http://www.instructables.com Sun, 19 May 2013 01:15:27 PDT BLOX v1.01 http://www.instructables.com/id/Magnetic-Separation-Stand/
Magnetic Separation Stand - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FV7/3V53/HGH6S7IA/FV73V53HGH6S7IA.SQUARE2.jpg http://www.instructables.com/files/deriv/FV7/3V53/HGH6S7IA/FV73V53HGH6S7IA.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 17 May 2013 16:15:06 PDT http://www.instructables.com/id/Estimate-pi-using-conductive-paint/
Estimate pi using conductive paint - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FOC/9VSP/HGH6RXG2/FOC9VSPHGH6RXG2.SQUARE2.jpg http://www.instructables.com/files/deriv/FOC/9VSP/HGH6RXG2/FOC9VSPHGH6RXG2.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 16 May 2013 13:00:54 PDT http://www.instructables.com/id/How-To-Make-an-RGB-combination-door-lock/
How-To: Make an RGB combination door lock - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FT1/374K/HGH70NAF/FT1374KHGH70NAF.SQUARE2.jpg http://www.instructables.com/files/deriv/FT1/374K/HGH70NAF/FT1374KHGH70NAF.SQUARE.jpg http://www.instructables.com/files/deriv/FT1/374K/HGH70NAF/FT1374KHGH70NAF.SMALL.jpg kartikaa23 Putting a custom designed electronic lock on your space seems like a geek right of passage. For our latest workspace, we decided to skip the boring numbered keypad and build a custom RGB backlit keypad powered by an Arduino. Instead of typing in numbers, your password is a unique set of colors. In t...
By: kartikaa23

Continue Reading »]]> Tue, 14 May 2013 23:31:36 PDT http://www.instructables.com/id/oreo-pump-gun/
oreo pump gun - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F5K/3CB3/HFSH58MD/F5K3CB3HFSH58MD.SQUARE2.jpg http://www.instructables.com/files/deriv/F5K/3CB3/HFSH58MD/F5K3CB3HFSH58MD.SQUARE.jpg http://www.instructables.com/files/deriv/F5K/3CB3/HFSH58MD/F5K3CB3HFSH58MD.SMALL.jpg trf.cash This is about all the pieces you'll need. which would be couple pieces of wood,plexi glass,screws,a spring,bungee cord,a rubber band, a exercise band. Also the tools you would also need would consist of a hammer,drill,a vice grip,a band saw. Cut the wood to the shape of the gun which will ultim...
By: trf.cash

Continue Reading »]]> Fri, 10 May 2013 12:25:45 PDT http://www.instructables.com/id/DIY-Orthographic-Sphere/ http://www.instructables.com/files/deriv/FSF/VWEE/HGH6XHVO/FSFVWEEHGH6XHVO.SQUARE2.jpg http://www.instructables.com/files/deriv/FSF/VWEE/HGH6XHVO/FSFVWEEHGH6XHVO.SQUARE.jpg http://www.instructables.com/files/deriv/FSF/VWEE/HGH6XHVO/FSFVWEEHGH6XHVO.SMALL.jpg justn1185 My orthographic sphere is a DIY astronomy tool that "accurately" tracks our sun and local constellations.  Depending on your steady hands, it's reliable year-round for the next thousand-thousand years (give or take a millennium or two). This is my first attempt at an educational tool so I decided t...
By: justn1185

Continue Reading »]]> Thu, 9 May 2013 20:17:06 PDT http://www.instructables.com/id/What-Is-Sodium-Polyacrylate/
What Is Sodium Polyacrylate? - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SQUARE2.jpg http://www.instructables.com/files/deriv/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SQUARE.jpg http://www.instructables.com/files/deriv/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 http://www.instructables.com/id/kitchen-science-making-fireballs-in-your-hands/ http://www.instructables.com/files/deriv/FW9/2BAX/HFSHVZBV/FW92BAXHFSHVZBV.SQUARE2.jpg http://www.instructables.com/files/deriv/FW9/2BAX/HFSHVZBV/FW92BAXHFSHVZBV.SQUARE.jpg http://www.instructables.com/files/deriv/FW9/2BAX/HFSHVZBV/FW92BAXHFSHVZBV.SMALL.jpg scooterdad Have you always wanted to hold fire in your hands like a superhero ?  This video is a demonstration of how, with the use of some items from the kitchen you can hold flames in your hands, Its totally safe as long as you prescribe to the usual rules of kitchen science, Safety first,  Ensure the enviro...
By: scooterdad

