Instructables: exploring - technology - science - popular http://www.instructables.com Fri, 29 Jul 2016 14:43:17 PDT BLOX v1.01 Amaze A Science Class with Elephant Toothpaste http://www.instructables.com/id/Elephant-Toothpaste-Chemistry/
Amaze A Science Class with Elephant Toothpaste - More DIY How To Projects]]> http://cdn.instructables.com/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SQUARE2.jpg http://cdn.instructables.com/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SQUARE.jpg http://cdn.instructables.com/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SMALL.jpg kentchemistry.com This experiment shows the decomposition of hydrogen peroxide catalyzed by potassium iodide. The reaction is done in a tall graduated cylinder so that the foamy product shoots out very quickly in a tall cylindrical shape; hence, the name elephant toothpaste. Materials: tall graduated cylinder (at le...
By: kentchemistry.com

Continue Reading »]]>
Thu, 24 Jan 2008 18:46:25 PST
Fireproof Carbon Foam from Pyrolysed Bread http://www.instructables.com/id/Fireproof-Carbon-Foam-From-Pyrolysed-Bread/
Fireproof Carbon Foam from Pyrolysed Bread - More DIY How To Projects]]> http://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SQUARE2.jpg http://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SQUARE.jpg http://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SMALL.gif arduinoversusevil Carbon foam has some very useful properties: It is an excellent thermal insulator.The fact that it's made from bread adds "much wow!" to a very simple process.You could conceivably cover you space rocket in these ablative tiles for re-entry. Because Science! NASA! Outer-space! Clickbait! Weld a st...
By: arduinoversusevil

Continue Reading »]]>
Mon, 18 Jul 2016 15:01:52 PDT
egg drop experement http://www.instructables.com/id/egg-drop-experement/
egg drop experement - More DIY How To Projects]]> http://cdn.instructables.com/F2Y/WW1V/1D4EZBF8QHD/F2YWW1V1D4EZBF8QHD.SQUARE2.jpg http://cdn.instructables.com/F2Y/WW1V/1D4EZBF8QHD/F2YWW1V1D4EZBF8QHD.SQUARE.jpg http://cdn.instructables.com/F2Y/WW1V/1D4EZBF8QHD/F2YWW1V1D4EZBF8QHD.SMALL.jpg instructa-fan around the 5th, 6th or 7th grade you do an egg drop experiment in your science class or just a school function. This is a sure fire winner for the experiment! what you'll need for this experiment: knife/scissors tape egg two plastic bags empty soda can supplies what you'll need for this experim...
By: instructa-fan

Continue Reading »]]>
Sat, 17 Mar 2007 13:55:09 PDT
Scout Project: How to make a Morse Code Oscillator/ Telegraph Machine http://www.instructables.com/id/Scout-project-Morse-Code-Oscillator-Telegraph/
Scout Project: How to make a Morse Code Oscillator/ Telegraph Machine - More DIY How To Projects]]> http://cdn.instructables.com/FGU/W4OK/G50U5MBA/FGUW4OKG50U5MBA.SQUARE2.jpg http://cdn.instructables.com/FGU/W4OK/G50U5MBA/FGUW4OKG50U5MBA.SQUARE.jpg http://cdn.instructables.com/FGU/W4OK/G50U5MBA/FGUW4OKG50U5MBA.SMALL.jpg Biggsy I have written this Instructable, so that you can see how to construct the above from wood scraps Instead of Cardboard (funnily enough, Card is my usual I'ble medium... go and look at my other I'bles, It does also tie in with my I'ble for treating burns with aloe vera) It is also here to explain a l...
By: Biggsy

Continue Reading »]]>
Fri, 29 Jan 2010 17:25:02 PST
.50 cal Coil Gun http://www.instructables.com/id/50-cal-Coil-Gun/
.50 cal Coil Gun - More DIY How To Projects]]> http://cdn.instructables.com/FE7/6V23/GJ7MLXTI/FE76V23GJ7MLXTI.SQUARE2.jpg http://cdn.instructables.com/FE7/6V23/GJ7MLXTI/FE76V23GJ7MLXTI.SQUARE.jpg http://cdn.instructables.com/FE7/6V23/GJ7MLXTI/FE76V23GJ7MLXTI.SMALL.jpg LetsBuildOne After building a small 6mm coil gun I decided it was time to upscale... To a .50cal... Youtube video of it in action. This would mean a dramaticaly larger capacitor bank and equally large solid state switches. Whilst under construction I was approached by a Professor in the Engineering Departm...
By: LetsBuildOne

Continue Reading »]]>
Sat, 22 Jan 2011 12:10:19 PST
What Is Sodium Polyacrylate? http://www.instructables.com/id/What-Is-Sodium-Polyacrylate/
What Is Sodium Polyacrylate? - More DIY How To Projects]]> http://cdn.instructables.com/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SQUARE2.jpg http://cdn.instructables.com/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SQUARE.jpg http://cdn.instructables.com/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SMALL.jpg summerbree2e What Is Sodium Polyacrylate? A polymer found frequently in daily life. Sodium polyacrylate is the absorbent material found in baby diapers, artificial decorative snow, and detergents. They polymer structure is made up of one molecule of oxygen, one molecule of sodium oxide, a carbon base, and th...
By: summerbree2e

