Instructables: exploring - technology - science - science - featured http://www.instructables.com Sat, 19 Apr 2014 23:46:33 PDT BLOX v1.01 How To: Get an Egg Through a Bottleneck http://www.instructables.com/id/How-To-Get-an-Egg-Through-a-Bottleneck/
How To: Get an Egg Through a Bottleneck - More DIY How To Projects]]> http://cdn.instructables.com/F50/HYE0/HTK2IRVO/F50HYE0HTK2IRVO.SQUARE2.jpg http://cdn.instructables.com/F50/HYE0/HTK2IRVO/F50HYE0HTK2IRVO.SQUARE.jpg http://cdn.instructables.com/F50/HYE0/HTK2IRVO/F50HYE0HTK2IRVO.SMALL.jpg kelleymarie A quick, easy tutorial on how to get an egg through a bottleneck and into a bottle--a classic, wow your friends science experiment.  Bottom line, science is cool. It's got the wow factor of magic and the additional bonus in that it helps us explore the world around us. This experiment is no excepti...
By: kelleymarie

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Thu, 3 Apr 2014 18:02:14 PDT
Fitzroy Storm Glass http://www.instructables.com/id/Fitzroy-Storm-Glass/
Fitzroy Storm Glass - More DIY How To Projects]]> http://cdn.instructables.com/FWD/WW09/HPAOYY9H/FWDWW09HPAOYY9H.SQUARE2.jpg http://cdn.instructables.com/FWD/WW09/HPAOYY9H/FWDWW09HPAOYY9H.SQUARE.jpg http://cdn.instructables.com/FWD/WW09/HPAOYY9H/FWDWW09HPAOYY9H.SMALL.jpg pudtiny This instructable will take you through the steps of making a Fitzroy Storm Glass. Fitzroy's Storm Glass - Weather Instrument Used on Darwin's Ship the HMS Beagle Admiral Fitzroy (1805-1865), as commander of HMS Beagle, participated in the Darwin Expedition from 1834-1836. In addition to his naval ...
By: pudtiny

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Tue, 17 Dec 2013 07:14:46 PST
Save money on your DIY laboratory - robust, easy to focus USB microscope http://www.instructables.com/id/Save-money-on-your-DIY-laboratory-robust-easy-to-f/
Save money on your DIY laboratory - robust, easy to focus USB microscope - More DIY How To Projects]]> http://cdn.instructables.com/F3Z/6GSB/HJAI2GB5/F3Z6GSBHJAI2GB5.SQUARE2.jpg http://cdn.instructables.com/F3Z/6GSB/HJAI2GB5/F3Z6GSBHJAI2GB5.SQUARE.jpg http://cdn.instructables.com/F3Z/6GSB/HJAI2GB5/F3Z6GSBHJAI2GB5.SMALL.jpg Dean Wilson There are plenty of examples of how to build a USB microscope from an old web-cam out there. This design builds on those examples by using a plastic twist pack (also known as 'Bolt cases' and often used for storing machine tool cutters) to provide a cheap, elegant, robust and easy to use focusing me...
By: Dean Wilson

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Mon, 9 Dec 2013 16:27:33 PST
PIE-rotechnic Thanksgiving Dessert! (Mega Dangerous) http://www.instructables.com/id/PIE-rotechnic-Thanksgiving-Dessert-Mega-Dangerous/
PIE-rotechnic Thanksgiving Dessert! (Mega Dangerous) - More DIY How To Projects]]> http://cdn.instructables.com/FQS/YJ1G/HO7XGB68/FQSYJ1GHO7XGB68.SQUARE2.jpg http://cdn.instructables.com/FQS/YJ1G/HO7XGB68/FQSYJ1GHO7XGB68.SQUARE.jpg http://cdn.instructables.com/FQS/YJ1G/HO7XGB68/FQSYJ1GHO7XGB68.SMALL.jpg The King of Random An innocent looking pumpkin pie erupts an insane fountain of flames and fire! Watch the Video! WARNING: This project is for demonstrational, educational, and entertainment purposes only.   It is not intended to be duplicated.  This experiment should only be attempted by experienced professi...
By: The King of Random

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Sat, 23 Nov 2013 14:57:48 PST
10 Things To Do at a Birthday Party with Liquid Nitrogen! http://www.instructables.com/id/10-Things-To-Do-at-a-Birthday-Party-with-Liquid-Ni/
10 Things To Do at a Birthday Party with Liquid Nitrogen! - More DIY How To Projects]]> http://cdn.instructables.com/FB2/SW7Z/HLR2IFVP/FB2SW7ZHLR2IFVP.SQUARE2.jpg http://cdn.instructables.com/FB2/SW7Z/HLR2IFVP/FB2SW7ZHLR2IFVP.SQUARE.jpg http://cdn.instructables.com/FB2/SW7Z/HLR2IFVP/FB2SW7ZHLR2IFVP.SMALL.jpg The King of Random 10 tricks with liquid nitrogen that you could try at your next party, but probably shouldn't! Watch the Video!   WARNING:  These projects and results are depictions of my own personal experiences, which may vary depending on location, and modifications to project ideas.  There may be risks ...
By: The King of Random