Continue Reading »]]> Sun, 5 May 2013 06:29:05 PDT http://www.instructables.com/id/Simple-method-of-getting-a-spark-plug-to-spark/ http://www.instructables.com/files/deriv/FYK/H7JK/HFWSTKFH/FYKH7JKHFWSTKFH.SQUARE2.jpg http://www.instructables.com/files/deriv/FYK/H7JK/HFWSTKFH/FYKH7JKHFWSTKFH.SQUARE.jpg http://www.instructables.com/files/deriv/FYK/H7JK/HFWSTKFH/FYKH7JKHFWSTKFH.SMALL.jpg r570sv http://youtu.be/028nBgoFjSg   Purpose I was working on a Halloween prop that was going to have a flame shoot out of it periodically so I needed some type of igniter to light the flammable liquid that would produce the flame.  My first thought was to use a spark plug to do the job.  I have a lot ...
By: r570sv

Continue Reading »]]> Sat, 27 Apr 2013 20:24:49 PDT http://www.instructables.com/id/Wet-Cell-Battery-out-of-Food/
Wet Cell Battery out of Food - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FCN/REKB/HFSHTFGZ/FCNREKBHFSHTFGZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FCN/REKB/HFSHTFGZ/FCNREKBHFSHTFGZ.SQUARE.jpg http://www.instructables.com/files/deriv/FCN/REKB/HFSHTFGZ/FCNREKBHFSHTFGZ.SMALL.jpg Toasty2222 A wet cell battery is usually a container of liquid electrolyte with two metal rods in it. One rod is copper, and the other is made of zinc. The rods connect to a load (a load is something that converts electrical energy into another form of energy, ex: a light bulb) and power it. Wet cell batteries...
By: Toasty2222

Continue Reading »]]> Sat, 27 Apr 2013 17:14:55 PDT http://www.instructables.com/id/simple-electrolytic-cell-made-with-citrus-fruits/
simple electrolytic cell made with citrus fruits - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FOL/7RJ2/HFWSTJAI/FOL7RJ2HFWSTJAI.SQUARE2.jpg http://www.instructables.com/files/deriv/FOL/7RJ2/HFWSTJAI/FOL7RJ2HFWSTJAI.SQUARE.jpg http://www.instructables.com/files/deriv/FOL/7RJ2/HFWSTJAI/FOL7RJ2HFWSTJAI.SMALL.jpg eistein This will teach indestructable build a simple electrolytic cell made with citrus fruits and objects found in any home. Sorry for my English, I'm Brazilian so I do not speak English well. hunt for materials citrus fruits (in my case I used the lemon Galician, but you can use oranges or even use ...
By: eistein

Continue Reading »]]> Sat, 27 Apr 2013 14:48:16 PDT http://www.instructables.com/id/How-to-make-metallic-sodium/
How to make metallic sodium - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F67/XPKS/HFSH52QS/F67XPKSHFSH52QS.SQUARE2.jpg http://www.instructables.com/files/deriv/F67/XPKS/HFSH52QS/F67XPKSHFSH52QS.SQUARE.jpg http://www.instructables.com/files/deriv/F67/XPKS/HFSH52QS/F67XPKSHFSH52QS.SMALL.jpg radhoo Sodium is a chemical element with the symbol Na (from Latin: natrium) in the periodic table and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals; its only stable isotope is 23Na. The free metal does not occur in nature, but instead must be pre...
By: radhoo

Continue Reading »]]> Sat, 27 Apr 2013 06:41:39 PDT http://www.instructables.com/id/Discharging-a-charged-ruler-in-a-flame/ http://www.instructables.com/files/deriv/F92/ELDR/HFPTGXIM/F92ELDRHFPTGXIM.SQUARE2.jpg http://www.instructables.com/files/deriv/F92/ELDR/HFPTGXIM/F92ELDRHFPTGXIM.SQUARE.jpg http://www.instructables.com/files/deriv/F92/ELDR/HFPTGXIM/F92ELDRHFPTGXIM.SMALL.jpg Urnammu Again discharging a charged object in a flame.
By: Urnammu