Continue Reading »]]>
Tue, 7 May 2013 09:39:19 PDT
How to make a flashlight from a soda can http://www.instructables.com/id/How-to-make-a-flashlight-from-a-soda-can/
How to make a flashlight from a soda can - More DIY How To Projects]]> http://cdn.instructables.com/F66/RC27/G4PBTCE2/F66RC27G4PBTCE2.SQUARE2.jpg http://cdn.instructables.com/F66/RC27/G4PBTCE2/F66RC27G4PBTCE2.SQUARE.jpg http://cdn.instructables.com/F66/RC27/G4PBTCE2/F66RC27G4PBTCE2.SMALL.jpg pburghmom This instruction shows how to make a flashlight from found objects from your house.  This is fun for kids of all ages. Materials Required 1.  Gather Materials Materials for one flashlight Qty 1, Flashlight bulb (normally 2.2v) Qty 1, Pop or beer Can (minimum 12oz.  A tall 12oz beer can works wel...
By: pburghmom

Continue Reading »]]>
Thu, 28 Jan 2010 19:47:47 PST
How to calculate the centroid of a two dimensional shape. http://www.instructables.com/id/How-to-calculate-the-centroid-of-a-two-dimensional/
How to calculate the centroid of a two dimensional shape. - More DIY How To Projects]]> http://cdn.instructables.com/FZI/O7Z9/HTZ3ETJZ/FZIO7Z9HTZ3ETJZ.SQUARE2.jpg http://cdn.instructables.com/FZI/O7Z9/HTZ3ETJZ/FZIO7Z9HTZ3ETJZ.SQUARE.jpg http://cdn.instructables.com/FZI/O7Z9/HTZ3ETJZ/FZIO7Z9HTZ3ETJZ.SMALL.jpg angel7543 This excel sheet will help you find the centroid of an irregular shape Materials Required: Computer with Microsoft Excel Approximate Completion Time: 10 minutes From the desktop screen, open the Microsoft Excel program and save the file to the computer or to another device. Begin by t...
By: angel7543

Continue Reading »]]>
Sun, 13 Apr 2014 18:56:51 PDT
(Near) IR Infrared Webcam in 10 minutes for Less than $10 http://www.instructables.com/id/Near-Infrared-Camera-for-Less-than-10-and-10-mi/
(Near) IR Infrared Webcam in 10 minutes for Less than $10 - More DIY How To Projects]]> http://cdn.instructables.com/FB1/EJDX/GMX1SI7M/FB1EJDXGMX1SI7M.SQUARE2.jpg http://cdn.instructables.com/FB1/EJDX/GMX1SI7M/FB1EJDXGMX1SI7M.SQUARE.jpg http://cdn.instructables.com/FB1/EJDX/GMX1SI7M/FB1EJDXGMX1SI7M.SMALL.jpg menk There are several general tutorials on the web for making (near) infrared cameras, but you might get lost picking a webcam and the directions you found might be different for your webcam. So, here are specific directions for a specific webcam with three priorities in mind: It's fast, it's cheap, it ...
By: menk

Continue Reading »]]>
Mon, 2 May 2011 23:16:49 PDT
How to make an alcohol lamp for home microbiology use http://www.instructables.com/id/How-to-make-an-alcohol-lamp-for-home-microbiology-/
How to make an alcohol lamp for home microbiology use - More DIY How To Projects]]> http://cdn.instructables.com/FXQ/7QHB/HFD1DZ49/FXQ7QHBHFD1DZ49.SQUARE2.jpg http://cdn.instructables.com/FXQ/7QHB/HFD1DZ49/FXQ7QHBHFD1DZ49.SQUARE.jpg http://cdn.instructables.com/FXQ/7QHB/HFD1DZ49/FXQ7QHBHFD1DZ49.SMALL.jpg NonDisjunction This Instructable will cover the steps necessary to safely make an alcohol lamp from easily obtainable materials.  It can be used to create a sterile space for microbiological experimentation at home, e.g. to culture yeast from a bottle of unfiltered/unpasteurized beer.   I made it at TechShop (tec...
By: NonDisjunction

Continue Reading »]]>
Mon, 15 Apr 2013 21:06:51 PDT
cool buckyball shapes http://www.instructables.com/id/cool-buckyball-shapes/
cool buckyball shapes - More DIY How To Projects]]> http://cdn.instructables.com/F4X/JPX7/H174GNNV/F4XJPX7H174GNNV.SQUARE2.jpg http://cdn.instructables.com/F4X/JPX7/H174GNNV/F4XJPX7H174GNNV.SQUARE.jpg http://cdn.instructables.com/F4X/JPX7/H174GNNV/F4XJPX7H174GNNV.SMALL.jpg nerd7473 #make a loop of six magnets hexagon make a hexagon# the hot pocket connect the sides as shown# the triangle ''cup'' shape bend the sides as shown# the hollow triangle bend the sides as shown#
By: nerd7473

Continue Reading »]]>
Mon, 30 Apr 2012 17:40:02 PDT
Highly sensitive Arduino light sensor http://www.instructables.com/id/Highly-sensitive-Arduino-light-sensor/
Highly sensitive Arduino light sensor - More DIY How To Projects]]> http://cdn.instructables.com/F0M/2W34/HPLWZGTO/F0M2W34HPLWZGTO.SQUARE2.jpg http://cdn.instructables.com/F0M/2W34/HPLWZGTO/F0M2W34HPLWZGTO.SQUARE.jpg http://cdn.instructables.com/F0M/2W34/HPLWZGTO/F0M2W34HPLWZGTO.SMALL.jpg Patrik In the Bioluminescence Community Project at BioCurious, we've been working with a number of bioluminescent bacteria and algae. We'd love to be able to measure accurately how much light these organisms produce. Unfortunately, the amount of light they produce is quite faint, and although the human eye...
By: Patrik

