D.SMALL.jpg alejandroerickson This is a little late for pi day, but March 22nd is the perfect day to post this approximation of Pi.  The man behind the calculation is Comte de Buffon, 1707-1788. To try this yourself you'll need a large-ish flat surface with parallel lines at regular intervals (same distances between them), and ...
By: alejandroerickson

Continue Reading »]]> Thu, 22 Mar 2012 10:39:34 PDT http://www.instructables.com/id/Smoke-Fume-Absorber/ http://cdn.instructables.com/F72/C5MX/GYEUL622/F72C5MXGYEUL622.SQUARE2.jpg http://cdn.instructables.com/F72/C5MX/GYEUL622/F72C5MXGYEUL622.SQUARE.jpg http://cdn.instructables.com/F72/C5MX/GYEUL622/F72C5MXGYEUL622.SMALL.jpg nchip A Long History The ancient Egyptians produced lead and other important metals like gold and silver as early as 5000 BC. In the Roman era, lead was used for coinage, jewelry and other everyday items including the production of Lead pipes for the transportation of water. Remarkably, many of these wate...
By: nchip

Continue Reading »]]> Thu, 9 Feb 2012 01:38:15 PST http://www.instructables.com/id/Electronic-security-code-lock-system/ http://www.instructables.com/files/deriv/F39/154D/GVCPQWZB/F39154DGVCPQWZB.SQUARE2.jpg http://www.instructables.com/files/deriv/F39/154D/GVCPQWZB/F39154DGVCPQWZB.SQUARE.jpg http://www.instructables.com/files/deriv/F39/154D/GVCPQWZB/F39154DGVCPQWZB.SMALL.jpg arshad.pathan Hi friends, This is a video for testing operations, your comments and suggestions are very helpful for next version of this system. If you have any idea we can work together for developing system. Here you can get information about hardware configuration, user operations and silent operations. Cont...
By: arshad.pathan

Continue Reading »]]> Thu, 24 Nov 2011 22:08:07 PST http://www.instructables.com/id/Still-Smoking-Watch-This-HQ-Short-Edition/ http://www.instructables.com/files/deriv/FZZ/YEAM/GH4X0TKZ/FZZYEAMGH4X0TKZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FZZ/YEAM/GH4X0TKZ/FZZYEAMGH4X0TKZ.SQUARE.jpg http://www.instructables.com/files/deriv/FZZ/YEAM/GH4X0TKZ/FZZYEAMGH4X0TKZ.SMALL.jpg Samimy This video shows how Tar is being extracted by machine using 400 high tar cigarettes.
By: Samimy

Continue Reading »]]> Tue, 30 Nov 2010 19:16:25 PST http://www.instructables.com/id/Make-Potassium-Chlorate-from-Bleach/ http://www.instructables.com/files/deriv/FZH/CT2A/FUPUPMI1/FZHCT2AFUPUPMI1.SQUARE2.jpg http://www.instructables.com/files/deriv/FZH/CT2A/FUPUPMI1/FZHCT2AFUPUPMI1.SQUARE.jpg http://www.instructables.com/files/deriv/FZH/CT2A/FUPUPMI1/FZHCT2AFUPUPMI1.SMALL.jpg NurdRage How to Make Potassium Chlorate from Bleach and sodium-free salt. Warning: This produces small amounts of chlorine gas, this should be done outside or in a fumehood. Potassium chlorate is a useful oxidizer and small amounts can be easily made using household chemicals. Start by boiling a large quan...
By: NurdRage

Continue Reading »]]> Thu, 26 Aug 2010 19:09:01 PDT http://www.instructables.com/id/Turn-Copper-Pennies-into-Silver-and-Gold-Chemistr/ http://www.instructables.com/files/deriv/FEY/BTMU/G9C6ZF01/FEYBTMUG9C6ZF01.SQUARE2.jpg http://www.instructables.com/files/deriv/FEY/BTMU/G9C6ZF01/FEYBTMUG9C6ZF01.SQUARE.jpg http://www.instructables.com/files/deriv/FEY/BTMU/G9C6ZF01/FEYBTMUG9C6ZF01.SMALL.jpg NurdRage In a display of alchemy we turn copper pennies into silver and finally to gold. Obviously it's a chemistry trick but still impressive. First we get 30g of zinc sulfate and dissolve it into 100mL of water. Zinc sulfate was made back in our video on making a copper sulfate and zinc battery: http://...
By: NurdRage