Continue Reading »]]> Tue, 23 Apr 2013 07:04:44 PDT http://www.instructables.com/id/This-Seismometer-is-no-toy/
This Seismometer is no toy! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FMI/S5VR/HFD1EEVY/FMIS5VRHFD1EEVY.SQUARE2.jpg http://www.instructables.com/files/deriv/FMI/S5VR/HFD1EEVY/FMIS5VRHFD1EEVY.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 22 Apr 2013 12:57:42 PDT 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://www.instructables.com/files/deriv/F4Z/JJHM/HF2445ON/F4ZJJHMHF2445ON.SQUARE2.jpg http://www.instructables.com/files/deriv/F4Z/JJHM/HF2445ON/F4ZJJHMHF2445ON.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 15 Apr 2013 23:16:10 PDT http://www.instructables.com/id/Make-a-Rube-Goldberg-Machine/ http://www.instructables.com/files/deriv/F3E/YB4X/HFD1K1YK/F3EYB4XHFD1K1YK.SQUARE2.jpg http://www.instructables.com/files/deriv/F3E/YB4X/HFD1K1YK/F3EYB4XHFD1K1YK.SQUARE.jpg http://www.instructables.com/files/deriv/F3E/YB4X/HFD1K1YK/F3EYB4XHFD1K1YK.SMALL.jpg jill710 http://www.youtube.com/watch?v=oyOQojaLC14 This How-To Video shows you how to make your own Rube Goldberg machine! A Rube Goldberg machine is a series of simple machines that work together to perform one simple task. It was coined by a famous cartoonist, Rube Goldberg, whose cartoons showed numerous...
By: jill710

Continue Reading »]]> Mon, 15 Apr 2013 13:35:48 PDT http://www.instructables.com/id/Discharging-an-electrostatically-charged-object-/ http://www.instructables.com/files/deriv/FQI/05P5/HFBJWFN2/FQI05P5HFBJWFN2.SQUARE2.jpg http://www.instructables.com/files/deriv/FQI/05P5/HFBJWFN2/FQI05P5HFBJWFN2.SQUARE.jpg http://www.instructables.com/files/deriv/FQI/05P5/HFBJWFN2/FQI05P5HFBJWFN2.SMALL.jpg Urnammu This video shows one way to discharge an electrostatically charged object. It also explains why the process works.
By: Urnammu

Continue Reading »]]> Fri, 12 Apr 2013 00:37:03 PDT http://www.instructables.com/id/Ballistics-Gel-2/
Ballistics Gel - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F3X/3C0T/HFD171J1/F3X3C0THFD171J1.SQUARE2.jpg http://www.instructables.com/files/deriv/F3X/3C0T/HFD171J1/F3X3C0THFD171J1.SQUARE.jpg http://www.instructables.com/files/deriv/F3X/3C0T/HFD171J1/F3X3C0THFD171J1.SMALL.jpg sgfidlin In this instructable I will show you how to make Ballistics gel like the FBI and Mythbusters use.  Ballistics gel is as dense as human flesh. You could go out and get a dead pig to test ballistics on or you could  use ballistics gel instead. Materials - unflavored gelatin  -water -spoon -measurin...
By: sgfidlin

Continue Reading »]]> Thu, 11 Apr 2013 19:01:54 PDT http://www.instructables.com/id/Air-Cannons/ http://www.instructables.com/files/deriv/FHY/YBMZ/HFBKES6L/FHYYBMZHFBKES6L.SQUARE2.jpg http://www.instructables.com/files/deriv/FHY/YBMZ/HFBKES6L/FHYYBMZHFBKES6L.SQUARE.jpg http://www.instructables.com/files/deriv/FHY/YBMZ/HFBKES6L/FHYYBMZHFBKES6L.SMALL.jpg sgfidlin Get ready for some fun making these awesome air cannons. An air cannon is a pipe based cannon that uses compressed air to fire projectiles at high speeds. an air cannon is meant to fire a potato or what ever fits in the barrel. null null null null null null null null null null null ...
By: sgfidlin

Continue Reading »]]> Wed, 10 Apr 2013 13:41:37 PDT 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://www.instructables.com/files/deriv/FB8/EKOU/HFBK91CL/FB8EKOUHFBK91CL.SQUARE2.jpg http://www.instructables.com/files/deriv/FB8/EKOU/HFBK91CL/FB8EKOUHFBK91CL.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Tue, 9 Apr 2013 21:47:11 PDT http://www.instructables.com/id/How-to-Multiply-by-11-Quickly/
How to Multiply by 11 Quickly - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFL/8W0B/HF23Y9MX/FFL8W0BHF23Y9MX.SQUARE2.jpg http://www.instructables.com/files/deriv/FFL/8W0B/HF23Y9MX/FFL8W0BHF23Y9MX.SQUARE.jpg http://www.instructables.com/files/deriv/FFL/8W0B/HF23Y9MX/FFL8W0BHF23Y9MX.SMALL.jpg limit01 Multiplying by numbers less than 11 is easy. However, using the fact that 11 = 10 + 1, there is a way to multiply by 11 quickly, in less than 15 seconds. Prepare To Add Put down the last digit of the number on the right-most side of the answer, like the image shows. Add the side-by-side digits ...
By: limit01