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Thu, 19 Sep 2013 08:46:40 PDT
Dry Ice Bubble Project for Kids http://www.instructables.com/id/Dry-Ice-Bubble-Project-for-Kids/
Dry Ice Bubble Project for Kids - More DIY How To Projects]]> http://cdn.instructables.com/F3O/8BXV/HJKBU5GL/F3O8BXVHJKBU5GL.SQUARE2.jpg http://cdn.instructables.com/F3O/8BXV/HJKBU5GL/F3O8BXVHJKBU5GL.SQUARE.jpg http://cdn.instructables.com/F3O/8BXV/HJKBU5GL/F3O8BXVHJKBU5GL.SMALL.jpg HollyMann This is a dry ice project that kids should have a lot of fun with! In addition to having fun, they'll also learn the science behind dry ice. My son had a lot of fun playing around with it - but you need to be extremely careful so you and the kids don't get hurt. Dry ice is frozen carbon dioxide - th...
By: HollyMann

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Sun, 18 Aug 2013 16:44:26 PDT
Microbial Fuel Cell Of Science!!! http://www.instructables.com/id/Microbial-Fuel-Cell-Of-Science/
Microbial Fuel Cell Of Science!!! - More DIY How To Projects]]> http://cdn.instructables.com/FGJ/9QIM/HKDFFU2S/FGJ9QIMHKDFFU2S.SQUARE2.jpg http://cdn.instructables.com/FGJ/9QIM/HKDFFU2S/FGJ9QIMHKDFFU2S.SQUARE.jpg http://cdn.instructables.com/FGJ/9QIM/HKDFFU2S/FGJ9QIMHKDFFU2S.SMALL.jpg drdan152 Fuel cell that harvests electrons from the bacteria in mud! And ELECTRons mean ELECTRicity....you get me? The cell also makes a great habitat for a beta fish... The bacteria decompose the fish poop adding to the cell's fuel and keeping the water clean! Get Some MUCK! "MUCK" is actually the corr...
By: drdan152

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Fri, 9 Aug 2013 13:55:17 PDT
How to create a Science Hack Day http://www.instructables.com/id/How-to-create-a-Science-Hack-Day/
How to create a Science Hack Day - More DIY How To Projects]]> http://cdn.instructables.com/FB8/EKOU/HFBK91CL/FB8EKOUHFBK91CL.SQUARE2.jpg http://cdn.instructables.com/FB8/EKOU/HFBK91CL/FB8EKOUHFBK91CL.SQUARE.jpg http://cdn.instructables.com/FB8/EKOU/HFBK91CL/FB8EKOUHFBK91CL.SMALL.jpg arielwaldman (photo by Matt Biddulph) Science Hack Day is a 48-hour-all-night event where anyone excited about making weird, silly or serious things with science comes together in the same physical space to see what they can prototype within 24 consecutive hours. Designers, developers, scientists and anyone who...
By: arielwaldman

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Tue, 9 Apr 2013 21:47:11 PDT
Make a Hail-Pad without any Styrofoam or Foil! http://www.instructables.com/id/Making-a-Hail-Pad-without-any-Styrofoam-or-Foil/
Make a Hail-Pad without any Styrofoam or Foil! - More DIY How To Projects]]> http://cdn.instructables.com/FGT/1VR7/HBNXWW62/FGT1VR7HBNXWW62.SQUARE2.jpg http://cdn.instructables.com/FGT/1VR7/HBNXWW62/FGT1VR7HBNXWW62.SQUARE.jpg http://cdn.instructables.com/FGT/1VR7/HBNXWW62/FGT1VR7HBNXWW62.SMALL.jpg 3ddementor In accordance to one of the Citizen Science challenges from SciStarter.com,  it describes to create an inexpensive and efficient type of hail-pad for organizations such as the CoCoRaHS, that can accurately display the size, orientation and number of hailstones throughout a hailstorm. This challenge ...
By: 3ddementor

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Wed, 9 Jan 2013 23:42:49 PST
Tornado Machine http://www.instructables.com/id/Tornado-Machine/
Tornado Machine - More DIY How To Projects]]> http://cdn.instructables.com/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SQUARE2.jpg http://cdn.instructables.com/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SQUARE.jpg http://cdn.instructables.com/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SMALL.jpg ixisuprflyixi I have made a number of these "tornado machines" in the past and everyone usually enjoys them but because I make things in such a careless way I often don't take photos and everything is one of a kind.  However, Instructables is helping me to change all that. Now I plan and research and make models ...
By: ixisuprflyixi

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Tue, 18 Dec 2012 20:34:09 PST
Wave Pendulum http://www.instructables.com/id/Wave-Pendulum/
Wave Pendulum - More DIY How To Projects]]> http://cdn.instructables.com/FM0/0D5W/GXFXNMYT/FM00D5WGXFXNMYT.SQUARE2.jpg http://cdn.instructables.com/FM0/0D5W/GXFXNMYT/FM00D5WGXFXNMYT.SQUARE.jpg http://cdn.instructables.com/FM0/0D5W/GXFXNMYT/FM00D5WGXFXNMYT.SMALL.jpg SargentPepper The holiday season is much anticipated by people of all ages, it is a time for good food, family, vacation, and fun!  But also a time to figure out what to give people... which can prove to be a difficult task.  For me, it's one of those things that I have great ideas for all year round but when the...
By: SargentPepper

