http://www.instructables.com Mon, 17 Jun 2013 23:11:08 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/Emergency-Battery-in-the-Wilderness/
Emergency Battery in the Wilderness - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SQUARE2.jpg http://www.instructables.com/files/deriv/F7F/XG7X/FWM6TAR3/F7FXG7XFWM6TAR3.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 6 Jul 2009 17:01:59 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/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-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/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/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/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/Turning-Back-Time-with-Reversible-Laminar-Flow/
Turning Back Time with Reversible Laminar Flow - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FM9/KPG5/HD8TWPV1/FM9KPG5HD8TWPV1.SQUARE2.jpg http://www.instructables.com/files/deriv/FM9/KPG5/HD8TWPV1/FM9KPG5HD8TWPV1.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 18 Feb 2013 15:35:55 PST http://www.instructables.com/id/Chemistry-Crystals/
Chemistry Crystals! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9R/X6PS/HD4VLWOJ/F9RX6PSHD4VLWOJ.SQUARE2.jpg http://www.instructables.com/files/deriv/F9R/X6PS/HD4VLWOJ/F9RX6PSHD4VLWOJ.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 15 Feb 2013 17:47:46 PST 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://www.instructables.com/files/deriv/FK2/C2F7/HD4VQ21H/FK2C2F7HD4VQ21H.SQUARE2.jpg http://www.instructables.com/files/deriv/FK2/C2F7/HD4VQ21H/FK2C2F7HD4VQ21H.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 14 Feb 2013 12:16:01 PST http://www.instructables.com/id/How-to-make-your-own-Metal-Pulse-Magnetizer/
How to make your own Metal Pulse Magnetizer - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FIB/LE1F/HCB8TQXK/FIBLE1FHCB8TQXK.SQUARE2.jpg http://www.instructables.com/files/deriv/FIB/LE1F/HCB8TQXK/FIBLE1FHCB8TQXK.SQUARE.jpg http://www.instructables.com/files/deriv/FIB/LE1F/HCB8TQXK/FIBLE1FHCB8TQXK.SMALL.jpg andreyeurope Four weeks ago I was searching for an magnetizer that can revive my dead magnets (I killed them heating up at a high temperature, trying to encapsulate in a piece of glass), but I haven't found a instructable project that can help me, so with physics teacher's support  I made one that works. With it...
By: andreyeurope

Continue Reading »]]> Sun, 27 Jan 2013 08:36:32 PST http://www.instructables.com/id/How-to-Talk-to-Someone-Using-Ham-Radio/
How to Talk to Someone Using Ham Radio - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FRW/COIV/HAQ2V3ZS/FRWCOIVHAQ2V3ZS.SQUARE2.jpg http://www.instructables.com/files/deriv/FRW/COIV/HAQ2V3ZS/FRWCOIVHAQ2V3ZS.SQUARE.jpg http://www.instructables.com/files/deriv/FRW/COIV/HAQ2V3ZS/FRWCOIVHAQ2V3ZS.SMALL.jpg InventorManAlways Ham radio is cool, but it can be very nerve-wracking to talk to someone on ham radio. Talking to someone on ham radio is commonly known as a 'QSO' or a 'contact'.  Although it can seem really scary at first, you won't regret a moment of it. And after a few 'contacts', you'll be wanting to make more ...
By: InventorManAlways

Continue Reading »]]> Sun, 20 Jan 2013 15:30:00 PST 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://www.instructables.com/files/deriv/FGT/1VR7/HBNXWW62/FGT1VR7HBNXWW62.SQUARE2.jpg http://www.instructables.com/files/deriv/FGT/1VR7/HBNXWW62/FGT1VR7HBNXWW62.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Wed, 9 Jan 2013 23:42:49 PST http://www.instructables.com/id/Overbalanced-Wheel-Fake-Perpetual-Motion-Machine-/
Overbalanced Wheel (Fake Perpetual Motion Machine for Fun) - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F9D/I54P/HAQ38378/F9DI54PHAQ38378.SQUARE2.jpg http://www.instructables.com/files/deriv/F9D/I54P/HAQ38378/F9DI54PHAQ38378.SQUARE.jpg http://www.instructables.com/files/deriv/F9D/I54P/HAQ38378/F9DI54PHAQ38378.SMALL.jpg mikesoniat Of course, perpetual motion does not exist. But lots of great inventors, including Leonardo da Vinci, played around with the idea so I feel like I'm in good company. I think anyone who is interested in engineering, mechanics, and physics or the history of these fields will enjoy building this projec...
By: mikesoniat