Continue Reading »]]> Tue, 9 Apr 2013 07:49:02 PDT http://www.instructables.com/id/More-Cool-Physics-With-A-Smart-Phone/ http://www.instructables.com/files/deriv/FI1/DTKB/HF23R48V/FI1DTKBHF23R48V.SQUARE2.jpg http://www.instructables.com/files/deriv/FI1/DTKB/HF23R48V/FI1DTKBHF23R48V.SQUARE.jpg http://www.instructables.com/files/deriv/FI1/DTKB/HF23R48V/FI1DTKBHF23R48V.SMALL.jpg barkergk Bouncing Ball Decay using an app called OsciPrime
By: barkergk

Continue Reading »]]> Mon, 8 Apr 2013 13:54:26 PDT http://www.instructables.com/id/bacon-fried-science-wings/
bacon fried science wings.. - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FEP/KC62/HF23QRYX/FEPKC62HF23QRYX.SQUARE2.jpg http://www.instructables.com/files/deriv/FEP/KC62/HF23QRYX/FEPKC62HF23QRYX.SQUARE.jpg http://www.instructables.com/files/deriv/FEP/KC62/HF23QRYX/FEPKC62HF23QRYX.SMALL.jpg the_cactus_caper Batter fried transgluteminase bacon binded chicken wings drenched with blue roquefort and swiss emmintaler hollandaise. drizzled at the end is a spicy, sweet and sour Louisiana pineapple sauce.. With that out of the way im going to  apologize ahead of time for the lacking amount of pictures. i cont...
By: the_cactus_caper

Continue Reading »]]> Sun, 7 Apr 2013 14:16:09 PDT http://www.instructables.com/id/Advanced-Scratch-Hologram-Techniques/ http://www.instructables.com/files/deriv/FZZ/9GOV/HF243XFM/FZZ9GOVHF243XFM.SQUARE2.jpg http://www.instructables.com/files/deriv/FZZ/9GOV/HF243XFM/FZZ9GOVHF243XFM.SQUARE.jpg http://www.instructables.com/files/deriv/FZZ/9GOV/HF243XFM/FZZ9GOVHF243XFM.SMALL.jpg barkergk A follow up to the great response to my Instructable "Scratch Hologram Detailed Instructions for Teachers". Answers some questions and offers suggestions on creating great results.
By: barkergk

Continue Reading »]]> Sun, 7 Apr 2013 09:27:52 PDT http://www.instructables.com/id/Purple-Dye-Slime/
Purple Dye Slime!!!! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FYD/QQSN/HF23T5G9/FYDQQSNHF23T5G9.SQUARE2.jpg http://www.instructables.com/files/deriv/FYD/QQSN/HF23T5G9/FYDQQSNHF23T5G9.SQUARE.jpg http://www.instructables.com/files/deriv/FYD/QQSN/HF23T5G9/FYDQQSNHF23T5G9.SMALL.jpg cupcake lover Purple is a great color and it makes the slime look's appetizing, but don't eat it! Any color slime, not so original, but purple DYE slime is AWESOME!!!!! P.S. Please vote for the purple contest plz :)!!!!! Gather Up All Your Materials For this awesome slime, you will need -Borax -Water -Liquid...
By: cupcake lover

Continue Reading »]]> Sat, 6 Apr 2013 15:38:05 PDT http://www.instructables.com/id/How-to-grow-really-large-crystals/ http://www.instructables.com/files/deriv/FBU/69Q1/HF23QOTZ/FBU69Q1HF23QOTZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FBU/69Q1/HF23QOTZ/FBU69Q1HF23QOTZ.SQUARE.jpg http://www.instructables.com/files/deriv/FBU/69Q1/HF23QOTZ/FBU69Q1HF23QOTZ.SMALL.jpg kristofvagyok How to do it? How to get really spectacular crystals from something? It's easy, just follow a few simple rule! Find a solvent what dissolves your compound while it's hot and not if it's cold.  How? Do experiments on a small scale, e.g.: in a test tube.  Add some of your previously powdered s...
By: kristofvagyok