Continue Reading »]]> Thu, 20 May 2010 20:16:04 PDT http://www.instructables.com/id/How-to-Make-Ammonium-Nitrate/ http://www.instructables.com/files/deriv/F7C/G9AV/G8C3UJXC/F7CG9AVG8C3UJXC.SQUARE2.jpg http://www.instructables.com/files/deriv/F7C/G9AV/G8C3UJXC/F7CG9AVG8C3UJXC.SQUARE.jpg http://www.instructables.com/files/deriv/F7C/G9AV/G8C3UJXC/F7CG9AVG8C3UJXC.SMALL.gif NurdRage In this video we make ammonium nitrate from various off-the-shelf chemicals. Note: This is not cheaper than buying it directly, once again our objective is to explore the chemistry. Warning: The chemicals are corrosive and ammonia has a horrible smell, work outside or in a fumehood and wear gloves...
By: NurdRage

Continue Reading »]]> Sat, 24 Apr 2010 18:42:31 PDT http://www.instructables.com/id/Make-A-Cloud-Disappear/ http://www.instructables.com/files/deriv/FRS/K6BJ/G68GX1LA/FRSK6BJG68GX1LA.SQUARE2.jpg http://www.instructables.com/files/deriv/FRS/K6BJ/G68GX1LA/FRSK6BJG68GX1LA.SQUARE.jpg http://www.instructables.com/files/deriv/FRS/K6BJ/G68GX1LA/FRSK6BJG68GX1LA.SMALL.jpg signalred Using simple science create a cloud in a bottle then make it disappear. Very easy to perform. It's really fun to do. You definitely should try this one!
By: signalred

Continue Reading »]]> Mon, 1 Mar 2010 19:20:29 PST http://www.instructables.com/id/Gummy-Bear-Experiment-with-molten-Potassium-chlo-1/ http://www.instructables.com/files/deriv/F8H/V9P7/G5KPAFPK/F8HV9P7G5KPAFPK.SQUARE2.jpg http://www.instructables.com/files/deriv/F8H/V9P7/G5KPAFPK/F8HV9P7G5KPAFPK.SQUARE.jpg http://www.instructables.com/files/deriv/F8H/V9P7/G5KPAFPK/F8HV9P7G5KPAFPK.SMALL.jpg cforchemistryhd This is the gummy bear experiment which gummy bear is added to molten chlorate, in such oxygen-rich environment with sufficient temperature, gummy bear bursts into lilac flame vigorously when contac with molten chlorate. Both Gummy Bear and boiling tube sacrificed for this demonstration. Please rat...
By: cforchemistryhd

Continue Reading »]]> Fri, 12 Feb 2010 10:17:20 PST http://www.instructables.com/id/Negative-X-fire-starts-with-water-Zinc-Ammoniu-1/ http://www.instructables.com/files/deriv/FF9/RVR0/G4PBX2CA/FF9RVR0G4PBX2CA.SQUARE2.jpg http://www.instructables.com/files/deriv/FF9/RVR0/G4PBX2CA/FF9RVR0G4PBX2CA.SQUARE.jpg http://www.instructables.com/files/deriv/FF9/RVR0/G4PBX2CA/FF9RVR0G4PBX2CA.SMALL.jpg cforchemistryhd Please visit http://www.youtube.comCforChemistryHD for more! The famous fire starts with water experiment, in which Zinc powder, ammonium nitrate and sodium chloride mixed together. Chloride ion introduces the oxidation of Zinc and bursts into flame. Music: That's a Wrap by Kevin MacLeod @ incompe...
By: cforchemistryhd