Continue Reading »]]> Mon, 24 Dec 2012 13:11:29 PST http://www.instructables.com/id/Tornado-Machine/
Tornado Machine - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SQUARE2.jpg http://www.instructables.com/files/deriv/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Tue, 18 Dec 2012 20:34:09 PST http://www.instructables.com/id/How-to-Convert-Water-into-Fuel-by-Building-a-DIY-O/
How to Convert Water into Fuel by Building a DIY Oxyhydrogen Generator - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FS7/UECL/HAQ30L7U/FS7UECLHAQ30L7U.SQUARE2.jpg http://www.instructables.com/files/deriv/FS7/UECL/HAQ30L7U/FS7UECLHAQ30L7U.SQUARE.jpg http://www.instructables.com/files/deriv/FS7/UECL/HAQ30L7U/FS7UECLHAQ30L7U.SMALL.jpg The King of Random Here's how to build a sexy looking generator that uses electricity to convert water into an extremely powerful fuel!  In this project, you'll learn how to build an OxyHydrogen generator from scratch. What Is an OxyHydrogen Generator? An oxyhydrogen generator, like this one, uses electricity f...
By: The King of Random

Continue Reading »]]> Mon, 17 Dec 2012 09:20:01 PST http://www.instructables.com/id/Wave-Pendulum/
Wave Pendulum - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FM0/0D5W/GXFXNMYT/FM00D5WGXFXNMYT.SQUARE2.jpg http://www.instructables.com/files/deriv/FM0/0D5W/GXFXNMYT/FM00D5WGXFXNMYT.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 16 Jan 2012 20:16:15 PST http://www.instructables.com/id/How-to-make-a-magnetic-stirrer-that-looks-like-a-p/
How to make a magnetic stirrer that doesn't cost like a professional one - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FAF/SLQS/H9T4QG03/FAFSLQSH9T4QG03.SQUARE2.jpg http://www.instructables.com/files/deriv/FAF/SLQS/H9T4QG03/FAFSLQSH9T4QG03.SQUARE.jpg http://www.instructables.com/files/deriv/FAF/SLQS/H9T4QG03/FAFSLQSH9T4QG03.SMALL.jpg andreyeurope I needed a magnetic stirrer for my chemistry lab so I made a cheap one that looks almost like a professional one, but doesn't cost very much. It is made from recycled parts from an old CD-ROM, a printer motor and things from an old CRT screen board (like resistor).        The things you need:    - a...
By: andreyeurope

Continue Reading »]]> Mon, 26 Nov 2012 08:05:12 PST http://www.instructables.com/id/Building-a-Model-Rocket-Introduction/
Building a Model Rocket - Introduction - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7E/FRKZ/H994TOSU/F7EFRKZH994TOSU.SQUARE2.jpg http://www.instructables.com/files/deriv/F7E/FRKZ/H994TOSU/F7EFRKZH994TOSU.SQUARE.jpg http://www.instructables.com/files/deriv/F7E/FRKZ/H994TOSU/F7EFRKZH994TOSU.SMALL.jpg wijoon Building a model rocket is a fun pastime, but it can be easy for someone new to the hobby to make a mistake.  This guide is intended to help those who are new to the hobby complete all steps required to build a basic rocket called the Big Bertha.  This rocket can be purchased in most Hobby stores  A...
By: wijoon

Continue Reading »]]> Sun, 11 Nov 2012 22:59:05 PST http://www.instructables.com/id/Mad-Scientists-Jacobs-Ladder-Lightning-Prop/
Mad Scientist's "Jacob's Ladder" Lightning Prop - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F6G/GM8Y/H994ID9V/F6GGM8YH994ID9V.SQUARE2.jpg http://www.instructables.com/files/deriv/F6G/GM8Y/H994ID9V/F6GGM8YH994ID9V.SQUARE.jpg http://www.instructables.com/files/deriv/F6G/GM8Y/H994ID9V/F6GGM8YH994ID9V.SMALL.jpg ericdaniels You've seen Jacob's Ladders in Frankenstein movies: you know, the gizmo with the two antenna things sticking up, and a bright arc of electricity rising between them, and making that wicked crackly sound. Nothing says "Mad Scientist" like this thing... and although it can be dangerous if you're not c...
By: ericdaniels