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Mon, 16 Jan 2012 20:16:15 PST
How to make a hexaflexagon http://www.instructables.com/id/How-to-make-a-hexaflexagon/
How to make a hexaflexagon - More DIY How To Projects]]> http://cdn.instructables.com/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SQUARE2.jpg http://cdn.instructables.com/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SQUARE.jpg http://cdn.instructables.com/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SMALL.jpg nerdnurture This is another magic pocket study tool I teach my students how to make. It is what is called a trihexaflexagon, which means basically a hexagon you can turn inside out to reveal a total of 3 complete faces (or sides of the paper). They put notes on these things and keep them in their pockets to m...
By: nerdnurture

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Fri, 21 Mar 2008 17:58:59 PDT
Hover Sled 1.0 http://www.instructables.com/id/Hover-Sled-10/
Hover Sled 1.0 - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SQUARE2.jpg http://cdn.instructables.com/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SQUARE.jpg http://cdn.instructables.com/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SMALL.jpg z0rb      Some time ago, I saw someone, somewhere floating about on a homemade hovercraft, slapped together with little more than a shower curtain, a piece of plywood and an old vacuum cleaner. This of course set me to thinking about how I could join the ranks of such bold aeronauts of the DIY persuasion...
By: z0rb

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Sun, 5 Aug 2012 11:57:49 PDT
Unique Pendulum Wave and Release Mechanism http://www.instructables.com/id/Unique-Pendulum-Wave-and-Release-Mechanism/
Unique Pendulum Wave and Release Mechanism - More DIY How To Projects]]> http://cdn.instructables.com/FNE/D3JR/H2WEWBEF/FNED3JRH2WEWBEF.SQUARE2.jpg http://cdn.instructables.com/FNE/D3JR/H2WEWBEF/FNED3JRH2WEWBEF.SQUARE.jpg http://cdn.instructables.com/FNE/D3JR/H2WEWBEF/FNED3JRH2WEWBEF.SMALL.jpg Coxster This is the first half of a two-part instructable. This first half deals primarily with the math (algebra, trigonometry, geometry) involved in creating a pendulum wave and the release, deriving the pendulum wave design and dimensions. Part 2 will detail the process of constucting the pendulum wave. ...
By: Coxster

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Mon, 4 Jun 2012 20:48:31 PDT
Magicolor shadow lamps http://www.instructables.com/id/Magicolor-shadow-lamps/
Magicolor shadow lamps - More DIY How To Projects]]> http://cdn.instructables.com/FJC/9JBF/H2WEQ9J6/FJC9JBFH2WEQ9J6.SQUARE2.jpg http://cdn.instructables.com/FJC/9JBF/H2WEQ9J6/FJC9JBFH2WEQ9J6.SQUARE.jpg http://cdn.instructables.com/FJC/9JBF/H2WEQ9J6/FJC9JBFH2WEQ9J6.SMALL.jpg ynze Blending colored light beams is absolutely amazing and fascinating!  By hacking three (extremely cheap) Ikea spotlights into red, green and blue light sources, you can make a fascinating science experiment set-up or museum exhibit. There are two things about this experiment / activity that I really...
By: ynze

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Mon, 4 Jun 2012 21:42:56 PDT
How to Obtain and Extract Americium http://www.instructables.com/id/How-to-Obtain-and-Extract-Americium/
How to Obtain and Extract Americium - More DIY How To Projects]]> http://cdn.instructables.com/FMA/O32J/GWF6ECQZ/FMAO32JGWF6ECQZ.SQUARE2.jpg http://cdn.instructables.com/FMA/O32J/GWF6ECQZ/FMAO32JGWF6ECQZ.SQUARE.jpg http://cdn.instructables.com/FMA/O32J/GWF6ECQZ/FMAO32JGWF6ECQZ.SMALL.jpg Mr.Science Projects This instructible shows how to obtain and extract Americium,have fun :) How to Obtain and Extract Americium Inside inexpensive smoke alarms is a tiny amount of the radioactive element Americium. The isotope used, americium 241, has a half life of 452 years. Since americium 241 decays into the muc...
By: Mr.Science Projects

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Wed, 21 Dec 2011 05:05:36 PST
Avalanche Disk Granular Physics Demonstrator http://www.instructables.com/id/Avalanche-Disk-Granular-Physics-Demonstrator/
Avalanche Disk Granular Physics Demonstrator - More DIY How To Projects]]> http://cdn.instructables.com/FP0/5GDP/GW88L8OX/FP05GDPGW88L8OX.SQUARE2.jpg http://cdn.instructables.com/FP0/5GDP/GW88L8OX/FP05GDPGW88L8OX.SQUARE.jpg http://cdn.instructables.com/FP0/5GDP/GW88L8OX/FP05GDPGW88L8OX.SMALL.jpg caitlinsdad Build your own avalanche disk to observe granular physics in action.  A single granule is a solid but when it interacts with many, it may behave as a solid, liquid, or gas. I first saw one of these a while back in some science museum that I took Caitlin to.  It was more of an art installation where...
By: caitlinsdad

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Fri, 16 Dec 2011 19:14:55 PST
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