Continue Reading »]]> Sat, 23 Jan 2010 11:23:02 PST http://www.instructables.com/id/Home-Experiment-Newtons-First-LawLaw-of-Inertia/ http://www.instructables.com/files/deriv/FPG/0ZY1/G4PBOPQD/FPG0ZY1G4PBOPQD.SQUARE2.jpg http://www.instructables.com/files/deriv/FPG/0ZY1/G4PBOPQD/FPG0ZY1G4PBOPQD.SQUARE.jpg http://www.instructables.com/files/deriv/FPG/0ZY1/G4PBOPQD/FPG0ZY1G4PBOPQD.SMALL.jpg ThirstForScience This is a variation of the classic pulling out the table cloth experiment. The pen cap can be substituted for anything small enough to fit inside of the bottle's neck. If you find it difficult, you can try using something that is shorter, such as a pebble. An object at rest tends to stay at rest an...
By: ThirstForScience

Continue Reading »]]> Sat, 23 Jan 2010 10:21:18 PST http://www.instructables.com/id/Stacking-Liquids-Home-Experiment/ http://www.instructables.com/files/deriv/FBD/6EPS/G4PBOPPE/FBD6EPSG4PBOPPE.SQUARE2.jpg http://www.instructables.com/files/deriv/FBD/6EPS/G4PBOPPE/FBD6EPSG4PBOPPE.SQUARE.jpg http://www.instructables.com/files/deriv/FBD/6EPS/G4PBOPPE/FBD6EPSG4PBOPPE.SMALL.jpg ThirstForScience An easy home experiment; create a tower of liquids. The liquids near the bottom are more dense while the objects on top are less dense. This can also be used to determine the relative density of solid objects. Place them in the container and see where they float. Check www.monkeyvsgravity.com for m...
By: ThirstForScience

Continue Reading »]]> Sat, 23 Jan 2010 10:10:24 PST http://www.instructables.com/id/Flying-Tea-Bag-Home-Science-Experiment/ http://www.instructables.com/files/deriv/FXE/U1AV/G4PBOPOB/FXEU1AVG4PBOPOB.SQUARE2.jpg http://www.instructables.com/files/deriv/FXE/U1AV/G4PBOPOB/FXEU1AVG4PBOPOB.SQUARE.jpg http://www.instructables.com/files/deriv/FXE/U1AV/G4PBOPOB/FXEU1AVG4PBOPOB.SMALL.jpg ThirstForScience BE CAREFUL WHERE YOU TRY THIS! PERFORM WITH ADULT SUPERVISION. Warm air rises. When the tea bag is burned, it fills with warm air. When the warm air rises it carries the tea bag with it. This is similar to how a hot air balloon works. Check out my website www.monkeyvsgravity.com or subscribe to my...
By: ThirstForScience

Continue Reading »]]> Sat, 23 Jan 2010 10:04:14 PST http://www.instructables.com/id/Make-SMASH-GLOW-Crystals/ http://cdn.instructables.com/FGN/TY3C/G43E4LQS/FGNTY3CG43E4LQS.SQUARE2.jpg http://cdn.instructables.com/FGN/TY3C/G43E4LQS/FGNTY3CG43E4LQS.SQUARE.jpg http://cdn.instructables.com/FGN/TY3C/G43E4LQS/FGNTY3CG43E4LQS.SMALL.jpg NurdRage In this video we make triboluminescent or smash-glow crystals. Triboluminescence is the phenomena where light is generated when something is rubbed or fractured. The exact mechanism by which triboluminescence works is still under investigation, but the best theories so far propose that the breaking...
By: NurdRage

Continue Reading »]]> Sun, 10 Jan 2010 02:07:27 PST http://www.instructables.com/id/Potassium-chlorate-and-sugar-initiated-by-Conc-Su/ http://www.instructables.com/files/deriv/FDJ/6WLO/G3TE15DY/FDJ6WLOG3TE15DY.SQUARE2.jpg http://www.instructables.com/files/deriv/FDJ/6WLO/G3TE15DY/FDJ6WLOG3TE15DY.SQUARE.jpg http://www.instructables.com/files/deriv/FDJ/6WLO/G3TE15DY/FDJ6WLOG3TE15DY.SMALL.jpg cforchemistryhd Please al visit www.youtube.com/CforChemistryHD for more upcoming videos! How to: 1. Mix sugar and potassium chlorate 2. Add concentrated sufuric acid to the mixture. This reaction produce purplish flame when Conc. suulfuric acid is added to the mixture. The principle behind the initiation could b...
By: cforchemistryhd