Continue Reading »]]>
Mon, 16 Dec 2013 23:55:33 PST
How to Make Sodium Nitrate, A Potassium Nitrate Substitute http://www.instructables.com/id/How-to-Make-Sodium-Nitrate-A-Potassium-Nitrate-Su/
How to Make Sodium Nitrate, A Potassium Nitrate Substitute - More DIY How To Projects]]> http://cdn.instructables.com/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SQUARE2.jpg http://cdn.instructables.com/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SQUARE.jpg http://cdn.instructables.com/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
How to Build a Real Working "Brain Ray" (Transcranial Magnetic Stimulation Demo) http://www.instructables.com/id/How-to-Build-a-Real-Working-Brain-Ray-Transcran/
How to Build a Real Working "Brain Ray" (Transcranial Magnetic Stimulation Demo) - More DIY How To Projects]]> http://cdn.instructables.com/F4L/8ZXT/H8RK8JKN/F4L8ZXTH8RK8JKN.SQUARE2.jpg http://cdn.instructables.com/F4L/8ZXT/H8RK8JKN/F4L8ZXTH8RK8JKN.SQUARE.jpg http://cdn.instructables.com/F4L/8ZXT/H8RK8JKN/F4L8ZXTH8RK8JKN.SMALL.jpg TheHomebrewGuru Transcranial Magnetic Stimulation is a method for stimulating brain tissue, and in recent years there has been much research on this method as a replacement for Electroconvulsive (Shock) Therapy to combat mental disorders such as depression. Trans-cranial Magnetic Stimulation is a safer non-invasive...
By: TheHomebrewGuru

Continue Reading »]]>
Sat, 27 Oct 2012 18:39:45 PDT
Mini Solar Car http://www.instructables.com/id/Mini-Solar-Car/
Mini Solar Car - More DIY How To Projects]]> http://cdn.instructables.com/FOH/1SQR/FTM73SEK/FOH1SQRFTM73SEK.SQUARE2.jpg http://cdn.instructables.com/FOH/1SQR/FTM73SEK/FOH1SQRFTM73SEK.SQUARE.jpg http://cdn.instructables.com/FOH/1SQR/FTM73SEK/FOH1SQRFTM73SEK.SMALL.jpg niranj_1994 Solar Power begins its journey 1,000,000 years ago at the heat of the sun where matter is being to energy at a sub-atomic level. The Sun's energy reaches the surface of the Earth with a power of one kilowatt per square metre(1.1 horsepower per square yard). Parts needed 1.Coroplast frame...
By: niranj_1994

Continue Reading »]]>
Sun, 12 Apr 2009 11:27:53 PDT
TRIPLE YOUR SOLAR ARRAY'S OUTPUT! http://www.instructables.com/id/TRIPLE-YOUR-SOLAR-ARRAYS-OUTPUT/
TRIPLE YOUR SOLAR ARRAY'S OUTPUT! - More DIY How To Projects]]> http://cdn.instructables.com/F66/NIHH/IPFRIP5X/F66NIHHIPFRIP5X.SQUARE2.jpg http://cdn.instructables.com/F66/NIHH/IPFRIP5X/F66NIHHIPFRIP5X.SQUARE.jpg http://cdn.instructables.com/F66/NIHH/IPFRIP5X/F66NIHHIPFRIP5X.SMALL.jpg DrewPaulDesigns Solar panels are cheap, and due to improvements in manufacturing, economies of scale and other factors, they are getting even cheaper. But, that leaves most of us with the problem of where to put them. While solar panels are easy to come by, land and roof space to put them on is not. If fact, it is ...
By: DrewPaulDesigns

Continue Reading »]]>
Wed, 15 Jun 2016 00:25:15 PDT
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

Continue Reading »]]>
Sun, 4 Jan 2009 23:47:31 PST
How to Graph http://www.instructables.com/id/How-to-Graph-1/
How to Graph - More DIY How To Projects]]> http://cdn.instructables.com/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SQUARE2.jpg http://cdn.instructables.com/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SQUARE.jpg http://cdn.instructables.com/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SMALL.jpg tricky dick Greetings Instructable lovers and learners alike. I have always loved Instructables, using many myself, and now I have one to give. This instructable was one on the Burning Questions 6 and I thought this would be a good way for me to start. Now, who is ready to learn form a high school/ college stu...
By: tricky dick

Continue Reading »]]>
Tue, 17 Feb 2009 13:33:28 PST
Bike Wheel Gyroscope http://www.instructables.com/id/Bike-Wheel-Gyroscope/
Bike Wheel Gyroscope - More DIY How To Projects]]> http://cdn.instructables.com/FM5/46T6/IG3WTYXS/FM546T6IG3WTYXS.SQUARE2.jpg http://cdn.instructables.com/FM5/46T6/IG3WTYXS/FM546T6IG3WTYXS.SQUARE.jpg http://cdn.instructables.com/FM5/46T6/IG3WTYXS/FM546T6IG3WTYXS.SMALL.jpg The Oakland Toy Lab Why is it so much harder to stay up on a stationary bicycle? Why don't Segway tours always fall flat on their faces? How do smartypantsphones know when they're face up? The answers are wheely similar, and all lie in the realm of angular momentum and gyroscopes. They keep spinning things in check. Br...
By: The Oakland Toy Lab