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Wed, 14 Dec 2011 09:07:59 PST
Build a Lab Quality (ish) Distillation Apparatus. http://www.instructables.com/id/Build-a-Lab-Quality-Distillation-Apparatus/
Build a Lab Quality (ish) Distillation Apparatus. - More DIY How To Projects]]> http://cdn.instructables.com/FTB/71N0/GU63Y2HT/FTB71N0GU63Y2HT.SQUARE2.jpg http://cdn.instructables.com/FTB/71N0/GU63Y2HT/FTB71N0GU63Y2HT.SQUARE.jpg http://cdn.instructables.com/FTB/71N0/GU63Y2HT/FTB71N0GU63Y2HT.SMALL.jpg laserjocky There are a few Instructables out there on how to create stills for various purposes. Usually these include a large amount of small diameter, flexible copper refrigerator tubing. While these stills can be quite effective, there is just something a little hokey about them. Especially the part where ...
By: laserjocky

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Mon, 24 Oct 2011 23:10:26 PDT
Prepare for the Science Fair http://www.instructables.com/id/Prepare-for-the-Science-Fair/ http://cdn.instructables.com/FYC/V9PX/GS3BCV8M/FYCV9PXGS3BCV8M.SQUARE2.jpg http://cdn.instructables.com/FYC/V9PX/GS3BCV8M/FYCV9PXGS3BCV8M.SQUARE.jpg http://cdn.instructables.com/FYC/V9PX/GS3BCV8M/FYCV9PXGS3BCV8M.SMALL.jpg sciencesiblings An animated short explaining the steps to completing a science fair project. Created by Kevin Temmer. © Copyright 2011 Kevin Temmer  www.kevintemmer.com
By: sciencesiblings

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Thu, 8 Sep 2011 08:04:21 PDT
DIY Electron Accelerator: A Cathode Ray Tube in a Wine Bottle http://www.instructables.com/id/DIY-Electron-Accelerator-A-Cathode-Ray-Tube-in-a-/
DIY Electron Accelerator: A Cathode Ray Tube in a Wine Bottle - More DIY How To Projects]]> http://cdn.instructables.com/FFY/39OD/GRFMV8TV/FFY39ODGRFMV8TV.SQUARE2.jpg http://cdn.instructables.com/FFY/39OD/GRFMV8TV/FFY39ODGRFMV8TV.SQUARE.jpg http://cdn.instructables.com/FFY/39OD/GRFMV8TV/FFY39ODGRFMV8TV.SMALL.jpg Xellers Learn how to build your own subatomic particle accelerator in a weekend! This simple project will allow you to investigate a variety of intriguing effects including magnetic deflection of an electron beam, Crookes dark space, plasma striations in a gas discharge tube, and many others. It can easily ...
By: Xellers

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Sat, 20 Aug 2011 22:34:19 PDT
Set Up Your Home Chemistry Lab http://www.instructables.com/id/Set-Up-Your-Home-Chemistry-Lab/
Set Up Your Home Chemistry Lab - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/8ZXK/GRFN1DX5/FJ18ZXKGRFN1DX5.SQUARE2.jpg http://cdn.instructables.com/FJ1/8ZXK/GRFN1DX5/FJ18ZXKGRFN1DX5.SQUARE.jpg http://cdn.instructables.com/FJ1/8ZXK/GRFN1DX5/FJ18ZXKGRFN1DX5.SMALL.jpg Pyrophoric A concise introduction to home chemistry and methods/utensils for an improvised chem lab setup - for those interested in setting up their very own home chemistry laboratory.   Tired of watching a nurdrage video and not having the means to try it at home? Make a lab.  We will be using various met...
By: Pyrophoric

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Wed, 17 Aug 2011 20:33:32 PDT
How to Get Started in Amateur Astronomy http://www.instructables.com/id/How-to-Get-Started-in-Amateur-Astronomy/
How to Get Started in Amateur Astronomy - More DIY How To Projects]]> http://cdn.instructables.com/FZD/HGZD/H9G0SYIN/FZDHGZDH9G0SYIN.SQUARE2.jpg http://cdn.instructables.com/FZD/HGZD/H9G0SYIN/FZDHGZDH9G0SYIN.SQUARE.jpg http://cdn.instructables.com/FZD/HGZD/H9G0SYIN/FZDHGZDH9G0SYIN.SMALL.jpg depotdevoid Astronomy is the study of the stars, planets, and other celestial objects that populate the sky.  It is an endlessly fascinating field, the oldest of the natural sciences, and one of the few areas of science that amateurs can directly assist the professionals.  It is open and accessible for any leve...
By: depotdevoid

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Sun, 31 Jul 2011 12:07:16 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
The Poong Stick ("Whistling Stick") http://www.instructables.com/id/The-Poong-Stick/
The Poong Stick ("Whistling Stick") - More DIY How To Projects]]> http://cdn.instructables.com/FYX/DS2O/GOHMB8P6/FYXDS2OGOHMB8P6.SQUARE2.jpg http://cdn.instructables.com/FYX/DS2O/GOHMB8P6/FYXDS2OGOHMB8P6.SQUARE.jpg http://cdn.instructables.com/FYX/DS2O/GOHMB8P6/FYXDS2OGOHMB8P6.SMALL.jpg Kiteman This is a neat, and very quick little toy that I first came across on the "Happy Scientist" website. A couple of minute's work, and you have a toy to keep the kids happy, a fun craft activity, a hook for a fascinating science lesson, and probably the cheapest and quickest at that. Materials ...
By: Kiteman