Continue Reading »]]> Sun, 3 Jan 2010 10:20:13 PST http://www.instructables.com/id/Make-A-Gravity-Soda-Holder/ http://www.instructables.com/files/deriv/FTW/HLVA/G3E2GAF9/FTWHLVAG3E2GAF9.SQUARE2.jpg http://www.instructables.com/files/deriv/FTW/HLVA/G3E2GAF9/FTWHLVAG3E2GAF9.SQUARE.jpg http://www.instructables.com/files/deriv/FTW/HLVA/G3E2GAF9/FTWHLVAG3E2GAF9.SMALL.jpg signalred Learn how to make this cool gravity soda holder. Great conversation piece! Look for the plans at the end of the video. Pause to write them down. Very simple to make.
By: signalred

Continue Reading »]]> Sat, 19 Dec 2009 21:38:44 PST http://www.instructables.com/id/How-to-Make-Phosphorescent-Glow-in-the-Dark-Powd/ http://www.instructables.com/files/deriv/FZE/DYHV/G33OQ8ON/FZEDYHVG33OQ8ON.SQUARE2.jpg http://www.instructables.com/files/deriv/FZE/DYHV/G33OQ8ON/FZEDYHVG33OQ8ON.SQUARE.jpg http://www.instructables.com/files/deriv/FZE/DYHV/G33OQ8ON/FZEDYHVG33OQ8ON.SMALL.jpg NurdRage How to make phosphorescent glow in the dark powder. Also known as luminescent, photoluminescent or simply glow powder. Warning: This experiment uses mildly toxic chemicals, wear gloves when handling them. In addition, the combustion reaction must be performed outside or in a fume-hood due to the res...
By: NurdRage

Continue Reading »]]> Sun, 13 Dec 2009 16:51:36 PST http://www.instructables.com/id/Make-A-Perpetual-Spinner/ http://www.instructables.com/files/deriv/F06/7SEO/G2HE0AMT/F067SEOG2HE0AMT.SQUARE2.jpg http://www.instructables.com/files/deriv/F06/7SEO/G2HE0AMT/F067SEOG2HE0AMT.SQUARE.jpg http://www.instructables.com/files/deriv/F06/7SEO/G2HE0AMT/F067SEOG2HE0AMT.SMALL.jpg signalred Using a few simple items and a little science, create a perpetual spinner. Fun for kids!
By: signalred

Continue Reading »]]> Tue, 1 Dec 2009 19:36:57 PST http://www.instructables.com/id/Thunder-in-a-Test-tube-with-Ethanol-and-Acetone/ http://www.instructables.com/files/deriv/FGC/ODWW/G1QVZ2VP/FGCODWWG1QVZ2VP.SQUARE2.jpg http://www.instructables.com/files/deriv/FGC/ODWW/G1QVZ2VP/FGCODWWG1QVZ2VP.SQUARE.jpg http://www.instructables.com/files/deriv/FGC/ODWW/G1QVZ2VP/FGCODWWG1QVZ2VP.SMALL.jpg cforchemistry This reaction is called "Thunder in a Test tube", sometimes "Testube Thunderstorm", simply becuase internal combustions of ethanol ,acetone (or other similar flammable organic liquid), producing sound, light similar to that of lightning, and the unexpectable result of it.Please rate, comment and sub...
By: cforchemistry

Continue Reading »]]> Sat, 7 Nov 2009 10:01:29 PST http://www.instructables.com/id/Gummy-Bear-Experiment-with-molten-Potassium-chlo/ http://www.instructables.com/files/deriv/FET/CTM7/G1BB7V66/FETCTM7G1BB7V66.SQUARE2.jpg http://www.instructables.com/files/deriv/FET/CTM7/G1BB7V66/FETCTM7G1BB7V66.SQUARE.jpg http://www.instructables.com/files/deriv/FET/CTM7/G1BB7V66/FETCTM7G1BB7V66.SMALL.jpg cforchemistry This is the gummy bear experiment which gummy bear is added to molten chlorate, in such oxygen-rich environment with sufficient temperature, gummy bear bursts into lilac flame vigorously when contac with molten chlorate. Both Gummy Bear and boiling tube sacrificed for this demonstration. Please rat...
By: cforchemistry

