Instructables: exploring - technology - science - featured http://www.instructables.com Wed, 16 Apr 2014 03:41:53 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
Asynchronous single-phase motor http://www.instructables.com/id/Asynchronous-single-phase-motor/
Asynchronous single-phase motor - More DIY How To Projects]]> http://cdn.instructables.com/FJB/9FZK/HSPP5YZJ/FJB9FZKHSPP5YZJ.SQUARE2.jpg http://cdn.instructables.com/FJB/9FZK/HSPP5YZJ/FJB9FZKHSPP5YZJ.SQUARE.jpg http://cdn.instructables.com/FJB/9FZK/HSPP5YZJ/FJB9FZKHSPP5YZJ.SMALL.jpg diato556 Sorry, I'm French and my english is not very good. This instructable shows a demonstration of a single-phase asynchronous motor (induction motor). I made some pieces with a metal lathe, but you can customize the implementation using a simple drill and recycled materials (metal, plastic, wood, cardb...
By: diato556

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Fri, 14 Mar 2014 00:58:15 PDT
Arduino and Plotly Based Seismograph http://www.instructables.com/id/Arduino-and-Plotly-Based-Seismograph/
Arduino and Plotly Based Seismograph - More DIY How To Projects]]> http://cdn.instructables.com/FBK/U5RN/HT2U2PVJ/FBKU5RNHT2U2PVJ.SQUARE2.jpg http://cdn.instructables.com/FBK/U5RN/HT2U2PVJ/FBKU5RNHT2U2PVJ.SQUARE.jpg http://cdn.instructables.com/FBK/U5RN/HT2U2PVJ/FBKU5RNHT2U2PVJ.SMALL.jpg 86 This is a simple arduino based Seismograph that send the data it collects to a python script that graphs the data live and can export it to plotly. This seismograph is fairly sensitive, it can detect a person jumping beside it. The seismograph is mostly made of wood and uses a simple arduino circu...
By: 86

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Sun, 23 Mar 2014 20:44:52 PDT
Simple dc motor with forward/reverse and self starting http://www.instructables.com/id/Simple-dc-motor-with-forwardreverse-and-self-start/
Simple dc motor with forward/reverse and self starting - More DIY How To Projects]]> http://cdn.instructables.com/FF8/BW2B/HSUELO2J/FF8BW2BHSUELO2J.SQUARE2.jpg http://cdn.instructables.com/FF8/BW2B/HSUELO2J/FF8BW2BHSUELO2J.SQUARE.jpg http://cdn.instructables.com/FF8/BW2B/HSUELO2J/FF8BW2BHSUELO2J.SMALL.jpg nlinventor Grandson Nicholas and I developed this simple motor for his school project. We checked the web for ideas and then evolved this motor that has a number of unique features that make the motor easy to start and run.  The motor also features a forward-reverse and speed control.   The motor armature rot...
By: nlinventor

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Tue, 18 Mar 2014 16:05:38 PDT
Chocolate, the physical side http://www.instructables.com/id/Physic-behind-chocolate/
Chocolate, the physical side - More DIY How To Projects]]> http://cdn.instructables.com/FRO/QUO5/HSM53MEW/FROQUO5HSM53MEW.SQUARE2.jpg http://cdn.instructables.com/FRO/QUO5/HSM53MEW/FROQUO5HSM53MEW.SQUARE.jpg http://cdn.instructables.com/FRO/QUO5/HSM53MEW/FROQUO5HSM53MEW.SMALL.jpg ivver The aim of this study is to find the lowest temperature at which chocolate can be in a liquid and the highest temperature at which it can be in a liquid state. I have also investigated the properties of chocolate like melting point and solidification temperature, energy required to heat the chocol...
By: ivver

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Tue, 11 Mar 2014 09:47:33 PDT
How-To Make Fireworks From Marshmallows, a Pyrotechnic Putty http://www.instructables.com/id/How-To-Make-Fireworks-From-Marshmallows-a-Pyrotech/ http://cdn.instructables.com/F7Z/9J2E/HSHDWNFW/F7Z9J2EHSHDWNFW.SQUARE2.jpg http://cdn.instructables.com/F7Z/9J2E/HSHDWNFW/F7Z9J2EHSHDWNFW.SQUARE.jpg http://cdn.instructables.com/F7Z/9J2E/HSHDWNFW/F7Z9J2EHSHDWNFW.SMALL.jpg TrollFaceTheMan If you like this Instructable please don't forget to vote for it!! In this Video I explain how to make a slow burning firework putty using Marshmallows and an oxidizer (Sodium Nitrate in my case...) Potassium Nitrate can also be used but the ratio is 3 parts oxidizer to 2 parts sugar, instead of 2 ...
By: TrollFaceTheMan