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Tue, 7 Jun 2011 11:33:39 PDT
Make Multicolored Carnations . . . With Science! http://www.instructables.com/id/Make-a-Bouquet-of-Multicolored-Carnations/
Make Multicolored Carnations . . . With Science! - More DIY How To Projects]]> http://cdn.instructables.com/FNC/OJZL/GKAYXZQC/FNCOJZLGKAYXZQC.SQUARE2.jpg http://cdn.instructables.com/FNC/OJZL/GKAYXZQC/FNCOJZLGKAYXZQC.SQUARE.jpg http://cdn.instructables.com/FNC/OJZL/GKAYXZQC/FNCOJZLGKAYXZQC.SMALL.jpg depotdevoid Inspired by user NurdRage's video of how to make your flowers glow under UV light, I revisited an old science experiment from middle school.  India and I turned a bland spray of white carnations into this lovely bouquet of multicolored flowers, just in time for Valentine's Day. So come along and j...
By: depotdevoid

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Sun, 20 Feb 2011 23:40:03 PST
Make Glow Sticks - The Science http://www.instructables.com/id/Make-Glow-Sticks-The-Science/ http://cdn.instructables.com/FHR/8MK8/GBOTJEXQ/FHR8MK8GBOTJEXQ.SQUARE2.jpg http://cdn.instructables.com/FHR/8MK8/GBOTJEXQ/FHR8MK8GBOTJEXQ.SQUARE.jpg http://cdn.instructables.com/FHR/8MK8/GBOTJEXQ/FHR8MK8GBOTJEXQ.SMALL.jpg NurdRage We show how to make glow sticks and go through all the chemicals needed as well as how to make different colors. We also talk about the chemistry and scientifically research a proposed mechanism. To make the glow stick mix together the following: 10mL Diethyl Phthalate (solvent) 3mg of fluorescent...
By: NurdRage

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Sat, 17 Jul 2010 18:56:54 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 Make A Homemade Electric Telegraph! http://www.instructables.com/id/How-To-Make-A-Homemade-Electric-Telegraph!/ http://cdn.instructables.com/F8C/RJWL/F9T3NIWS/F8CRJWLF9T3NIWS.SQUARE2.jpg http://cdn.instructables.com/F8C/RJWL/F9T3NIWS/F8CRJWLF9T3NIWS.SQUARE.jpg http://cdn.instructables.com/F8C/RJWL/F9T3NIWS/F8CRJWLF9T3NIWS.SMALL.jpg johnnyrockstah Make a homemade electronic telegraph for sending morse code messages to family and friends. No soldering required. MATERIALS NEEDED:Two pieces of cardboard (5x7 inches)Two pieces of cardboard (2x4 inches)Duct tapeJumbo paper clipSciccorsThumbtackMini BuzzerRuler One short wireLight bulb from Christm...
By: johnnyrockstah

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Fri, 7 Dec 2007 13:14:34 PST
Wiimote Rubens Tube: Control Fire With Sound! (And a Nintendo Wiimote!) http://www.instructables.com/id/Wiimote-Rubens-Tube%3a-Control-Fire-With-Sound!-And/
Wiimote Rubens Tube: Control Fire With Sound! (And a Nintendo Wiimote!) - More DIY How To Projects]]> http://cdn.instructables.com/F63/03PD/F5R8MTEZ/F6303PDF5R8MTEZ.SQUARE2.jpg http://cdn.instructables.com/F63/03PD/F5R8MTEZ/F6303PDF5R8MTEZ.SQUARE.jpg http://cdn.instructables.com/F63/03PD/F5R8MTEZ/F6303PDF5R8MTEZ.SMALL.jpg ScaryBunnyMan A Ruben's tube is essentially a demonstration of standing waves in air. Numerous very small holes are drilled at lengths through the top of the tube and propane or a similar gas is fed through it. By forcing sound waves into the tube through a speaker at one end, varying areas of pressure a...
By: ScaryBunnyMan

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Tue, 28 Aug 2007 09:09:31 PDT
DIY Lightning Wand -- A Handheld Van de Graaff Generator http://www.instructables.com/id/DIY-Lightning-Wand-a-Handheld-Van-de-Graaff-Genera/
DIY Lightning Wand -- A Handheld Van de Graaff Generator - More DIY How To Projects]]> http://cdn.instructables.com/FSB/248I/G61ASDY7/FSB248IG61ASDY7.SQUARE2.jpg http://cdn.instructables.com/FSB/248I/G61ASDY7/FSB248IG61ASDY7.SQUARE.jpg http://cdn.instructables.com/FSB/248I/G61ASDY7/FSB248IG61ASDY7.SMALL.jpg yardleydobon Most instructions for building a Van de Graaff generator (VDG) are for tabletop models; however VDGs grounded through a person work well enough to make a handheld version possible. The Fun Fly Stick, a popular toy, is an example of a handheld VDG. This instructable will show you how to make your own...
By: yardleydobon

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Tue, 2 Mar 2010 02:33:54 PST
Space Frame Structure Force Sensors http://www.instructables.com/id/Space-Frame-Structure-Force-Sensors/
Space Frame Structure Force Sensors - More DIY How To Projects]]> http://cdn.instructables.com/FTX/8ULH/G1QWAY46/FTX8ULHG1QWAY46.SQUARE2.jpg http://cdn.instructables.com/FTX/8ULH/G1QWAY46/FTX8ULHG1QWAY46.SQUARE.jpg http://cdn.instructables.com/FTX/8ULH/G1QWAY46/FTX8ULHG1QWAY46.SMALL.jpg kronick Space frames are super efficient structures made entirely from straight pieces of material, joined together at their ends to form complex 3D shapes.They can look like this, this, or this. They can be gigantic, but are also cool on a small scale, like this space frame bench I built.Their advantages i...
By: kronick