Continue Reading »]]>
Fri, 23 Oct 2015 14:12:25 PDT
Chemical Reaction between Potassium Permanganate and Citric Acid http://www.instructables.com/id/Chemical-Reaction-between-Potassium-Permanganate-a/
Chemical Reaction between Potassium Permanganate and Citric Acid - More DIY How To Projects]]> http://cdn.instructables.com/FRK/THJ5/HQI7SC19/FRKTHJ5HQI7SC19.SQUARE2.jpg http://cdn.instructables.com/FRK/THJ5/HQI7SC19/FRKTHJ5HQI7SC19.SQUARE.jpg http://cdn.instructables.com/FRK/THJ5/HQI7SC19/FRKTHJ5HQI7SC19.SMALL.jpg azharz Image courtesy: 23b-cthruchemistry.blogspot.com Hello friends, I am back with my 9th instructable. This time I am playing with chemicals. We are going to do a reaction with Potassium Permanganate and Citric Acid. The reaction will be hydrolysis reaction because salt (Potassium Permanganate) and Wat...
By: azharz

Continue Reading »]]>
Tue, 14 Jan 2014 08:26:55 PST
Kelvin's Thunderstorm - Create lightning from water and gravity! http://www.instructables.com/id/Kelvin-s-Thunderstorm---Create-lightning-from-wate/
Kelvin's Thunderstorm - Create lightning from water and gravity! - More DIY How To Projects]]> http://cdn.instructables.com/FOR/TN5M/F5Y3TLMH/FORTN5MF5Y3TLMH.SQUARE2.jpg http://cdn.instructables.com/FOR/TN5M/F5Y3TLMH/FORTN5MF5Y3TLMH.SQUARE.jpg http://cdn.instructables.com/FOR/TN5M/F5Y3TLMH/FORTN5MF5Y3TLMH.SMALL.jpg NK5 Did you know that you could recreate thunderstorm lightning in your own home?It's possible and is really easy to do. Granted, it's not nearly as exciting as a good old fashion thunderstorm, but the effect is still pretty cool and this lightning won't kill you!The scientific name for this experiment ...
By: NK5

Continue Reading »]]>
Fri, 31 Aug 2007 10:34:32 PDT
Building and Running a Homemade Agarose Gel Electrophoresis http://www.instructables.com/id/Building-and-Running-a-Homemade-Agarose-Gel-Electr/
Building and Running a Homemade Agarose Gel Electrophoresis - More DIY How To Projects]]> http://cdn.instructables.com/FT5/0KMT/IEGXUMYA/FT50KMTIEGXUMYA.SQUARE2.jpg http://cdn.instructables.com/FT5/0KMT/IEGXUMYA/FT50KMTIEGXUMYA.SQUARE.jpg http://cdn.instructables.com/FT5/0KMT/IEGXUMYA/FT50KMTIEGXUMYA.SMALL.jpg Caylee_Collins IntroductionA gel electrophoresis is a tool utilized by molecular geneticists to separate and view different parts of macromolecules such as DNA, RNA, or proteins. This technique works because most macromolecules are negatively charged. When they are placed in the gel wells on the negative end of th...
By: Caylee_Collins

Continue Reading »]]>
Sun, 13 Sep 2015 06:45:34 PDT
Make a Pulse jet engine, (Scanned from 1958 plans) http://www.instructables.com/id/Make-a-Pulse-jet-engine-Scanned-from-1958-plans/
Make a Pulse jet engine, (Scanned from 1958 plans) - More DIY How To Projects]]> http://cdn.instructables.com/FXG/FOWO/G2HDZQSA/FXGFOWOG2HDZQSA.SQUARE2.jpg http://cdn.instructables.com/FXG/FOWO/G2HDZQSA/FXGFOWOG2HDZQSA.SQUARE.jpg http://cdn.instructables.com/FXG/FOWO/G2HDZQSA/FXGFOWOG2HDZQSA.SMALL.jpg Karroo Oakey  Making A Pulse Jet Engine  It powers a scale model MiG 15 fighter at 85mph. This is a powerful jet unit and one which can be made by anyone with access to lathe and welding facilities. Emil Brauner of Kladno in Czechoslovkia is a model maker who was forced by circumstance to make his own jet engine...
By: Karroo Oakey

Continue Reading »]]>
Wed, 2 Dec 2009 21:19:48 PST
Paper Plate Speaker http://www.instructables.com/id/Paper-Plate-Speaker/
Paper Plate Speaker - More DIY How To Projects]]> http://cdn.instructables.com/F0T/GHCC/G0KQC887/F0TGHCCG0KQC887.SQUARE2.jpg http://cdn.instructables.com/F0T/GHCC/G0KQC887/F0TGHCCG0KQC887.SQUARE.jpg http://cdn.instructables.com/F0T/GHCC/G0KQC887/F0TGHCCG0KQC887.SMALL.jpg wcameron Hello, this instructable will take you through the fun and easy process of making an audio speaker out of a paper plate. The IEEE (Institute of Electronic and Electrical Engineers) club at Iowa State University uses this project for a demonstration at local middle schools and is also a great project...
By: wcameron