Continue Reading »]]> Sat, 6 Apr 2013 10:48:50 PDT http://www.instructables.com/id/The-Process-of-Calibration/
The Process of Calibration - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FCG/U28Q/HF243NDS/FCGU28QHF243NDS.SQUARE2.jpg http://www.instructables.com/files/deriv/FCG/U28Q/HF243NDS/FCGU28QHF243NDS.SQUARE.jpg http://www.instructables.com/files/deriv/FCG/U28Q/HF243NDS/FCGU28QHF243NDS.SMALL.jpg edword55 Calibration of instrument is critical for reporting test results accurately, so that the outcome stays within the validated performance levels. Understanding the Concept of Instrument Calibration Calibration involves configuration of an instrument to generate accurate results in the industry acce...
By: edword55

Continue Reading »]]> Sat, 6 Apr 2013 04:37:48 PDT http://www.instructables.com/id/How-to-get-stitches-LIKE-A-BOSS/ http://www.instructables.com/files/deriv/FL6/8R40/HF243HCI/FL68R40HF243HCI.SQUARE2.jpg http://www.instructables.com/files/deriv/FL6/8R40/HF243HCI/FL68R40HF243HCI.SQUARE.jpg http://www.instructables.com/files/deriv/FL6/8R40/HF243HCI/FL68R40HF243HCI.SMALL.jpg pirobot668 Update:  This preventable accident was caused by four factors. 1. Working in a confined space with powered cutting tool 2. Having both hands in confined space with powered cutting tool 3. Loosing control of powered cutting tool 4. No protection for 'off-hand'
By: pirobot668

Continue Reading »]]> Fri, 5 Apr 2013 14:04:57 PDT http://www.instructables.com/id/How-to-DIY-your-own-Magnetic-Stirrer-V2-better-th/
How to DIY your own Magnetic Stirrer V2 (better than first version) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F44/5KWR/HFD10SC4/F445KWRHFD10SC4.SQUARE2.jpg http://www.instructables.com/files/deriv/F44/5KWR/HFD10SC4/F445KWRHFD10SC4.SQUARE.jpg http://www.instructables.com/files/deriv/F44/5KWR/HFD10SC4/F445KWRHFD10SC4.SMALL.jpg andreyeurope After I've published the first instructable about how to make a magnetic stirrer and after the constructive criticism I've got, I decided to make a new Magnetic Stirrer, an improved one. Then I start the research for what materials should I use for it. I make the circuit, the design of the case and ...
By: andreyeurope

Continue Reading »]]> Wed, 3 Apr 2013 15:51:51 PDT http://www.instructables.com/id/Contact-Angle-Instrument/
Contact Angle Instrument - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FU1/DKFT/HELWVQ0X/FU1DKFTHELWVQ0X.SQUARE2.jpg http://www.instructables.com/files/deriv/FU1/DKFT/HELWVQ0X/FU1DKFTHELWVQ0X.SQUARE.jpg http://www.instructables.com/files/deriv/FU1/DKFT/HELWVQ0X/FU1DKFTHELWVQ0X.SMALL.jpg drumbum11 This instructable is intended to detail the steps used in creating a contact angle instrument. The design, construction, and testing of this particular contact angle instrument served as my college senior project. The instrument was built for the university for research in chemistry and materials sc...
By: drumbum11

Continue Reading »]]> Mon, 1 Apr 2013 17:39:09 PDT http://www.instructables.com/id/Polarized-Light-Microscopy-Reveals-Hidden-Beauty-i/ http://www.instructables.com/files/deriv/F2W/JBX5/HEXUHR01/F2WJBX5HEXUHR01.SQUARE2.jpg http://www.instructables.com/files/deriv/F2W/JBX5/HEXUHR01/F2WJBX5HEXUHR01.SQUARE.jpg http://www.instructables.com/files/deriv/F2W/JBX5/HEXUHR01/F2WJBX5HEXUHR01.SMALL.jpg barkergk Mixes Science with Art!
By: barkergk

Continue Reading »]]> Mon, 1 Apr 2013 15:42:08 PDT http://www.instructables.com/id/Making-a-green-laser-pointer-a-little-bit-safer/
Making a green laser pointer a little bit safer - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FV0/ZDEI/HET0ZUUN/FV0ZDEIHET0ZUUN.SQUARE2.jpg http://www.instructables.com/files/deriv/FV0/ZDEI/HET0ZUUN/FV0ZDEIHET0ZUUN.SQUARE.jpg http://www.instructables.com/files/deriv/FV0/ZDEI/HET0ZUUN/FV0ZDEIHET0ZUUN.SMALL.jpg arpruss I use a cheap, allegedly less than 5mW, green laser pointer to point things out in the night sky at public astronomy events.  Unfortunately, recent NIST tests show that a lot of green laser pointers generate a lot of extra visible and infrared light.  The infrared one can do something about. I orde...
By: arpruss