Continue Reading »]]> Thu, 29 Oct 2009 10:59:59 PDT http://www.instructables.com/id/Determine-the-Enthalpy-change-in-hydration-of-Anhy/ http://www.instructables.com/files/deriv/FV4/7NXW/G1BBBXAD/FV47NXWG1BBBXAD.SQUARE2.jpg http://www.instructables.com/files/deriv/FV4/7NXW/G1BBBXAD/FV47NXWG1BBBXAD.SQUARE.jpg http://www.instructables.com/files/deriv/FV4/7NXW/G1BBBXAD/FV47NXWG1BBBXAD.SMALL.jpg cforchemistry This is a video about how to determine the Enthalpy of hydration, I take Magnesium sulfate as an example to illustrate how it is determined. Hydrated MgSO4 and Anhydrous MgSO4 is dissolved seperately and temperature change is recorded, DeltaH of Anhydrous MgSO4 - DeltaH of Hydrated MgSO4 = Enthalpy ...
By: cforchemistry

Continue Reading »]]> Wed, 28 Oct 2009 06:41:33 PDT http://www.instructables.com/id/DIY-Portable-Magnetic-stirrer-in-action/ http://www.instructables.com/files/deriv/FBT/LQ6J/G145R6GW/FBTLQ6JG145R6GW.SQUARE2.jpg http://www.instructables.com/files/deriv/FBT/LQ6J/G145R6GW/FBTLQ6JG145R6GW.SQUARE.jpg http://www.instructables.com/files/deriv/FBT/LQ6J/G145R6GW/FBTLQ6JG145R6GW.SMALL.jpg cforchemistry This is a stirrer I made previously for my experiment, it is a very common apparatus in laboratory.Although I have the commercial one, I made this to serve the demonstration where portability is critical. I hope you can get an idea how a magnetic stirrer work, and eventually get some inspiration if ...
By: cforchemistry

Continue Reading »]]> Fri, 23 Oct 2009 06:27:56 PDT http://www.instructables.com/id/Potassium-chlorate-and-sugar-initiated-by-Con-Sul/ http://www.instructables.com/files/deriv/FH3/DQ46/G0Y6U94H/FH3DQ46G0Y6U94H.SQUARE2.jpg http://www.instructables.com/files/deriv/FH3/DQ46/G0Y6U94H/FH3DQ46G0Y6U94H.SQUARE.jpg http://www.instructables.com/files/deriv/FH3/DQ46/G0Y6U94H/FH3DQ46G0Y6U94H.SMALL.jpg cforchemistry Our channel has moved to www.youtube.com/cforchemistryHD
By: cforchemistry

Continue Reading »]]> Sat, 17 Oct 2009 11:15:45 PDT http://www.instructables.com/id/quotNegative-Xquot-How-to-make-fire-with-water/ http://www.instructables.com/files/deriv/FL0/D3GZ/G4PBOW9G/FL0D3GZG4PBOW9G.SQUARE2.jpg http://www.instructables.com/files/deriv/FL0/D3GZ/G4PBOW9G/FL0D3GZG4PBOW9G.SQUARE.jpg http://www.instructables.com/files/deriv/FL0/D3GZ/G4PBOW9G/FL0D3GZG4PBOW9G.SMALL.jpg cforchemistry It has been moved to http://www.youtube.com/CforChemistryHD
By: cforchemistry

Continue Reading »]]> Sun, 4 Oct 2009 10:11:54 PDT http://www.instructables.com/id/quotVolcanoquot-Experiment-with-Ammonium-dichr/ http://www.instructables.com/files/deriv/FD9/E3UM/G068LJEC/FD9E3UMG068LJEC.SQUARE2.jpg http://www.instructables.com/files/deriv/FD9/E3UM/G068LJEC/FD9E3UMG068LJEC.SQUARE.jpg http://www.instructables.com/files/deriv/FD9/E3UM/G068LJEC/FD9E3UMG068LJEC.SMALL.jpg cforchemistry It is a decompostion reaction, of Ammonium dichromate, this reaction produce steam, Nitrogen gas and Chromium(III) oxide. The decomposition produce large amount of solid, which seems to be a Volcano eruption, hence this is called "Volcano" Experiment.Watch more at http://www.youtube.com/cforchemistr...
By: cforchemistry