Continue Reading »]]>
Tue, 13 Oct 2009 06:15:16 PDT
Free Energy from Thin Air! http://www.instructables.com/id/Free-Energy-From-Thin-Air/
Free Energy from Thin Air! - More DIY How To Projects]]> http://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE2.jpg http://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE.jpg http://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SMALL.jpg DrewPaulDesigns "Free energy from the air?, Yea, right!" Sardonic skepticism was my first reaction to this unusual concept, as well.Though, its not so far out there, in fact. Light can be converted to DC current with solar panels, electricity can be converted to magnetism as I did in my last article, in a microphon...
By: DrewPaulDesigns

Continue Reading »]]>
Tue, 24 May 2016 03:21:51 PDT
EMP Generator Schematic http://www.instructables.com/id/EMP-Generator-Schematic/
EMP Generator Schematic - More DIY How To Projects]]> http://cdn.instructables.com/FZ5/23QA/GK3TO1WK/FZ523QAGK3TO1WK.SQUARE2.jpg http://cdn.instructables.com/FZ5/23QA/GK3TO1WK/FZ523QAGK3TO1WK.SQUARE.jpg http://cdn.instructables.com/FZ5/23QA/GK3TO1WK/FZ523QAGK3TO1WK.SMALL.jpg XOIIO These are my plans for an EMP Generator.  It uses flash circuits from disposable cameras to power the coil. I plan to make an instructable of it soon. Leave me any comments or tips. Thanks. The parts list is as follows: 1project box 3 flash circuits (from disposable camreas) 3 AAA battery holders ...
By: XOIIO

Continue Reading »]]>
Thu, 12 Nov 2009 12:14:33 PST
Preparing your own thin layer chromatography plates (and then using them) http://www.instructables.com/id/Preparing-your-own-thin-layer-chromatography-plate/
Preparing your own thin layer chromatography plates (and then using them) - More DIY How To Projects]]> http://cdn.instructables.com/FWZ/46WE/F4S6BR39/FWZ46WEF4S6BR39.SQUARE2.jpg http://cdn.instructables.com/FWZ/46WE/F4S6BR39/FWZ46WEF4S6BR39.SQUARE.jpg http://cdn.instructables.com/FWZ/46WE/F4S6BR39/FWZ46WEF4S6BR39.SMALL.jpg allanf0 Chromatography is a widely used technique in both analytical and preparative chemistry. It was first made practical by Tsvet for the separation of chlorophylls but has since been expanded into a huge field of study with a wide range of instruments and techniques. Fundamentally, however, the princi...
By: allanf0

Continue Reading »]]>
Mon, 30 Jul 2007 21:47:07 PDT
CNC G-Code Interpreter using Processing http://www.instructables.com/id/CNC-G-Code-Interpreter-using-Processing/
CNC G-Code Interpreter using Processing - More DIY How To Projects]]> http://cdn.instructables.com/FV7/JBCQ/FZNHOWFC/FV7JBCQFZNHOWFC.SQUARE2.jpg http://cdn.instructables.com/FV7/JBCQ/FZNHOWFC/FV7JBCQFZNHOWFC.SQUARE.jpg http://cdn.instructables.com/FV7/JBCQ/FZNHOWFC/FV7JBCQFZNHOWFC.SMALL.jpg otaviousp Hi guys, for years I'm trying to make my own CNC router so I can make PCB easier. What I'm trying to make is a G code interpreter who can sends signals to an arduino board. So the arduino board can control a simple CNC router to draw a circuit over a PCB. I hope this project inspirer some peoples ...
By: otaviousp

Continue Reading »]]>
Wed, 16 Sep 2009 23:17:56 PDT
How to make conductive play dough. http://www.instructables.com/id/How-to-make-conductive-play-dough/
How to make conductive play dough. - More DIY How To Projects]]> http://cdn.instructables.com/FBQ/XMUR/GW3WR4YK/FBQXMURGW3WR4YK.SQUARE2.jpg http://cdn.instructables.com/FBQ/XMUR/GW3WR4YK/FBQXMURGW3WR4YK.SQUARE.jpg http://cdn.instructables.com/FBQ/XMUR/GW3WR4YK/FBQXMURGW3WR4YK.SMALL.jpg furrysalamander All credits go to the people over at the squishy circuits website. I was on hackaday earlier this year and I found an article on squishy circuits.  I thought making circuits from play dough sounded like a very interesting idea.  I did some research into it and it seemed simple enough; different ing...
By: furrysalamander

Continue Reading »]]>
Wed, 14 Dec 2011 09:07:59 PST
A Simple Introduction to Transistors and PWM (Pulse-Width Modulation) http://www.instructables.com/id/A-Simple-Introduction-to-Transistors-and-PWM-Puls/
A Simple Introduction to Transistors and PWM (Pulse-Width Modulation) - More DIY How To Projects]]> http://cdn.instructables.com/FGY/AJW9/FYTCM79Q/FGYAJW9FYTCM79Q.SQUARE2.jpg http://cdn.instructables.com/FGY/AJW9/FYTCM79Q/FGYAJW9FYTCM79Q.SQUARE.jpg http://cdn.instructables.com/FGY/AJW9/FYTCM79Q/FGYAJW9FYTCM79Q.SMALL.jpg CalcProgrammer1 The silicon transistor was invented in 1954 and has been considered one of the greatest inventions in the history of technology. Its invention practically spawned the field of electronics and contributed to all of our modern computers, iPods, phones, etc. If you've ever asked what a transistor is ...
By: CalcProgrammer1