Continue Reading »]]> Mon, 1 Apr 2013 12:54:53 PDT http://www.instructables.com/id/How-to-Make-Hydrogen-1/ http://www.instructables.com/files/deriv/F5F/47A8/HEXSS1OY/F5F47A8HEXSS1OY.SQUARE2.jpg http://www.instructables.com/files/deriv/F5F/47A8/HEXSS1OY/F5F47A8HEXSS1OY.SQUARE.jpg http://www.instructables.com/files/deriv/F5F/47A8/HEXSS1OY/F5F47A8HEXSS1OY.SMALL.jpg flowerspowers1 Making hydrogen is not hard and you don't need a lot of chemistry knowledge to make it. It is a fun experiment but dangerous make at your own risk.
By: flowerspowers1

Continue Reading »]]> Sun, 31 Mar 2013 18:24:42 PDT http://www.instructables.com/id/Heisenberg-Uncertainty-Principle-Party-Trick/ http://www.instructables.com/files/deriv/F4C/5CWS/HET1AYHL/F4C5CWSHET1AYHL.SQUARE2.jpg http://www.instructables.com/files/deriv/F4C/5CWS/HET1AYHL/F4C5CWSHET1AYHL.SQUARE.jpg http://www.instructables.com/files/deriv/F4C/5CWS/HET1AYHL/F4C5CWSHET1AYHL.SMALL.jpg barkergk You'll either be the hit of the party or you will clear the room. No uncertainty about that!
By: barkergk

Continue Reading »]]> Fri, 29 Mar 2013 16:35:16 PDT http://www.instructables.com/id/Cool-Physics-with-a-Smart-Phone/ http://www.instructables.com/files/deriv/FSP/78GO/HET1AOQ3/FSP78GOHET1AOQ3.SQUARE2.jpg http://www.instructables.com/files/deriv/FSP/78GO/HET1AOQ3/FSP78GOHET1AOQ3.SQUARE.jpg http://www.instructables.com/files/deriv/FSP/78GO/HET1AOQ3/FSP78GOHET1AOQ3.SMALL.jpg barkergk Novel approach to the falling body physics lab using oscilloscope apps with audio input through device microphone.
By: barkergk

Continue Reading »]]> Thu, 28 Mar 2013 13:02:34 PDT http://www.instructables.com/id/Make-Prince-Ruperts-Drops-Glass-Turned-Grenade/ http://www.instructables.com/files/deriv/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SQUARE2.jpg http://www.instructables.com/files/deriv/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 28 Mar 2013 11:43:32 PDT http://www.instructables.com/id/Homemade-macro-lens-for-camera-phones/ http://www.instructables.com/files/deriv/FX5/CWJR/HERLNDM4/FX5CWJRHERLNDM4.SQUARE2.jpg http://www.instructables.com/files/deriv/FX5/CWJR/HERLNDM4/FX5CWJRHERLNDM4.SQUARE.jpg http://www.instructables.com/files/deriv/FX5/CWJR/HERLNDM4/FX5CWJRHERLNDM4.SMALL.jpg manualdomundo Learn how to make a macro lens for your mobile. A macro lens is a lens that almost turns your phone into a microscope. More videos like this you'll find in Manual do Mundo blog.
By: manualdomundo

Continue Reading »]]> Wed, 27 Mar 2013 13:15:19 PDT http://www.instructables.com/id/The-Antenna-experiment/
The Antenna experiment. - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F10/9R1B/HD4VGAK9/F109R1BHD4VGAK9.SQUARE2.jpg http://www.instructables.com/files/deriv/F10/9R1B/HD4VGAK9/F109R1BHD4VGAK9.SQUARE.jpg http://www.instructables.com/files/deriv/F10/9R1B/HD4VGAK9/F109R1BHD4VGAK9.SMALL.jpg Computothought We are going to test the feasability of getting electricity from the atmosphere. We will use several kinds of antennas to put electricity to work. Just a simple dipole and unipolar antennas.. This is  intended this to be just a prototype for a much larger unit you would like to build. The antennas a...
By: Computothought