Continue Reading »]]> Sun, 27 Sep 2009 09:12:28 PDT http://www.instructables.com/id/Dehydration-of-sugar-by-conc-Sulfuric-acid/ http://www.instructables.com/files/deriv/FNO/IFPY/G068LJEF/FNOIFPYG068LJEF.SQUARE2.jpg http://www.instructables.com/files/deriv/FNO/IFPY/G068LJEF/FNOIFPYG068LJEF.SQUARE.jpg http://www.instructables.com/files/deriv/FNO/IFPY/G068LJEF/FNOIFPYG068LJEF.SMALL.jpg cforchemistry It is very common reaction which demonstrates the dehydrating and oxidizing properties of conc. Sulfuric acid. Sugar is first dehydrated to elemental Carbon and steam, Carbon is further oxidized to Carbon dioxide, sulfur dioxide also produced by reduction of SO4 2-.Watch more at http://www.youtube.c...
By: cforchemistry

Continue Reading »]]> Sun, 27 Sep 2009 08:26:00 PDT http://www.instructables.com/id/quotElephant-Toothpastequot-with-Potassium-per/ http://cdn.instructables.com/FUA/60JC/FZNHOMJ8/FUA60JCFZNHOMJ8.SQUARE2.jpg http://cdn.instructables.com/FUA/60JC/FZNHOMJ8/FUA60JCFZNHOMJ8.SQUARE.jpg http://cdn.instructables.com/FUA/60JC/FZNHOMJ8/FUA60JCFZNHOMJ8.SMALL.jpg cforchemistry It is a experiment similar to Experiment #2, decomposition of Hydrogen peroxide generate Oxygen, which turns detergent into foam. It is so called "Elephant Toothpaste" because the foam is so much, and come out from beaker just like squeezing out toothpaste.Please rate, comment and subscribe for more...
By: cforchemistry

Continue Reading »]]> Wed, 16 Sep 2009 07:04:37 PDT http://www.instructables.com/id/quotInstant-Cappuccinoquot-with-Hydrogen-perox/ http://www.instructables.com/files/deriv/FKH/ZU7T/FZHLB958/FKHZU7TFZHLB958.SQUARE2.jpg http://www.instructables.com/files/deriv/FKH/ZU7T/FZHLB958/FKHZU7TFZHLB958.SQUARE.jpg http://www.instructables.com/files/deriv/FKH/ZU7T/FZHLB958/FKHZU7TFZHLB958.SMALL.jpg cforchemistry A reaction between Potassium permanganate (KMnO4) and Hydrogen peroxide (H2O2) , in which detergent take the advantage of the Effervescence effect to create foam. Noted that Permanganate stinks the foam to brown, and the reaction is exothermic, which makes this reaction seems to be making "Cappuccin...
By: cforchemistry

Continue Reading »]]> Tue, 15 Sep 2009 08:05:22 PDT http://www.instructables.com/id/Decomposition-of-Hydrogen-peroxide-by-Potassium-pe/ http://www.instructables.com/files/deriv/FA1/OFKX/FZHLAUDH/FA1OFKXFZHLAUDH.SQUARE2.jpg http://www.instructables.com/files/deriv/FA1/OFKX/FZHLAUDH/FA1OFKXFZHLAUDH.SQUARE.jpg http://www.instructables.com/files/deriv/FA1/OFKX/FZHLAUDH/FA1OFKXFZHLAUDH.SMALL.jpg cforchemistry It is a reaction between 50% Hydrogen peroxide (H2O2) and Potassium permanganate (KMnO4) . It is a very vigorous reaction which steam (H2O) and Oxygen (O2) are the desired products, side products include Manganese(IV) oxide (MnO2) and trace amount of Potassium compound.Please rate, comment and subsc...
By: cforchemistry