Continue Reading »]]>
Sun, 20 Sep 2009 16:44:02 PDT
Make a Glow Stick Reaction Using Real Chemicals http://www.instructables.com/id/Make-a-Glow-Stick-Reaction-Using-Real-Chemicals/
Make a Glow Stick Reaction Using Real Chemicals - More DIY How To Projects]]> http://cdn.instructables.com/FW2/9022/FRXUSXGA/FW29022FRXUSXGA.SQUARE2.jpg http://cdn.instructables.com/FW2/9022/FRXUSXGA/FW29022FRXUSXGA.SQUARE.jpg http://cdn.instructables.com/FW2/9022/FRXUSXGA/FW29022FRXUSXGA.SMALL.jpg NurdRage Here I show you how to make a glow stick reaction with real chemicals. Yes this is a repost, i made a huge mistake on the last one The glowstick reaction is made using a diphenyl oxalate derivative known as bis(2,4,6-trichlorophenyl)oxalate or TCPO. Additional ingredients include ethyl acetate as ...
By: NurdRage

Continue Reading »]]>
Mon, 9 Mar 2009 22:12:58 PDT
How to measure the speed of sound with two lumps of wood ... http://www.instructables.com/id/How-to-measure-the-speed-of-sound-with-two-lumps-o/
How to measure the speed of sound with two lumps of wood ... - More DIY How To Projects]]> http://cdn.instructables.com/F8U/6SLJ/F2FRVL3Z/F8U6SLJF2FRVL3Z.SQUARE2.jpg http://cdn.instructables.com/F8U/6SLJ/F2FRVL3Z/F8U6SLJF2FRVL3Z.SQUARE.jpg http://cdn.instructables.com/F8U/6SLJ/F2FRVL3Z/F8U6SLJF2FRVL3Z.SMALL.jpg Kiteman ... a stop watch and a convenient wall. The idea Speed is how far something travels in a known time speed = distance / time.In everyday life, speed is generally measured in either miles per hour (or kilometres per hour; most of the world is metric). Higher speeds, especially in a scientific or ...
By: Kiteman

Continue Reading »]]>
Thu, 14 Jun 2007 15:34:52 PDT
DIY Erupting Volcano http://www.instructables.com/id/DIY-Erupting-Volcano/
DIY Erupting Volcano - More DIY How To Projects]]> http://cdn.instructables.com/FNI/V15S/I0LDQXCD/FNIV15SI0LDQXCD.SQUARE2.jpg http://cdn.instructables.com/FNI/V15S/I0LDQXCD/FNIV15SI0LDQXCD.SQUARE.jpg http://cdn.instructables.com/FNI/V15S/I0LDQXCD/FNIV15SI0LDQXCD.SMALL.jpg Johnnyboy584 This instructable is very fun to make/do. It has a simple process and uses everyday household items. The effect turns out to be pretty cool! Some of you will probably think the effect is just stupid and pathetic because it doesn't do a full on "blast out of the water bottle" trick, and that's ok. I ...
By: Johnnyboy584

Continue Reading »]]>
Sun, 28 Sep 2014 12:00:45 PDT
Making Lichtenberg Figures in Wood http://www.instructables.com/id/Making-Lichtenberg-Figures-in-Wood/
Making Lichtenberg Figures in Wood - More DIY How To Projects]]> http://cdn.instructables.com/FBG/F25M/INPE8DYK/FBGF25MINPE8DYK.SQUARE2.jpg http://cdn.instructables.com/FBG/F25M/INPE8DYK/FBGF25MINPE8DYK.SQUARE.jpg http://cdn.instructables.com/FBG/F25M/INPE8DYK/FBGF25MINPE8DYK.SMALL.jpg austiwawa Lichtenberg Figures! Burning fractal images into wood!In this Instructable I will be showing you how you can burn some amazing fractal images into wood. This project is cheap and it might not even cost you anything! All you need is an old microwave. Let's get started. Watch the Video! https://ww...
By: austiwawa

Continue Reading »]]>
Mon, 2 May 2016 17:43:32 PDT
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

Continue Reading »]]>
Thu, 18 Feb 2010 03:12:38 PST
Digital Frequency Counter http://www.instructables.com/id/Digital-Frequency-Counter/
Digital Frequency Counter - More DIY How To Projects]]> http://cdn.instructables.com/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SQUARE2.jpg http://cdn.instructables.com/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SQUARE.jpg http://cdn.instructables.com/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SMALL.jpg laserjocky First of all, if you like this project, please vote for me in the Hurricane Laser Competition and the LED Contest! Have you ever needed to find out how quickly something is oscillating? For things like hamster wheels and ocean waves, this is easy. You just count how many times the wheel goes ar...
By: laserjocky

Continue Reading »]]>
Thu, 23 Aug 2012 21:37:45 PDT
Very Quick rust http://www.instructables.com/id/Very-Quick-rust/
Very Quick rust - More DIY How To Projects]]> http://cdn.instructables.com/FDM/S69H/FTRJ72X5/FDMS69HFTRJ72X5.SQUARE2.jpg http://cdn.instructables.com/FDM/S69H/FTRJ72X5/FDMS69HFTRJ72X5.SQUARE.jpg http://cdn.instructables.com/FDM/S69H/FTRJ72X5/FDMS69HFTRJ72X5.SMALL.jpg a_traceur With this method you can oxidize most iron objects very quickly. It can be used for art or even just for fun! It will provide a nice rusty layer on top, but be warned if left in too long it can end up rusting the container, and eating the object.WARNING: In this instructable you will be using bleach...
By: a_traceur