Continue Reading »]]> Wed, 27 Mar 2013 05:42:38 PDT http://www.instructables.com/id/Making-Biodiesel/
Making Biodiesel - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7I/H3UN/HEI4M7O6/F7IH3UNHEI4M7O6.SQUARE2.jpg http://www.instructables.com/files/deriv/F7I/H3UN/HEI4M7O6/F7IH3UNHEI4M7O6.SQUARE.jpg http://www.instructables.com/files/deriv/F7I/H3UN/HEI4M7O6/F7IH3UNHEI4M7O6.SMALL.jpg jerickson15 I made biodiesel. I used methanol, lye, some sort of vegetable oil, 2 bottles, a glass jar, a funnel, a spoon and a blender/plastic bottle. I worked with my dad at home and my plans didn't change throughout the project. If I were to do this again, I would use all types of oils and use a blender. Thi...
By: jerickson15

Continue Reading »]]> Thu, 21 Mar 2013 19:07:07 PDT http://www.instructables.com/id/350kv-Van-de-Graaff-Generator/
350kv Van de Graaff Generator - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFI/UVYO/HEBN967W/FFIUVYOHEBN967W.SQUARE2.jpg http://www.instructables.com/files/deriv/FFI/UVYO/HEBN967W/FFIUVYOHEBN967W.SQUARE.jpg http://www.instructables.com/files/deriv/FFI/UVYO/HEBN967W/FFIUVYOHEBN967W.SMALL.jpg Higgs Boson This is a Van de Graaff Generator that I designed and built for use with many electrostatic experiments. I attempted to make a vdg about a year ago, but the design was very poor and the project ultimately failed. I still really wanted to make one though so recently I decided to go back to the drawin...
By: Higgs Boson

Continue Reading »]]> Tue, 19 Mar 2013 22:16:54 PDT http://www.instructables.com/id/Motorize-a-LEGO-Car-by-a-Motor-from-a-Broken-DVD-P/
Motorize a LEGO Car by a Motor from a Broken DVD Player - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FJE/NWGR/HEBN3QZS/FJENWGRHEBN3QZS.SQUARE2.jpg http://www.instructables.com/files/deriv/FJE/NWGR/HEBN3QZS/FJENWGRHEBN3QZS.SQUARE.jpg http://www.instructables.com/files/deriv/FJE/NWGR/HEBN3QZS/FJENWGRHEBN3QZS.SMALL.jpg daddiest This simple project showed my kids how simple machine works - electricity, pulley, velocity ratio and mechanical advantage. Step 1 - Fix the motor My son has a couple of LEGO sets but none of them are the Technic or those come with a motor. I got one motor from a broken DVD player. In order to f...
By: daddiest

Continue Reading »]]> Sun, 17 Mar 2013 05:40:22 PDT 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://www.instructables.com/files/deriv/FQG/4EKW/HE7D9G2S/FQG4EKWHE7D9G2S.SQUARE2.jpg http://www.instructables.com/files/deriv/FQG/4EKW/HE7D9G2S/FQG4EKWHE7D9G2S.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Wed, 13 Mar 2013 18:09:50 PDT http://www.instructables.com/id/Pringles-Wind-Tunel/ http://www.instructables.com/files/deriv/F59/VWCO/HDYZ7XZP/F59VWCOHDYZ7XZP.SQUARE2.jpg http://www.instructables.com/files/deriv/F59/VWCO/HDYZ7XZP/F59VWCOHDYZ7XZP.SQUARE.jpg http://www.instructables.com/files/deriv/F59/VWCO/HDYZ7XZP/F59VWCOHDYZ7XZP.SMALL.jpg Misac-kun Hello Everyone! Showing out this wind tunel I made from scratch at a tedious night, it dryed Mint leaves in 48h and they were cracker dry! At first I used a USB plug as a power source but after the first test run I changed to a wall wart.
By: Misac-kun

Continue Reading »]]> Sun, 10 Mar 2013 05:58:28 PDT http://www.instructables.com/id/Non-Toxic-Lava-Lamp/
Non-Toxic Lava Lamp - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FPB/FGUH/HDXM93OV/FPBFGUHHDXM93OV.SQUARE2.jpg http://www.instructables.com/files/deriv/FPB/FGUH/HDXM93OV/FPBFGUHHDXM93OV.SQUARE.jpg http://www.instructables.com/files/deriv/FPB/FGUH/HDXM93OV/FPBFGUHHDXM93OV.SMALL.jpg MrTaco57 In this Instructable I will show you how to make a Non-toxic Lava Lamp. Pls vote for me!!! In the upper right corner is the vote button, pls click on it!!! Thx Step 1 First you must gather up all the materials needed to make the non-toxic Lava Lamp. Water Vegetable oil Food coloring (I used blu...
By: MrTaco57