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Sun, 9 Mar 2014 12:14:20 PDT
Play with Math: Make Animated GIF and HTML5 http://www.instructables.com/id/MathVision/
Play with Math: Make Animated GIF and HTML5 - More DIY How To Projects]]> http://cdn.instructables.com/FTS/15PY/HSICZBU6/FTS15PYHSICZBU6.SQUARE2.jpg http://cdn.instructables.com/FTS/15PY/HSICZBU6/FTS15PYHSICZBU6.SQUARE.jpg http://cdn.instructables.com/FTS/15PY/HSICZBU6/FTS15PYHSICZBU6.SMALL.gif laxap Many social web sites now allow to post animated pictures (GIF). Instructable does. Facebook does not (as of now). In this Instructable, you will learn how to: generate images with math (contour plot type), define colors, generate an animation, let images interact with the user. ...
By: laxap

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Wed, 12 Mar 2014 10:31:38 PDT
Copper Plating http://www.instructables.com/id/Copper-Plating-2/
Copper Plating - More DIY How To Projects]]> http://cdn.instructables.com/FS9/TQ3I/HSM50LHQ/FS9TQ3IHSM50LHQ.SQUARE2.jpg http://cdn.instructables.com/FS9/TQ3I/HSM50LHQ/FS9TQ3IHSM50LHQ.SQUARE.jpg http://cdn.instructables.com/FS9/TQ3I/HSM50LHQ/FS9TQ3IHSM50LHQ.SMALL.jpg victordoes In this instruction I am going through how to copper plating a washer with a few simple steps! There is room for experimentation in for example: Changing the time, voltage and acids! :) I will only go true the basic steps in how to copper plate, no explanation in "why" will be found in this tutori...
By: victordoes

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Tue, 11 Mar 2014 08:50:38 PDT
Oobleck: The Dr. Seuss Science Experiment http://www.instructables.com/id/Oobleck/
Oobleck: The Dr. Seuss Science Experiment - More DIY How To Projects]]> http://cdn.instructables.com/FHC/6D1Y/FIWH3S1V/FHC6D1YFIWH3S1V.SQUARE2.jpg http://cdn.instructables.com/FHC/6D1Y/FIWH3S1V/FHC6D1YFIWH3S1V.SQUARE.jpg http://cdn.instructables.com/FHC/6D1Y/FIWH3S1V/FHC6D1YFIWH3S1V.SMALL.jpg fungus amungus Oobleck is a classic science experiment that's perfect for entertaining both kids and adults. If you haven't seen it in action it's very fascinating stuff and before too long you'll have your hands covered with it, happily making a mess that can be washed away with water.Oobleck is a non-newtonian f...
By: fungus amungus

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Mon, 18 Sep 2006 15:40:50 PDT
Laser operated nest box visit counter http://www.instructables.com/id/Laser-operated-nest-box-visit-counter/
Laser operated nest box visit counter - More DIY How To Projects]]> http://cdn.instructables.com/FL8/SWFH/HRPBNIDW/FL8SWFHHRPBNIDW.SQUARE2.jpg http://cdn.instructables.com/FL8/SWFH/HRPBNIDW/FL8SWFHHRPBNIDW.SQUARE.jpg http://cdn.instructables.com/FL8/SWFH/HRPBNIDW/FL8SWFHHRPBNIDW.SMALL.jpg ljohann We have a bird nest box close to our terrace which has been used by a Great Tit (Parus major) couple during the recent years and we hope to have them back breeding this year. However, the box is in a bad condition and hast to be replaced sooner or later. As a scientist I couldn't resist having a b...
By: ljohann

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Tue, 18 Feb 2014 07:28:12 PST
The Color-Changing Sports Drink http://www.instructables.com/id/The-Color-Changing-Sports-Drink-Mocktail/
The Color-Changing Sports Drink - More DIY How To Projects]]> http://cdn.instructables.com/FFK/FP23/HKZ9IVKB/FFKFP23HKZ9IVKB.SQUARE2.jpg http://cdn.instructables.com/FFK/FP23/HKZ9IVKB/FFKFP23HKZ9IVKB.SQUARE.jpg http://cdn.instructables.com/FFK/FP23/HKZ9IVKB/FFKFP23HKZ9IVKB.SMALL.jpg makendo This blue drink turns purple then red/pink upon addition of a citric acid-boosted can of Sprite. It tastes good and has a similar chemical profile to a hypotonic sports drink (also see this homemade sports drink recipe). It's the kid-friendly version of the Color-Changing Martini - and it's much che...
By: makendo

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Fri, 1 Jan 2010 22:27:47 PST
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
Magnetic Gem & Mineral Float Tester http://www.instructables.com/id/Magnetic-Gem-Mineral-Float-Tester/
Magnetic Gem & Mineral Float Tester - More DIY How To Projects]]> http://cdn.instructables.com/FCI/5PHU/HPAE5IKN/FCI5PHUHPAE5IKN.SQUARE2.jpg http://cdn.instructables.com/FCI/5PHU/HPAE5IKN/FCI5PHUHPAE5IKN.SQUARE.jpg http://cdn.instructables.com/FCI/5PHU/HPAE5IKN/FCI5PHUHPAE5IKN.SMALL.jpg Fikjast Scott The reason why I created the magnetic gem and mineral float tester: I purchased a box full of used Silversmithing tools and in the bottom was a collection of gems and minerals. I needed a helpful diagnostic tool to identifying and sort my new found collection. I read on several ways of testing usi...
By: Fikjast Scott