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Tue, 10 Nov 2009 01:25:42 PST
Tsunami Model http://www.instructables.com/id/Tsunami-Model/
Tsunami Model - More DIY How To Projects]]> http://cdn.instructables.com/FOC/N3IV/G068I98R/FOCN3IVG068I98R.SQUARE2.jpg http://cdn.instructables.com/FOC/N3IV/G068I98R/FOCN3IVG068I98R.SQUARE.jpg http://cdn.instructables.com/FOC/N3IV/G068I98R/FOCN3IVG068I98R.SMALL.jpg walkalongaviation Ever wonder what a tsunami is? Turns out tsunami follow the same physics as shallow water waves on an unimaginable scale (where the ocean, miles deep, is shallow compared to the length of the wave). Here 3 gutter segments are duct taped together to create a shallow water wave tank: The 3 sections of...
By: walkalongaviation

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Thu, 1 Oct 2009 12:57:34 PDT
The Office Worker's Portable Solar Oven http://www.instructables.com/id/The-Office-Workers-Portable-Solar-Oven/
The Office Worker's Portable Solar Oven - More DIY How To Projects]]> http://cdn.instructables.com/FWG/ARE6/G068LSXU/FWGARE6G068LSXU.SQUARE2.jpg http://cdn.instructables.com/FWG/ARE6/G068LSXU/FWGARE6G068LSXU.SQUARE.jpg http://cdn.instructables.com/FWG/ARE6/G068LSXU/FWGARE6G068LSXU.SMALL.jpg z0rb In keeping with the grand tradition of creating ways to warm my lunch at work with readily available office supplies, I present for your review, dear reader The Office Worker's Portable Solar Oven. The Situation Due to circumstances beyond my control, my cubicle at work is close to both the bre...
By: z0rb

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Tue, 29 Sep 2009 19:01:55 PDT
Make Your Own: Black Hole Fabricator!! http://www.instructables.com/id/Make-Your-Own-Black-Hole/
Make Your Own: Black Hole Fabricator!! - More DIY How To Projects]]> http://cdn.instructables.com/F5Z/I8LA/FZQ1GQO9/F5ZI8LAFZQ1GQO9.SQUARE2.jpg http://cdn.instructables.com/F5Z/I8LA/FZQ1GQO9/F5ZI8LAFZQ1GQO9.SQUARE.jpg http://cdn.instructables.com/F5Z/I8LA/FZQ1GQO9/F5ZI8LAFZQ1GQO9.SMALL.jpg 007dna This will tell you how to make a real, down to earth black hole. I swear this is a real instructable! Now, if you have the money, I invite you to build this project. Guaranteed that the FBI doesn't blow your house up first. So, I will also tell you that, because I haven't the money, I have not exact...
By: 007dna

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Mon, 21 Sep 2009 13:30:27 PDT
Knex Buckyball http://www.instructables.com/id/Knex-Buckyball/
Knex Buckyball - More DIY How To Projects]]> http://cdn.instructables.com/FZ9/BB5B/FY1ZA49K/FZ9BB5BFY1ZA49K.SQUARE2.jpg http://cdn.instructables.com/FZ9/BB5B/FY1ZA49K/FZ9BB5BFY1ZA49K.SQUARE.jpg http://cdn.instructables.com/FZ9/BB5B/FY1ZA49K/FZ9BB5BFY1ZA49K.SMALL.jpg ergolicious Everyone likes buckyballs, so what I did was make my a buckyball structure out of k'nex. It's fairly easy to build and can be built in about 15 minutes.For this project you will need- 60 full moon connectors- 60 blue flexi rods- 30 normal blue rods150 pieces total. Making the pentagons First thin...
By: ergolicious

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Fri, 7 Aug 2009 11:33:03 PDT
Popsicle Stick Bridge http://www.instructables.com/id/Popsicle-Stick-Bridge/
Popsicle Stick Bridge - More DIY How To Projects]]> http://cdn.instructables.com/FEJ/RSKP/FT7PUCE9/FEJRSKPFT7PUCE9.SQUARE2.jpg http://cdn.instructables.com/FEJ/RSKP/FT7PUCE9/FEJRSKPFT7PUCE9.SQUARE.jpg http://cdn.instructables.com/FEJ/RSKP/FT7PUCE9/FEJRSKPFT7PUCE9.SMALL.jpg drinkmorecoffee The popsicle stick bridge is a classic science demonstration and competition. Every year many students world-wide build bridges made soley from popsicle sticks and glue, to see which designs can hold the most weight.We built one, using maybe 140 sticks, give or take a few. Not expecting it to hold m...
By: drinkmorecoffee

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Mon, 20 Apr 2009 15:52:38 PDT
Rum Bubble Surprise http://www.instructables.com/id/Rum-Bubble-Surprise/
Rum Bubble Surprise - More DIY How To Projects]]> http://cdn.instructables.com/FO6/D06K/FMMD5UOR/FO6D06KFMMD5UOR.SQUARE2.jpg http://cdn.instructables.com/FO6/D06K/FMMD5UOR/FO6D06KFMMD5UOR.SQUARE.jpg http://cdn.instructables.com/FO6/D06K/FMMD5UOR/FO6D06KFMMD5UOR.SMALL.jpg Mongpoovian One of the great things about molecular gastronomy is it gives us techniques that allow surprising and unusual elemnts to be incorporated into a dish that would be otherwise impossible.In this riff on bananas foster, a sphere of rum is served on top of a piece of cake and a slice of banana, after be...
By: Mongpoovian