Continue Reading »]]> Mon, 14 Sep 2009 03:48:29 PDT http://www.instructables.com/id/Make-a-Test-Tube-Thunderstorm/ http://www.instructables.com/files/deriv/FB0/8HT6/FYIZ4XF7/FB08HT6FYIZ4XF7.SQUARE2.jpg http://www.instructables.com/files/deriv/FB0/8HT6/FYIZ4XF7/FB08HT6FYIZ4XF7.SQUARE.jpg http://www.instructables.com/files/deriv/FB0/8HT6/FYIZ4XF7/FB08HT6FYIZ4XF7.SMALL.jpg NurdRage In this cool science experiment we make a thunderstorm in a test tube using alcohol, sulfuric acid and potassium permanganate.WARNING:This experiment is extremely dangerous as it involves corrosive acids and flammable liquids with a small, but not negligible, chance of a damaging explosion. Face shi...
By: NurdRage

Continue Reading »]]> Thu, 20 Aug 2009 21:45:50 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/Science-Experiment-Inflate-a-Balloon-with-Vinegar/ http://www.instructables.com/files/deriv/FNY/4NU3/FWA9BS68/FNY4NU3FWA9BS68.SQUARE2.jpg http://www.instructables.com/files/deriv/FNY/4NU3/FWA9BS68/FNY4NU3FWA9BS68.SQUARE.jpg http://www.instructables.com/files/deriv/FNY/4NU3/FWA9BS68/FNY4NU3FWA9BS68.SMALL.jpg sciencebob.com http://www.sciencebob.com has all the instructions to create this balloon inflating contraption that uses the chemical reaction of vinegar and baking soda. Try it out and have fun!
By: sciencebob.com

Continue Reading »]]> Tue, 23 Jun 2009 16:29:11 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/Make-an-Erupting-Volcano-Safe/ http://www.instructables.com/files/deriv/FZ3/K1JR/FS8O27KX/FZ3K1JRFS8O27KX.SQUARE2.jpg http://www.instructables.com/files/deriv/FZ3/K1JR/FS8O27KX/FZ3K1JRFS8O27KX.SQUARE.jpg http://www.instructables.com/files/deriv/FZ3/K1JR/FS8O27KX/FZ3K1JRFS8O27KX.SMALL.jpg sciencebob.com This is a classic experiment and it is very easy to do at home. So after you watch it - TRY IT! All you need is some kind of volcano that you can make, and then a little vinegar and some baking soda from the supermarket. This demonstration shows an acid base reaction. In this kind of reaction, the a...
By: sciencebob.com

Continue Reading »]]> Fri, 13 Mar 2009 11:19:39 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/How-To-Make-A-Lava-Lamp-Easy/ http://www.instructables.com/files/deriv/F1K/YB1O/FS8O27D4/F1KYB1OFS8O27D4.SQUARE2.jpg http://www.instructables.com/files/deriv/F1K/YB1O/FS8O27D4/F1KYB1OFS8O27D4.SQUARE.jpg http://www.instructables.com/files/deriv/F1K/YB1O/FS8O27D4/F1KYB1OFS8O27D4.SMALL.jpg sciencebob.com The World's Easiest Lava Lamp.This is an easy, fun science activity that is great for any age. In fact, our video crew eneded up taking the extra bottles home to show their friends. It is also a great demonstration of liquid density, the release of gases in a chemical reaction, acids and bases, int...
By: sciencebob.com

Continue Reading »]]> Fri, 13 Mar 2009 11:05:38 PDT http://www.instructables.com/id/The-Amazing-Levitating-Orb-Static-Powered/ http://www.instructables.com/files/deriv/FVX/DYCH/FS8O17BX/FVXDYCHFS8O17BX.SQUARE2.jpg http://www.instructables.com/files/deriv/FVX/DYCH/FS8O17BX/FVXDYCHFS8O17BX.SQUARE.jpg http://www.instructables.com/files/deriv/FVX/DYCH/FS8O17BX/FVXDYCHFS8O17BX.SMALL.jpg sciencebob.com It Really Levitates!This is so simple, and so cool. It uses static electricity to make a tinsel orb levitate above a PVC pipe. We've gotten the orb to float for over 10 minutes. We just discovered you can use a regular balloon instead of the PVC pipe, but we like the pipe best. Watch the video, and ...
By: sciencebob.com