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Mon, 16 Dec 2013 18:42:27 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
Making Light from Magnetism: Electromagnetic Induction & the Bedini Machine http://www.instructables.com/id/Making-Light-from-Magnetism-Electromagnetic-Induct/
Making Light from Magnetism: Electromagnetic Induction & the Bedini Machine - More DIY How To Projects]]> http://cdn.instructables.com/FHA/J4R9/HP3FUF9U/FHAJ4R9HP3FUF9U.SQUARE2.jpg http://cdn.instructables.com/FHA/J4R9/HP3FUF9U/FHAJ4R9HP3FUF9U.SQUARE.jpg http://cdn.instructables.com/FHA/J4R9/HP3FUF9U/FHAJ4R9HP3FUF9U.SMALL.jpg Mr. Apol Great discoveries are sometimes made by more than one person at the same time. Michael Faraday and Joseph Henry discovered the principles of electromagnetic induction at much the same time. Faraday published the results of his work in 1831, before Henry, and so gets the credit. Strange to say, many ...
By: Mr. Apol

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Mon, 9 Dec 2013 11:07:57 PST
"MELT-O-MATIC" DIGITAL MELTING POINT APPARATUS http://www.instructables.com/id/MELT-O-MATIC-DIGITAL-MELTING-POINT-APPARATUS/
"MELT-O-MATIC" DIGITAL MELTING POINT APPARATUS - More DIY How To Projects]]> http://cdn.instructables.com/FM4/3474/HOHYF7GW/FM43474HOHYF7GW.SQUARE2.jpg http://cdn.instructables.com/FM4/3474/HOHYF7GW/FM43474HOHYF7GW.SQUARE.jpg http://cdn.instructables.com/FM4/3474/HOHYF7GW/FM43474HOHYF7GW.SMALL.jpg kymyst A DIGITAL MELTING POINT APPARATUS   A very frequently performed operation in organic chemistry laboratories is the determination of the melting point of a solid specimen. The temperature at which a sample melts is indicative of the purity and identity of the substance. Originally the sample, c...
By: kymyst

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Sun, 1 Dec 2013 20:04:22 PST
Programmable Temperature Controller + Hot Plate http://www.instructables.com/id/Programmable-Temperature-Controller-Hot-Plate/
Programmable Temperature Controller + Hot Plate - More DIY How To Projects]]> http://cdn.instructables.com/FYF/3GCG/HOHY6T61/FYF3GCGHOHY6T61.SQUARE2.jpg http://cdn.instructables.com/FYF/3GCG/HOHY6T61/FYF3GCGHOHY6T61.SQUARE.jpg http://cdn.instructables.com/FYF/3GCG/HOHY6T61/FYF3GCGHOHY6T61.SMALL.jpg BrittLiv Heating things up is one of the most performed tasks in a lab. Quite a lot of times it is not enough to simply hold something at a certain temperature, but the rate at which something is heated and for how long is just as important. Especially when you try to develop catalysts for chemical processes...
By: BrittLiv

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Sun, 1 Dec 2013 12:38:06 PST
HOW TO TURN ANY WEBCAM INTO A HIGH POWER MICROSCOPE..... http://www.instructables.com/id/HOW-TO-TURN-ANY-WEBCAM-INTO-A-HIGH-POWER-MICROSCOP/
HOW TO TURN ANY WEBCAM INTO A HIGH POWER MICROSCOPE..... - More DIY How To Projects]]> http://cdn.instructables.com/FBW/TZX4/HO7XKKWY/FBWTZX4HO7XKKWY.SQUARE2.jpg http://cdn.instructables.com/FBW/TZX4/HO7XKKWY/FBWTZX4HO7XKKWY.SQUARE.jpg http://cdn.instructables.com/FBW/TZX4/HO7XKKWY/FBWTZX4HO7XKKWY.SMALL.jpg kushalverma Hello friends,this is my first instructable that i made using my old SVB webcam.It's really simple to make..just place anything 1.5cm away from camera lens and enjoy the crystal clear highly magnified images...PLZZZ VOTE FOR ME IF YOU LIKED IT....let's begin..... Materials required... here is the...
By: kushalverma