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Sun, 26 Oct 2008 16:35:57 PDT
Sugar Glass http://www.instructables.com/id/Sugar-Glass/
Sugar Glass - More DIY How To Projects]]> http://cdn.instructables.com/FLX/Z9Q4/FMMCVEVT/FLXZ9Q4FMMCVEVT.SQUARE2.jpg http://cdn.instructables.com/FLX/Z9Q4/FMMCVEVT/FLXZ9Q4FMMCVEVT.SQUARE.jpg http://cdn.instructables.com/FLX/Z9Q4/FMMCVEVT/FLXZ9Q4FMMCVEVT.SMALL.jpg ERNesbitt Sugar glass is, at its most basic, a molded lollipop. It is candy which has been molded to look like glass. It has been used in films, and theater for a very long time (in other words, I don't know exactly, but it's been a while). It is hard candy, but to get the right physical properties require...
By: ERNesbitt

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Sun, 26 Oct 2008 02:02:44 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
How to Make a Popsci 5-Minute Project http://www.instructables.com/id/How-to-Make-a-Popsci-5-Minute-Project/
How to Make a Popsci 5-Minute Project - More DIY How To Projects]]> http://cdn.instructables.com/F1W/59K4/FKX1AEQ9/F1W59K4FKX1AEQ9.SQUARE2.jpg http://cdn.instructables.com/F1W/59K4/FKX1AEQ9/F1W59K4FKX1AEQ9.SQUARE.jpg http://cdn.instructables.com/F1W/59K4/FKX1AEQ9/F1W59K4FKX1AEQ9.SMALL.jpg popsci5minutes Submit a 5-Minute Project for Popular Science! Each month we feature a cool and handy new project, and we're excited to showcase some ideas from the inventive Instructables community. Sometimes the most basic projects are the most ingenious. So we're looking for projects that are simple, useful, a...
By: popsci5minutes

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Wed, 10 Sep 2008 10:22:26 PDT
Home Built Hydroponics Unit for an 8th Grade Science Classroom - The Hydroshack Lives Again! http://www.instructables.com/id/Home-Built-Hydroponics-Unit-for-an-8th-Grade-Scien/
Home Built Hydroponics Unit for an 8th Grade Science Classroom - The Hydroshack Lives Again! - More DIY How To Projects]]> http://cdn.instructables.com/FOF/XSMG/FJ7JE6EQ/FOFXSMGFJ7JE6EQ.SQUARE2.jpg http://cdn.instructables.com/FOF/XSMG/FJ7JE6EQ/FOFXSMGFJ7JE6EQ.SQUARE.jpg http://cdn.instructables.com/FOF/XSMG/FJ7JE6EQ/FOFXSMGFJ7JE6EQ.SMALL.jpg Mikey D My wife teaches 8th grade science. This project "The Hydroshack" is a rendition of one I built over 20 years ago in my college teaching methods class. It is designed specifically for performing experiments in a science class. It therefore incorporates some modifications for flexibility and contro...
By: Mikey D

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Thu, 7 Aug 2008 00:15:49 PDT
Will it Centrifuge? (part 3 - the Club Edition.) http://www.instructables.com/id/Will-it-Centrifuge-part-3---the-Club-Edition./ http://cdn.instructables.com/FCF/F65Q/FGAGY9B2/FCFF65QFGAGY9B2.SQUARE2.jpg http://cdn.instructables.com/FCF/F65Q/FGAGY9B2/FCFF65QFGAGY9B2.SQUARE.jpg http://cdn.instructables.com/FCF/F65Q/FGAGY9B2/FCFF65QFGAGY9B2.SMALL.jpg Kiteman It had to happen.My science clubbers got wind of the centrifuge's existence, and demanded to have a go with their own samples. Some of them made their own mixtures, just to see if they could be separated by sheer force of gravity.The samples got spun up in batches of four:Batch 1:Hair gel mixed wit...
By: Kiteman

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Fri, 16 May 2008 13:30:07 PDT
Simple Rideable Hovercraft http://www.instructables.com/id/Simple-Rideable-Hovercraft/
Simple Rideable Hovercraft - More DIY How To Projects]]> http://cdn.instructables.com/FIC/B6GY/F0R12VBI/FICB6GYF0R12VBI.SQUARE2.jpg http://cdn.instructables.com/FIC/B6GY/F0R12VBI/FICB6GYF0R12VBI.SQUARE.jpg http://cdn.instructables.com/FIC/B6GY/F0R12VBI/FICB6GYF0R12VBI.SMALL.jpg Spl1nt3rC3ll A large hovercraft that you can ride! I made this before I found instructables so these pictures are the best I could do. Materials 1. Shopvac. 2. Plywood, 3ft or 4 ft square, 3/8in or 1/2in thick. 3. Coffee can lid or other small plastic disk. 4. Tarp 1ft larger then the wood. 5. Electric saber ...
By: Spl1nt3rC3ll