Continue Reading »]]>
Mon, 20 Apr 2009 19:13:55 PDT
Things That Will Glow In Black(UV) Light http://www.instructables.com/id/Things-That-Will-Glow-In-BlackUV-Light/
Things That Will Glow In Black(UV) Light - More DIY How To Projects]]> http://cdn.instructables.com/FJO/PYW5/IDUR6IEW/FJOPYW5IDUR6IEW.SQUARE2.jpg http://cdn.instructables.com/FJO/PYW5/IDUR6IEW/FJOPYW5IDUR6IEW.SQUARE.jpg http://cdn.instructables.com/FJO/PYW5/IDUR6IEW/FJOPYW5IDUR6IEW.SMALL.jpg davefhunt Once upon a time Ultraviolet(UV) or "black" Light was reserved for clubs, theaters and science labs. With the arrival of cold cathode lamps and LEDs we can all have some fun. The science bit Ultraviolet light forms part of the Electromagnetic Spectrum (first proposed by James Clerk Maxwell: Respe...
By: davefhunt

Continue Reading »]]>
Fri, 28 Aug 2015 15:53:18 PDT
How to Make Phosphorescent "Glow in the Dark" Powder http://www.instructables.com/id/How-to-Make-Phosphorescent-Glow-in-the-Dark-Powd/
How to Make Phosphorescent "Glow in the Dark" Powder - More DIY How To Projects]]> http://cdn.instructables.com/FZE/DYHV/G33OQ8ON/FZEDYHVG33OQ8ON.SQUARE2.jpg http://cdn.instructables.com/FZE/DYHV/G33OQ8ON/FZEDYHVG33OQ8ON.SQUARE.jpg http://cdn.instructables.com/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
Square 2+ Digit Numbers Mentally http://www.instructables.com/id/Square-2-Digit-Numbers-Mentally/
Square 2+ Digit Numbers Mentally - More DIY How To Projects]]> http://cdn.instructables.com/FE6/8HK5/FJD5CIGC/FE68HK5FJD5CIGC.SQUARE2.jpg http://cdn.instructables.com/FE6/8HK5/FJD5CIGC/FE68HK5FJD5CIGC.SQUARE.jpg http://cdn.instructables.com/FE6/8HK5/FJD5CIGC/FE68HK5FJD5CIGC.SMALL.jpg purduecer For my first Instructable, I posted my first Instructable about a fun trick I had learned back in junior high for taking the cube roots of large numbers (6 or more digits) mentally. It was a well liked and well received 'ible, getting featured and making the popularity section in spite of being of ...
By: purduecer

Continue Reading »]]>
Mon, 4 Aug 2008 00:06:04 PDT
My Tesla's radiant energy collector (open project) http://www.instructables.com/id/My-Teslas-radiant-energy-collector-open-project/
My Tesla's radiant energy collector (open project) - More DIY How To Projects]]> http://cdn.instructables.com/FG7/ZYI5/FVDC32US/FG7ZYI5FVDC32US.SQUARE2.jpg http://cdn.instructables.com/FG7/ZYI5/FVDC32US/FG7ZYI5FVDC32US.SQUARE.jpg http://cdn.instructables.com/FG7/ZYI5/FVDC32US/FG7ZYI5FVDC32US.SMALL.jpg alessiof76 I did this experiment in February 2009. This device was invented to detect / collect "radiant energy" and convert it into electricity it was patented by Tesla in 1905 original patent: http://keelynet.com/tesla/00685958.pdfMy device not collect "radiant energy", it collect static electricity I ju...
By: alessiof76

Continue Reading »]]>
Tue, 2 Jun 2009 02:02:06 PDT
How to Make some Charcoal http://www.instructables.com/id/How-to-Make-some-Charcoal/
How to Make some Charcoal - More DIY How To Projects]]> http://cdn.instructables.com/FQL/U9XA/XM9EZ7C8Q49/FQLU9XAXM9EZ7C8Q49.SQUARE2.jpg http://cdn.instructables.com/FQL/U9XA/XM9EZ7C8Q49/FQLU9XAXM9EZ7C8Q49.SQUARE.jpg http://cdn.instructables.com/FQL/U9XA/XM9EZ7C8Q49/FQLU9XAXM9EZ7C8Q49.SMALL.jpg juggler I have been involved in a local school (Portland Waldorf School) which has a blacksmithing program. There have been complaints about the smell of the coal burning and so I found out that charcoal can be used as the fuel instead of coal/coke. So I am building this charcoal maker so that the children ...
By: juggler

Continue Reading »]]>
Tue, 13 Mar 2007 19:18:37 PDT
HOW TO MAKE A FAKE SNOW http://www.instructables.com/id/HOW-TO-MAKE-A-FAKE-SNOW/
HOW TO MAKE A FAKE SNOW - More DIY How To Projects]]> http://cdn.instructables.com/FWH/P1YS/FR0ZHPEM/FWHP1YSFR0ZHPEM.SQUARE2.jpg http://cdn.instructables.com/FWH/P1YS/FR0ZHPEM/FWHP1YSFR0ZHPEM.SQUARE.jpg http://cdn.instructables.com/FWH/P1YS/FR0ZHPEM/FWHP1YSFR0ZHPEM.SMALL.jpg 2743 In this instructable I will show you how to make an artificial snow.It is fun, easy to make ,looks like a real, feel cool to the touch , last for few days and non-toxic(doesn't mean that you can eat it). For the person who live in a country that doesn't have a snow, try to make some!! THE resourc...
By: 2743