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Wed, 20 Nov 2013 06:19:23 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
Design criteria for Stirling cycle engine http://www.instructables.com/id/Design-criteria-for-Stirling-cycle-engine/
Design criteria for Stirling cycle engine - More DIY How To Projects]]> http://cdn.instructables.com/F2I/C1RZ/HNT62GW0/F2IC1RZHNT62GW0.SQUARE2.jpg http://cdn.instructables.com/F2I/C1RZ/HNT62GW0/F2IC1RZHNT62GW0.SQUARE.jpg http://cdn.instructables.com/F2I/C1RZ/HNT62GW0/F2IC1RZHNT62GW0.SMALL.jpg Bill WW This Instructable  will describe a model Stirling cycle engine I built. More importantly, it will list design criteria, materials of construction, and tips so that you can build one of your own design. This type engine is called a low temperature difference (LTD) Stirling engine, and there a...
By: Bill WW

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Sun, 10 Nov 2013 22:40:42 PST
Build a Fire Tornado! http://www.instructables.com/id/Build-a-Fire-Tornado/ http://cdn.instructables.com/F79/MFOR/HNM4EXR2/F79MFORHNM4EXR2.SQUARE2.jpg http://cdn.instructables.com/F79/MFOR/HNM4EXR2/F79MFORHNM4EXR2.SQUARE.jpg http://cdn.instructables.com/F79/MFOR/HNM4EXR2/F79MFORHNM4EXR2.SMALL.jpg rickosgood Build a fire tornado from simple tools and materials.   Also, check out my follow up to this instructible where I build a GIANT fire tornado! http://www.instructables.com/id/Build-a-GIANT-Fire-Tornado/ Materials 4 x 3/4" PVC pipe - 2 feet long 4 x 3/4" PVC end plugs 4 x 3/4" PVC coupl...
By: rickosgood

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Tue, 5 Nov 2013 09:59:59 PST
High Quality (and Safe) Nickel Plating http://www.instructables.com/id/High-Quality-and-safe-Nickel-Plating/
High Quality (and Safe) Nickel Plating - More DIY How To Projects]]> http://cdn.instructables.com/F98/1JVI/HNICKGPR/F981JVIHNICKGPR.SQUARE2.jpg http://cdn.instructables.com/F98/1JVI/HNICKGPR/F981JVIHNICKGPR.SQUARE.jpg http://cdn.instructables.com/F98/1JVI/HNICKGPR/F981JVIHNICKGPR.SMALL.jpg A_Steingrube Just like my very popular copper plating instructable, the aim of this is to do high quality, low cost, and safe electroplating.  We will also be making our own electrolyte from scratch instead of buying chemicals online. If you've looked at my copper plating instructable, note that the process her...
By: A_Steingrube

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Sat, 2 Nov 2013 12:22:54 PDT
High Quality (and Safe) Copper Plating http://www.instructables.com/id/High-Quality-Copper-Plating/
High Quality (and Safe) Copper Plating - More DIY How To Projects]]> http://cdn.instructables.com/FQU/UZL7/HN82H2VU/FQUUZL7HN82H2VU.SQUARE2.jpg http://cdn.instructables.com/FQU/UZL7/HN82H2VU/FQUUZL7HN82H2VU.SQUARE.jpg http://cdn.instructables.com/FQU/UZL7/HN82H2VU/FQUUZL7HN82H2VU.SMALL.jpg A_Steingrube There are a few copper electroplating methods on here, but they are either dangerous, provide very low quality results, or cost an arm and a leg.  Your plated object should be a brilliant, shiny red and not blackened and your pocket book shouldn't be hit hard by chemical costs or hospital bills.   ...
By: A_Steingrube

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Sat, 26 Oct 2013 22:11:13 PDT
Make a High Volume Manual Vacuum Pump http://www.instructables.com/id/Make-a-High-Volume-Manual-Vacuum-Pump/ http://cdn.instructables.com/FA9/K5B8/HMMFBCI1/FA9K5B8HMMFBCI1.SQUARE2.jpg http://cdn.instructables.com/FA9/K5B8/HMMFBCI1/FA9K5B8HMMFBCI1.SQUARE.jpg http://cdn.instructables.com/FA9/K5B8/HMMFBCI1/FA9K5B8HMMFBCI1.SMALL.jpg NightHawkInLight This video will show how to make a vacuum pump, a device that can be used to suck the air out of sealed environments. This is the same pump I use to operate my vacuum cannon seen here: http://youtu.be/CVL99yIB3NQ A clear vacuum chamber such as the one seen in the video can be obtained by purchasing...
By: NightHawkInLight

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Wed, 16 Oct 2013 06:49:17 PDT
Landslide http://www.instructables.com/id/Landslide/
Landslide - More DIY How To Projects]]> http://cdn.instructables.com/FRC/DAGQ/HMVJGFNV/FRCDAGQHMVJGFNV.SQUARE2.jpg http://cdn.instructables.com/FRC/DAGQ/HMVJGFNV/FRCDAGQHMVJGFNV.SQUARE.jpg http://cdn.instructables.com/FRC/DAGQ/HMVJGFNV/FRCDAGQHMVJGFNV.SMALL.jpg Zayda Gonzalez A landslide or landslip is a geological phenomenon which includes a wide range of ground movements, such as rockfalls, deep failure of slopes and shallow debris flows, which can occur in offshore, coastal and onshore environments. Although the action of gravity is the primary driving force for a l...
By: Zayda Gonzalez