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Sat, 21 Apr 2007 14:57:53 PDT
Make a Super Bouncy Ball http://www.instructables.com/id/Make-a-Super-Bouncy-Ball/
Make a Super Bouncy Ball - More DIY How To Projects]]> http://cdn.instructables.com/FBM/6SMG/FB7FBTKH/FBM6SMGFB7FBTKH.SQUARE2.jpg http://cdn.instructables.com/FBM/6SMG/FB7FBTKH/FBM6SMGFB7FBTKH.SQUARE.jpg http://cdn.instructables.com/FBM/6SMG/FB7FBTKH/FBM6SMGFB7FBTKH.SMALL.jpg pudi.dk Welcome to my instructable, where I will tell you how to make a great little toy using a chemical reaction, and easy-to-get chemicals.Great science-fun for kids too! Materials needed This bouncy ball is made using a reaction between the two following chemicals:- Alcohol (Ethanol) - You should be...
By: pudi.dk

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Wed, 9 Jan 2008 12:49:18 PST
Giant Fresnel Lens Deathray: An Experiment in Optics http://www.instructables.com/id/Giant-Fresnel-Lens-Deathray-An-Experiment-in-Opti/
Giant Fresnel Lens Deathray: An Experiment in Optics - More DIY How To Projects]]> http://cdn.instructables.com/FYX/KHMU/FAKWPFXT/FYXKHMUFAKWPFXT.SQUARE2.jpg http://cdn.instructables.com/FYX/KHMU/FAKWPFXT/FYXKHMUFAKWPFXT.SQUARE.jpg http://cdn.instructables.com/FYX/KHMU/FAKWPFXT/FYXKHMUFAKWPFXT.SMALL.gif DrSimons So you don't have access to your own rail gun or military space laser....but never fear, we'll use the 1000 Watts/m2 of free sunlight in your backyard! But how?....A 13 square foot magnifying glass!Seriously. A solid glass lens that size would be silly, but instead we can use a 4 foot wide Fresnel l...
By: DrSimons

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Wed, 26 Dec 2007 15:42:56 PST
Science Fair - Articulated Hand < $20 http://www.instructables.com/id/Science-Fair---Articulated-Hand--20/
Science Fair - Articulated Hand < $20 - More DIY How To Projects]]> http://cdn.instructables.com/FR8/GJNK/FABRX0GA/FR8GJNKFABRX0GA.SQUARE2.jpg http://cdn.instructables.com/FR8/GJNK/FABRX0GA/FR8GJNKFABRX0GA.SQUARE.jpg http://cdn.instructables.com/FR8/GJNK/FABRX0GA/FR8GJNKFABRX0GA.SMALL.jpg rgraylint My niece Sydney needed help for a 7th grade Science Fair project. I helped another friend's daughter (Kaitlin) build an articulated hand for a project in the past and suggested we resurrect the project. The build is fun for the kids and I wanted to try some enhancements on the original idea. Mate...
By: rgraylint

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Sat, 22 Dec 2007 19:17:53 PST
Crystallization of homemade sodium acetate http://www.instructables.com/id/Crystallization-of-homemade-sodium-acetate/
Crystallization of homemade sodium acetate - More DIY How To Projects]]> http://cdn.instructables.com/FK3/ZH09/FA190DVX/FK3ZH09FA190DVX.SQUARE2.jpg http://cdn.instructables.com/FK3/ZH09/FA190DVX/FK3ZH09FA190DVX.SQUARE.jpg http://cdn.instructables.com/FK3/ZH09/FA190DVX/FK3ZH09FA190DVX.SMALL.jpg indigoandblack (Updated - see end, below)If you've ever wanted to play around with sodium acetate, but you're too much of a nerd to simply go online and buy some from a chemical supply house - noooo, that'd be too easy, you want to make it, from scratch - then this instructable is for you.Inside, I show the whole ...
By: indigoandblack

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Thu, 13 Dec 2007 15:45:11 PST
SinkScience with the Tesla CD Turbine http://www.instructables.com/id/Turkey-Time-Tesla-CD-Turbine/
SinkScience with the Tesla CD Turbine - More DIY How To Projects]]> http://cdn.instructables.com/FJL/UGWY/F9056RTB/FJLUGWYF9056RTB.SQUARE2.jpg http://cdn.instructables.com/FJL/UGWY/F9056RTB/FJLUGWYF9056RTB.SQUARE.jpg http://cdn.instructables.com/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

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Thu, 22 Nov 2007 02:12:13 PST
Make Rheopectic slime in less than 15 minutes! (It is not Oobleck) http://www.instructables.com/id/Make-Rheopectic-slime-in-less-than-15-minutes!-It/
Make Rheopectic slime in less than 15 minutes! (It is not Oobleck) - More DIY How To Projects]]> http://cdn.instructables.com/FOP/YM0P/F5Y3TS6M/FOPYM0PF5Y3TS6M.SQUARE2.jpg http://cdn.instructables.com/FOP/YM0P/F5Y3TS6M/FOPYM0PF5Y3TS6M.SQUARE.jpg http://cdn.instructables.com/FOP/YM0P/F5Y3TS6M/FOPYM0PF5Y3TS6M.SMALL.jpg syribia Welcome to my easy slime-making instructable.Update: I added the translucent and more slimy version. Check it out.First, I want to thank the kind help of JustAnotherDave who has done an excellent job editing this instructable. Thank you very much :)I'll show how to make your own high-quality slime (...
By: syribia

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Thu, 30 Aug 2007 08:15:29 PDT