Continue Reading »]]>
Sun, 15 Feb 2009 01:10:14 PST
Decomposition of Hydrogen peroxide by Potassium permanganate http://www.instructables.com/id/Decomposition-of-Hydrogen-peroxide-by-Potassium-pe/
Decomposition of Hydrogen peroxide by Potassium permanganate - More DIY How To Projects]]> http://cdn.instructables.com/FA1/OFKX/FZHLAUDH/FA1OFKXFZHLAUDH.SQUARE2.jpg http://cdn.instructables.com/FA1/OFKX/FZHLAUDH/FA1OFKXFZHLAUDH.SQUARE.jpg http://cdn.instructables.com/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
Make Copper Sulfate from Copper and Sulfuric acid (3 ways) http://www.instructables.com/id/Make-Copper-Sulfate-from-Copper-and-Sulfuric-acid-/
Make Copper Sulfate from Copper and Sulfuric acid (3 ways) - More DIY How To Projects]]> http://cdn.instructables.com/FBB/08DN/FXK6AFOG/FBB08DNFXK6AFOG.SQUARE2.jpg http://cdn.instructables.com/FBB/08DN/FXK6AFOG/FBB08DNFXK6AFOG.SQUARE.jpg http://cdn.instructables.com/FBB/08DN/FXK6AFOG/FBB08DNFXK6AFOG.SMALL.jpg NurdRage We make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.Copper does not directly react with sulfuric acid so some form of oxidant is needed. Hydrogen peroxide and nitric acid are excellent oxidants and the first two methods demonstrate this. The...
By: NurdRage

Continue Reading »]]>
Sat, 25 Jul 2009 19:52:26 PDT
Make Lye From Salt and Gelatin http://www.instructables.com/id/Make-Lye-From-Salt-and-Gelatin/
Make Lye From Salt and Gelatin - More DIY How To Projects]]> http://cdn.instructables.com/F2A/EZPG/GB5HE1XD/F2AEZPGGB5HE1XD.SQUARE2.jpg http://cdn.instructables.com/F2A/EZPG/GB5HE1XD/F2AEZPGGB5HE1XD.SQUARE.jpg http://cdn.instructables.com/F2A/EZPG/GB5HE1XD/F2AEZPGGB5HE1XD.SMALL.jpg egbertfitzwilly Granny's gone and so is her box of ashes for making lye. Here's a modern technique to make high quality lye (Sodium Hydroxide) at home for any number of reasons, including soap making. We'll be using an electrochemical process called electrolysis in a two chamber apparatus. In one chamber we will p...
By: egbertfitzwilly

Continue Reading »]]>
Tue, 13 Jul 2010 21:32:58 PDT
Make Potassium Chlorate from Bleach http://www.instructables.com/id/Make-Potassium-Chlorate-from-Bleach/
Make Potassium Chlorate from Bleach - More DIY How To Projects]]> http://cdn.instructables.com/FZH/CT2A/FUPUPMI1/FZHCT2AFUPUPMI1.SQUARE2.jpg http://cdn.instructables.com/FZH/CT2A/FUPUPMI1/FZHCT2AFUPUPMI1.SQUARE.jpg http://cdn.instructables.com/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
Diamagnetic Levitation Experiment http://www.instructables.com/id/Diamagnetic-Levitation-Experiment/
Diamagnetic Levitation Experiment - More DIY How To Projects]]> http://cdn.instructables.com/FR8/1U9Y/RL5EYF7J637/FR81U9YRL5EYF7J637.SQUARE2.jpg http://cdn.instructables.com/FR8/1U9Y/RL5EYF7J637/FR81U9YRL5EYF7J637.SQUARE.jpg http://cdn.instructables.com/FR8/1U9Y/RL5EYF7J637/FR81U9YRL5EYF7J637.SMALL.jpg Otherpower Magnetic levitation is really fun to experiment with, and can make a great science fair project. However, it's hard to get dramatic results--the problem goes back to Earnshaw's theorem from 1842. He proved mathematically that any electrical or magnetic levitation would require an extra axis of stabi...
By: Otherpower

Continue Reading »]]>
Sun, 25 Feb 2007 11:17:12 PST
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

Continue Reading »]]>
Fri, 19 Feb 2010 01:26:11 PST
MICROWAVE RADIATION http://www.instructables.com/id/MICROWAVE-RADIATION/
MICROWAVE RADIATION - More DIY How To Projects]]> http://cdn.instructables.com/FF5/5DDL/GLL4ZIC0/FF55DDLGLL4ZIC0.SQUARE2.jpg http://cdn.instructables.com/FF5/5DDL/GLL4ZIC0/FF55DDLGLL4ZIC0.SQUARE.jpg http://cdn.instructables.com/FF5/5DDL/GLL4ZIC0/FF55DDLGLL4ZIC0.SMALL.jpg Jimmy Proton I love microwaves, I think they are the coolest thing ever. My science teacher even let me teach a lesson (that I made) on microwaves! On this instructable I will teach you a thing or two about microwave radiation. history of micorwaves Microwaves were first predicted by James Clerk Maxwell (seco...
By: Jimmy Proton

Continue Reading »]]>
Sun, 27 Mar 2011 16:57:55 PDT