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Thu, 17 Oct 2013 18:55:37 PDT
Jacob's Ladder http://www.instructables.com/id/Jacobs-Ladder-2/ http://cdn.instructables.com/F36/ZP44/HMLB496W/F36ZP44HMLB496W.SQUARE2.jpg http://cdn.instructables.com/F36/ZP44/HMLB496W/F36ZP44HMLB496W.SQUARE.jpg http://cdn.instructables.com/F36/ZP44/HMLB496W/F36ZP44HMLB496W.SMALL.jpg Penolopy Bulnick A Jacob's Ladder is a spark gap, often used to fancy up Mad Scientist Labs. Luckily for everyone here, you don't have to be a Mad Scientist to make your very own! null null null null null null null null null null null
By: Penolopy Bulnick

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Wed, 9 Oct 2013 22:24:11 PDT
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
Home Electrolysis Kit http://www.instructables.com/id/Home-Electrolysis-Kit/
Home Electrolysis Kit - More DIY How To Projects]]> http://cdn.instructables.com/F7V/17U0/HKM943E6/F7V17U0HKM943E6.SQUARE2.jpg http://cdn.instructables.com/F7V/17U0/HKM943E6/F7V17U0HKM943E6.SQUARE.jpg http://cdn.instructables.com/F7V/17U0/HKM943E6/F7V17U0HKM943E6.SMALL.jpg Go Repairs Electrolysis is a useful skill to pick up and the beauty of it is that it's super easy to do. Electrolysis can be used to plate materials, to clean, for etching and even to produce pure forms of a material. In this article we'll show you how to make your own small electrolysis kit. With what you...
By: Go Repairs

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Sat, 24 Aug 2013 05:51:19 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
How To Make An Electromagnet http://www.instructables.com/id/How-To-Make-An-Electromagnet/
How To Make An Electromagnet - More DIY How To Projects]]> http://cdn.instructables.com/FL8/4758/HK6XN9OF/FL84758HK6XN9OF.SQUARE2.jpg http://cdn.instructables.com/FL8/4758/HK6XN9OF/FL84758HK6XN9OF.SQUARE.jpg http://cdn.instructables.com/FL8/4758/HK6XN9OF/FL84758HK6XN9OF.SMALL.jpg Go Repairs Magnets are one of the most fun things to experiment with. With a few materials you can easily make your own electromagnet. For more projects visit our blog. Materials List of materials: Insulated Copper wire - thin insulation is best, I used crocodile clips and enamelled wired, which is ...
By: Go Repairs

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Sat, 17 Aug 2013 05:28:49 PDT
How to Make a Mini Compressed Air Turbine http://www.instructables.com/id/How-to-Make-a-Mini-Compressed-Air-Turbine/
How to Make a Mini Compressed Air Turbine - More DIY How To Projects]]> http://cdn.instructables.com/FMM/7EAU/HJKC76MY/FMM7EAUHJKC76MY.SQUARE2.jpg http://cdn.instructables.com/FMM/7EAU/HJKC76MY/FMM7EAUHJKC76MY.SQUARE.jpg http://cdn.instructables.com/FMM/7EAU/HJKC76MY/FMM7EAUHJKC76MY.SMALL.jpg fozzy13 In case you didn't know this yet, compressed air is pretty awesome.  With simple mechanical systems - pumps - energy can be stored and used for an infinite amount of applications.  What I like about compressed air is how simple and accessible it is.  Anyone with a bike pump can start moving air to g...
By: fozzy13

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Thu, 15 Aug 2013 23:04:49 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 Make Fluorescein from Highlighter Markers http://www.instructables.com/id/How-to-Make-Fluorescein-from-Highlighter-Markers/ http://cdn.instructables.com/FR1/VOI0/HJKBM1LU/FR1VOI0HJKBM1LU.SQUARE2.jpg http://cdn.instructables.com/FR1/VOI0/HJKBM1LU/FR1VOI0HJKBM1LU.SQUARE.jpg http://cdn.instructables.com/FR1/VOI0/HJKBM1LU/FR1VOI0HJKBM1LU.SMALL.jpg NightHawkInLight The above video demonstrates how to extract the chemical fluorescein from highlighter markers using no other chemical besides common rubbing alcohol. As is demonstrated in the video, fluorescein is spectacular to watch dissolve into water, especially under black light. Below is a list of other excel...
By: NightHawkInLight