Continue Reading »]]> Fri, 13 Mar 2009 10:56:56 PDT http://www.instructables.com/id/Demonstrating-Simple-Photochemistry-with-Silver-Ch/ http://www.instructables.com/files/deriv/F4M/DSUI/FS1N65S8/F4MDSUIFS1N65S8.SQUARE2.jpg http://www.instructables.com/files/deriv/F4M/DSUI/FS1N65S8/F4MDSUIFS1N65S8.SQUARE.jpg http://www.instructables.com/files/deriv/F4M/DSUI/FS1N65S8/F4MDSUIFS1N65S8.SMALL.jpg NurdRage We show the chemistry of photography using silver chloride that we make ourselves from table salt and silver nitrate.Silver chloride has the interesting property that it reacts to light. This photosensitive chemical will decompose into dark silver powder and chlorine.To make it, just mix one gram of...
By: NurdRage

Continue Reading »]]> Sun, 8 Mar 2009 16:49:22 PDT http://www.instructables.com/id/Make-Silver-Different-Colors-by-Anodizing/ http://www.instructables.com/files/deriv/FQB/WNBT/FRTXG3B8/FQBWNBTFRTXG3B8.SQUARE2.jpg http://www.instructables.com/files/deriv/FQB/WNBT/FRTXG3B8/FQBWNBTFRTXG3B8.SQUARE.jpg http://www.instructables.com/files/deriv/FQB/WNBT/FRTXG3B8/FQBWNBTFRTXG3B8.SMALL.jpg NurdRage How to Make Silver Different Colors by Electrochemical Anodizing.Without using paint you can give a silver surface various colors by anodizing it. WARNING: Anodizing solution is corrosive, so wear gloves at all times when working with it. It is also somewhat toxic, so keep it away from children and ...
By: NurdRage

Continue Reading »]]> Mon, 2 Mar 2009 20:39:12 PST http://www.instructables.com/id/The-lego-zombie-apocalypse/ http://www.instructables.com/files/deriv/F58/W2SW/FMSGGTSC/F58W2SWFMSGGTSC.SQUARE2.jpg http://www.instructables.com/files/deriv/F58/W2SW/FMSGGTSC/F58W2SWFMSGGTSC.SQUARE.jpg http://www.instructables.com/files/deriv/F58/W2SW/FMSGGTSC/F58W2SWFMSGGTSC.SMALL.jpg jellybean10122 Hey guys,Since its almost halloween I made this. This is a little stop-motion I threw together in about half an hour. It is about a few survivors left after a solanum outbreak. the virus made zombies the dominant species. but the leader of the group finds another survivor and goes out to see who he ...
By: jellybean10122

Continue Reading »]]> Tue, 28 Oct 2008 12:30:13 PDT http://www.instructables.com/id/How-seeing-how-strong-is-you-cell-phone/ http://www.instructables.com/files/deriv/F8I/8ECU/FKD1HYN0/F8I8ECUFKD1HYN0.SQUARE2.jpg http://www.instructables.com/files/deriv/F8I/8ECU/FKD1HYN0/F8I8ECUFKD1HYN0.SQUARE.jpg http://www.instructables.com/files/deriv/F8I/8ECU/FKD1HYN0/F8I8ECUFKD1HYN0.SMALL.jpg Serge Savoie Microwave emitted by cellphone can be seeing with this little experiment.
By: Serge Savoie

Continue Reading »]]> Sun, 31 Aug 2008 08:28:44 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/Matchstick-Rocket-Make-A-Simple-Matchstick-Rocket/ http://www.instructables.com/files/deriv/FCN/DU0A/FDYPTD9R/FCNDU0AFDYPTD9R.SQUARE2.jpg http://www.instructables.com/files/deriv/FCN/DU0A/FDYPTD9R/FCNDU0AFDYPTD9R.SQUARE.jpg http://www.instructables.com/files/deriv/FCN/DU0A/FDYPTD9R/FCNDU0AFDYPTD9R.SMALL.jpg lajocar How to make a rocket with matchstick and tin foil. Make a homemade rocket with matchsticks and tin foil. Launch a matchstick into orbit. Matchstick Rocket. Matchstick... More missile. Make a simple matchstick rocket.
By: lajocar

Continue Reading »]]> Mon, 17 Mar 2008 10:39:56 PDT