Continue Reading »]]> Tue, 5 Mar 2013 17:23:00 PST http://www.instructables.com/id/AARRrrrrrr-stigmatism/
AARRrrrrrr-stigmatism - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FY8/A8KR/HDOWALL3/FY8A8KRHDOWALL3.SQUARE2.jpg http://www.instructables.com/files/deriv/FY8/A8KR/HDOWALL3/FY8A8KRHDOWALL3.SQUARE.jpg http://www.instructables.com/files/deriv/FY8/A8KR/HDOWALL3/FY8A8KRHDOWALL3.SMALL.jpg jwrona1 Arghh me maties. Me name’s Captain Houkk. I have this here patch on me eye due to my darned arrrstigmatism that I ain’t be correcting soon argh. Well lads, some people are told that they have astigmatism, but what does it be exactly? After this lab you should have a good idea about the optics behind...
By: jwrona1

Continue Reading »]]> Sun, 3 Mar 2013 19:10:21 PST http://www.instructables.com/id/How-to-grow-great-crystals/
How to grow great crystals - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F2T/6AZD/HDOWAFSZ/F2T6AZDHDOWAFSZ.SQUARE2.jpg http://www.instructables.com/files/deriv/F2T/6AZD/HDOWAFSZ/F2T6AZDHDOWAFSZ.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 3 Mar 2013 05:22:16 PST http://www.instructables.com/id/Visualizing-Sound-With-Fluids/
Visualizing Sound With Fluids - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7A/OJN1/HD4VPUBU/F7AOJN1HD4VPUBU.SQUARE2.jpg http://www.instructables.com/files/deriv/F7A/OJN1/HD4VPUBU/F7AOJN1HD4VPUBU.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sat, 2 Mar 2013 22:15:21 PST http://www.instructables.com/id/YM-Submarines/ http://www.instructables.com/files/deriv/F4Q/XA97/HDOW6LLF/F4QXA97HDOW6LLF.SQUARE2.jpg http://www.instructables.com/files/deriv/F4Q/XA97/HDOW6LLF/F4QXA97HDOW6LLF.SQUARE.jpg http://www.instructables.com/files/deriv/F4Q/XA97/HDOW6LLF/F4QXA97HDOW6LLF.SMALL.jpg abugslife99 This weekend I wanted to make something with my 6 year old daughter and her friends. It was a nice warm day so we settle on submarines. http://youtu.be/wlKB_HMbDK4 The exercise was quite simple: Bottle Stones Balloon Rubber tubing Put the stones into the bottle to make it sink to the bottom of th...
By: abugslife99

Continue Reading »]]> Sat, 2 Mar 2013 09:33:41 PST http://www.instructables.com/id/Mini-Hydrogen-gas-generator/ http://www.instructables.com/files/deriv/F8N/YGAD/HDOW39HM/F8NYGADHDOW39HM.SQUARE2.jpg http://www.instructables.com/files/deriv/F8N/YGAD/HDOW39HM/F8NYGADHDOW39HM.SQUARE.jpg http://www.instructables.com/files/deriv/F8N/YGAD/HDOW39HM/F8NYGADHDOW39HM.SMALL.jpg kevins82 Hi ! In this instructable i will show you how to make simple HHO Generator with house hold items. Items needed.. *Jar with cap *2 stainless steel nuts *4 Stainless steel bolts *polytoobing *2 stainless steel plates *Tape *Salt *Water Tools needed *Saw *Hotglue gun *Drillpress Step by step in vide...
By: kevins82

Continue Reading »]]> Wed, 27 Feb 2013 13:01:05 PST http://www.instructables.com/id/A-better-vacuum-chamber/
A better vacuum chamber - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F5Z/6J5P/HD7U0WJE/F5Z6J5PHD7U0WJE.SQUARE2.jpg http://www.instructables.com/files/deriv/F5Z/6J5P/HD7U0WJE/F5Z6J5PHD7U0WJE.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 24 Feb 2013 11:37:54 PST http://www.instructables.com/id/simple-electromagnet-in-30-seconds/ http://www.instructables.com/files/deriv/F9R/TIBO/HD4VMVDP/F9RTIBOHD4VMVDP.SQUARE2.jpg http://www.instructables.com/files/deriv/F9R/TIBO/HD4VMVDP/F9RTIBOHD4VMVDP.SQUARE.jpg http://www.instructables.com/files/deriv/F9R/TIBO/HD4VMVDP/F9RTIBOHD4VMVDP.SMALL.jpg tawhidiscool materials: one metal gear shaft, d cell battery
By: tawhidiscool

Continue Reading »]]> Thu, 21 Feb 2013 16:23:04 PST