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Fri, 26 Jul 2013 07:00:21 PDT
HOME MADE FLASHLIGHT BULB. http://www.instructables.com/id/HOME-MADE-FLASHLIGHT-BULB/
HOME MADE FLASHLIGHT BULB. - More DIY How To Projects]]> http://cdn.instructables.com/FGP/AGXQ/HIXCICLM/FGPAGXQHIXCICLM.SQUARE2.jpg http://cdn.instructables.com/FGP/AGXQ/HIXCICLM/FGPAGXQHIXCICLM.SQUARE.jpg http://cdn.instructables.com/FGP/AGXQ/HIXCICLM/FGPAGXQHIXCICLM.SMALL.jpg JasjotSingh Hi. this is my first project ever uploaded on net.In this instructable, I am gonna tell you how how to make your own  light bulb. Stuff needed. 1]Pencil lead 0.5 mm. 2]Alligator wires. 3]D sized batteries 8pcs. 4]Glass jar. 5]Duct tape. 6]Cardboard pipe. Attaching the cells. Attach the cells...
By: JasjotSingh

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Wed, 10 Jul 2013 10:33:23 PDT
How to make your own Metal Pulse Magnetizer 2 http://www.instructables.com/id/How-to-make-your-own-Metal-Pulse-Magnetizer-2/
How to make your own Metal Pulse Magnetizer 2 - More DIY How To Projects]]> http://cdn.instructables.com/FMY/4MCC/HIPIPUQW/FMY4MCCHIPIPUQW.SQUARE2.jpg http://cdn.instructables.com/FMY/4MCC/HIPIPUQW/FMY4MCCHIPIPUQW.SQUARE.jpg http://cdn.instructables.com/FMY/4MCC/HIPIPUQW/FMY4MCCHIPIPUQW.SMALL.jpg andreyeurope After making the first version of Metal Pulse Magnetizer, I have read some constructive comments so I decided to make the second version of this device, which is more stable and safer. You will see how to make it in next steps, but first, if you want, you can read this abstract which is about the mo...
By: andreyeurope

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Sat, 6 Jul 2013 10:13:05 PDT
A Working, Old-Timey Stirling Engine - Hand tools only! http://www.instructables.com/id/A-Working-Old-Timey-Stirling-Engine-Hand-tools-/
A Working, Old-Timey Stirling Engine - Hand tools only! - More DIY How To Projects]]> http://cdn.instructables.com/F9Z/AOCL/HIEUOLBN/F9ZAOCLHIEUOLBN.SQUARE2.jpg http://cdn.instructables.com/F9Z/AOCL/HIEUOLBN/F9ZAOCLHIEUOLBN.SQUARE.jpg http://cdn.instructables.com/F9Z/AOCL/HIEUOLBN/F9ZAOCLHIEUOLBN.SMALL.jpg dwzavaleta The Stirling engine in this instructable is the simplest, safest engine I've found. It's a nice size, very sturdy, fairly cheap (if you have access to the tools) and makes a good project for learning to use tools and how physical concepts can be put to everyday uses.  The text of these instructions...
By: dwzavaleta

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Wed, 26 Jun 2013 13:07:00 PDT
Magnetic Separation Stand http://www.instructables.com/id/Magnetic-Separation-Stand/
Magnetic Separation Stand - More DIY How To Projects]]> http://cdn.instructables.com/FV7/3V53/HGH6S7IA/FV73V53HGH6S7IA.SQUARE2.jpg http://cdn.instructables.com/FV7/3V53/HGH6S7IA/FV73V53HGH6S7IA.SQUARE.jpg http://cdn.instructables.com/FV7/3V53/HGH6S7IA/FV73V53HGH6S7IA.SMALL.jpg NonDisjunction I was not pleased with the price for Promega and Millipore magnetic separation stands for protein purification ($45 to $377), so I set out to design my own.  In this Instructable I will cover the process of making this simple $3 magnetic separation stand using a 3D printer (PLA) and cheap rare earth...
By: NonDisjunction

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Fri, 17 May 2013 16:15:06 PDT
Estimate pi using conductive paint http://www.instructables.com/id/Estimate-pi-using-conductive-paint/
Estimate pi using conductive paint - More DIY How To Projects]]> http://cdn.instructables.com/FOC/9VSP/HGH6RXG2/FOC9VSPHGH6RXG2.SQUARE2.jpg http://cdn.instructables.com/FOC/9VSP/HGH6RXG2/FOC9VSPHGH6RXG2.SQUARE.jpg http://cdn.instructables.com/FOC/9VSP/HGH6RXG2/FOC9VSPHGH6RXG2.SMALL.jpg dwinst Given an "infinite" 2D square grid of resistors with resistance R, the equivalent resistance across the diagonal of one square is 2R/pi [1,2]. Working out this solution theoretically has sniped many a nerd. Furthermore, it is prohibitively laborious for an amateur to attempt to verify this experimen...
By: dwinst

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Thu, 16 May 2013 13:00:54 PDT
Emergency Battery in the Wilderness http://www.instructables.com/id/Emergency-Battery-in-the-Wilderness/
Emergency Battery in the Wilderness - More DIY How To Projects]]> http://cdn.instructables.com/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SQUARE2.jpg http://cdn.instructables.com/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SQUARE.jpg http://cdn.instructables.com/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SMALL.jpg merijnvw Imagine this situation:You're camping in the wilderness. In the area where you have your tent, there live carnivorous man-eating scorpions which are active at night because they are afraid of light. So in the evening you are testing if your flashlight is still working, because you need it to scare o...
By: merijnvw

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Mon, 6 Jul 2009 17:01:59 PDT
This Seismometer is no toy! http://www.instructables.com/id/This-Seismometer-is-no-toy/
This Seismometer is no toy! - More DIY How To Projects]]> http://cdn.instructables.com/FMI/S5VR/HFD1EEVY/FMIS5VRHFD1EEVY.SQUARE2.jpg http://cdn.instructables.com/FMI/S5VR/HFD1EEVY/FMIS5VRHFD1EEVY.SQUARE.jpg http://cdn.instructables.com/FMI/S5VR/HFD1EEVY/FMIS5VRHFD1EEVY.SMALL.jpg barkergk This is an image of the computer recording "drum" that shows four events recorded on the same day at my station in Denver, CO; two in Mexico and two on the opposite side of the world in Sumatra. The vertical short-period instrument that recorded these events can be made in a home shop. Smart phone ...
By: barkergk

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Mon, 22 Apr 2013 12:57:42 PDT
Vacuum Cannon drives ping pong ball at supersonic speed http://www.instructables.com/id/Vacuum-Cannon-drives-ping-pong-ball-at-supersonic-/
Vacuum Cannon drives ping pong ball at supersonic speed - More DIY How To Projects]]> http://cdn.instructables.com/F4Z/JJHM/HF2445ON/F4ZJJHMHF2445ON.SQUARE2.jpg http://cdn.instructables.com/F4Z/JJHM/HF2445ON/F4ZJJHMHF2445ON.SQUARE.jpg http://cdn.instructables.com/F4Z/JJHM/HF2445ON/F4ZJJHMHF2445ON.SMALL.jpg Bill WW   Here I will describe a cannon that can drive ping pong balls fast enough to go through plywood and aluminum cans. This "vacuum cannon" has been demonstrated in college physics classes, since it involves many basic physics concepts such as Newton's laws of motion, air pressure, and particle ...
By: Bill WW

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Mon, 15 Apr 2013 23:16:10 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
How to grow great crystals http://www.instructables.com/id/How-to-grow-great-crystals/
How to grow great crystals - More DIY How To Projects]]> http://cdn.instructables.com/F2T/6AZD/HDOWAFSZ/F2T6AZDHDOWAFSZ.SQUARE2.jpg http://cdn.instructables.com/F2T/6AZD/HDOWAFSZ/F2T6AZDHDOWAFSZ.SQUARE.jpg http://cdn.instructables.com/F2T/6AZD/HDOWAFSZ/F2T6AZDHDOWAFSZ.SMALL.jpg andreyeurope After a little research on Instructables.com, I didn't find an instructable which show you how to grow big and beautiful crystals. So I think that this instructable is a good idea. Growing crystals is more than only a instructable, it is for me a passion, so a little piece of my soul was caught in t...
By: andreyeurope

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Sun, 3 Mar 2013 05:22:16 PST
Make Prince Rupert's Drops - Glass Turned Hand Grenade http://www.instructables.com/id/Make-Prince-Ruperts-Drops-Glass-Turned-Grenade/ http://cdn.instructables.com/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SQUARE2.jpg http://cdn.instructables.com/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SQUARE.jpg http://cdn.instructables.com/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SMALL.jpg NightHawkInLight Prince Rupert's Drops are one of the most spectacular physics demonstrations I have witnessed. They are formed by a drop of molten glass being cooled rapidly in water in such a way that stress in the core is at a tipping point that requires only a slight imbalance to explode. Even so, the stresses a...
By: NightHawkInLight

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Thu, 28 Mar 2013 11:43:32 PDT
Detecting Cosmic Rays in a Cloud Chamber http://www.instructables.com/id/Detecting-Cosmic-Rays-in-a-Cloud-Chamber/
Detecting Cosmic Rays in a Cloud Chamber - More DIY How To Projects]]> http://cdn.instructables.com/FQG/4EKW/HE7D9G2S/FQG4EKWHE7D9G2S.SQUARE2.jpg http://cdn.instructables.com/FQG/4EKW/HE7D9G2S/FQG4EKWHE7D9G2S.SQUARE.jpg http://cdn.instructables.com/FQG/4EKW/HE7D9G2S/FQG4EKWHE7D9G2S.SMALL.jpg ExperiencingPhysics It is kind of crazy to think that we are being bombarded at all times by tiny particles moving close to the speed of light. If you want to see  evidence of these randomly occurring cosmic rays check out the video. If you still don't buy it or want to see the vapor trails for yourself (like I did) th...
By: ExperiencingPhysics

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Wed, 13 Mar 2013 18:09:50 PDT
Visualizing Sound With Fluids http://www.instructables.com/id/Visualizing-Sound-With-Fluids/
Visualizing Sound With Fluids - More DIY How To Projects]]> http://cdn.instructables.com/F7A/OJN1/HD4VPUBU/F7AOJN1HD4VPUBU.SQUARE2.jpg http://cdn.instructables.com/F7A/OJN1/HD4VPUBU/F7AOJN1HD4VPUBU.SQUARE.jpg http://cdn.instructables.com/F7A/OJN1/HD4VPUBU/F7AOJN1HD4VPUBU.SMALL.jpg ExperiencingPhysics After a brief foray into the realm of visualizing sound through fire I decided to head in the other direction and watch vibrations propagate through some different kinds of fluids. I used water and a corn starch solution to get what I thought were some pretty cool results. Materials Materials...
By: ExperiencingPhysics

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Sat, 2 Mar 2013 22:15:21 PST
A better vacuum chamber http://www.instructables.com/id/A-better-vacuum-chamber/
A better vacuum chamber - More DIY How To Projects]]> http://cdn.instructables.com/F5Z/6J5P/HD7U0WJE/F5Z6J5PHD7U0WJE.SQUARE2.jpg http://cdn.instructables.com/F5Z/6J5P/HD7U0WJE/F5Z6J5PHD7U0WJE.SQUARE.jpg http://cdn.instructables.com/F5Z/6J5P/HD7U0WJE/F5Z6J5PHD7U0WJE.SMALL.jpg Random_Canadian If you look back upon my previous work you will find that I have been experimenting with vacuum metal deposition. I have been attempting to vaporize metal and have it coat glass under a vacuum. There will be more on this once I get the process working flawlessly. Ideally this is done under a very ...
By: Random_Canadian

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Sun, 24 Feb 2013 11:37:54 PST
Turning Back Time with Reversible Laminar Flow http://www.instructables.com/id/Turning-Back-Time-with-Reversible-Laminar-Flow/
Turning Back Time with Reversible Laminar Flow - More DIY How To Projects]]> http://cdn.instructables.com/FM9/KPG5/HD8TWPV1/FM9KPG5HD8TWPV1.SQUARE2.jpg http://cdn.instructables.com/FM9/KPG5/HD8TWPV1/FM9KPG5HD8TWPV1.SQUARE.jpg http://cdn.instructables.com/FM9/KPG5/HD8TWPV1/FM9KPG5HD8TWPV1.SMALL.jpg ExperiencingPhysics This is a nifty physics demo that was made popular (as far as I can tell) by John DeMoss and Kevin Cahill at the University of New Mexico. The apparatus used in the link is available for purchase for $550 (see linked video description). This is my attempt to make one for under $100. Going off of the...
By: ExperiencingPhysics

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Mon, 18 Feb 2013 15:35:55 PST
Chemistry Crystals! http://www.instructables.com/id/Chemistry-Crystals/
Chemistry Crystals! - More DIY How To Projects]]> http://cdn.instructables.com/F9R/X6PS/HD4VLWOJ/F9RX6PSHD4VLWOJ.SQUARE2.jpg http://cdn.instructables.com/F9R/X6PS/HD4VLWOJ/F9RX6PSHD4VLWOJ.SQUARE.jpg http://cdn.instructables.com/F9R/X6PS/HD4VLWOJ/F9RX6PSHD4VLWOJ.SMALL.jpg mayday12 Here's a way to make cheap and easy epsom salt crystals in only hours. It's a fun way to observe science and engage in learning at the same time. The materials only cost about a dollar, making this a quick, clean, inexpensive, and simple. (That is if you don't already have them) What You Need The...
By: mayday12

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Fri, 15 Feb 2013 17:47:46 PST
Ballistics Gel Step by Step Regulation Testing Density http://www.instructables.com/id/Ballistics-Gel-Step-by-Step-Regulation-Testing-Den/
Ballistics Gel Step by Step Regulation Testing Density - More DIY How To Projects]]> http://cdn.instructables.com/FK2/C2F7/HD4VQ21H/FK2C2F7HD4VQ21H.SQUARE2.jpg http://cdn.instructables.com/FK2/C2F7/HD4VQ21H/FK2C2F7HD4VQ21H.SQUARE.jpg http://cdn.instructables.com/FK2/C2F7/HD4VQ21H/FK2C2F7HD4VQ21H.SMALL.jpg dad_a_monk Ballistic Gel Recipe Done Correctly For Regulation 10%  by Weight and Proper Density I'm a retired cop and have made both ballistics gel and used off the shelf unflavored gelatin, The bellow recipe has worked for me for over 13 years. It gives the best results and as long as the steps are follow...
By: dad_a_monk

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Thu, 14 Feb 2013 12:16:01 PST