Continue Reading »]]> Wed, 7 Nov 2012 23:09:37 PST http://www.instructables.com/id/Faux-Metal-Tesla-Turbine/
Faux Metal Tesla Turbine - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FKL/F07K/HHJOKJ0T/FKLF07KHHJOKJ0T.SQUARE2.jpg http://www.instructables.com/files/deriv/FKL/F07K/HHJOKJ0T/FKLF07KHHJOKJ0T.SQUARE.jpg http://www.instructables.com/files/deriv/FKL/F07K/HHJOKJ0T/FKLF07KHHJOKJ0T.SMALL.jpg brazilero2008    This instructable is a continuation of a post from 2011 (http://www.instructables.com/id/Machining-a-Mini-Tesla-Turbine-from-Cardboard/). The Cardboard Tesla Turbine (CTT) was based on a Popular Mechanics article describing the construction of a steam-powered, metal turbine that was published nea...
By: brazilero2008

Continue Reading »]]> Mon, 5 Nov 2012 21:13:09 PST http://www.instructables.com/id/Focusing-stand-makes-cheap-USB-microscope-more-use/
Focusing stand makes cheap USB microscope more useful - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FC5/Q2WV/H8RVCDC2/FC5Q2WVH8RVCDC2.SQUARE2.jpg http://www.instructables.com/files/deriv/FC5/Q2WV/H8RVCDC2/FC5Q2WVH8RVCDC2.SQUARE.jpg http://www.instructables.com/files/deriv/FC5/Q2WV/H8RVCDC2/FC5Q2WVH8RVCDC2.SMALL.jpg nnewlon There are digital USB microscopes available for very low cost from merchants on eBay.  I bought one with high hopes, but I was disappointed when I tried to use it.  Due to the high degree of magnification, the field of view is extremely small, and the depth of focus almost non-existent.  This meant ...
By: nnewlon

Continue Reading »]]> Thu, 1 Nov 2012 22:19:15 PDT http://www.instructables.com/id/Build-a-Halloween-Seismometer-for-Under-5/
Build a Halloween Seismometer for Under $5 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FKD/W9FT/H8RVLPOM/FKDW9FTH8RVLPOM.SQUARE2.jpg http://www.instructables.com/files/deriv/FKD/W9FT/H8RVLPOM/FKDW9FTH8RVLPOM.SQUARE.jpg http://www.instructables.com/files/deriv/FKD/W9FT/H8RVLPOM/FKDW9FTH8RVLPOM.SMALL.jpg bikeframe I like to stop at the Dollar Tree store whenever I get a chance. I look for any new $1 trinkets that wiggle or blink or make noises because that means there may be a motor or LED or speaker that I can repurpose. This month they had some solar dancing witches and solar dancing skeletons for halloween...
By: bikeframe

Continue Reading »]]> Wed, 31 Oct 2012 13:05:38 PDT http://www.instructables.com/id/How-to-make-a-hexaflexagon/
How to make a hexaflexagon - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SQUARE2.jpg http://www.instructables.com/files/deriv/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Fri, 21 Mar 2008 17:58:59 PDT http://www.instructables.com/id/Miniature-Revolving-Solar-System/
Miniature Revolving Solar System - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F3X/8X5I/H7431YR1/F3X8X5IH7431YR1.SQUARE2.jpg http://www.instructables.com/files/deriv/F3X/8X5I/H7431YR1/F3X8X5IH7431YR1.SQUARE.jpg http://www.instructables.com/files/deriv/F3X/8X5I/H7431YR1/F3X8X5IH7431YR1.SMALL.jpg ChrysN I am not sure exactly where this idea came from. It started with a hollowed out light bulb that I had lying around and thinking that it would be neat to put a miniature solar system model inside.  Then I thought it would be even better if it actually moved.  I became inspired when came across s...
By: ChrysN

Continue Reading »]]> Wed, 3 Oct 2012 11:29:38 PDT http://www.instructables.com/id/Building-a-Tesla-Coil-In-9-Easy-Steps/
Building a Tesla Coil In 9 Easy Steps! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FU0/LA9I/H7431L1R/FU0LA9IH7431L1R.SQUARE2.jpg http://www.instructables.com/files/deriv/FU0/LA9I/H7431L1R/FU0LA9IH7431L1R.SQUARE.jpg http://www.instructables.com/files/deriv/FU0/LA9I/H7431L1R/FU0LA9IH7431L1R.SMALL.jpg Beachley Over the past Summer I built two Tesla Coils. The first one didn't work, so I started building this one. This instructable will outline the steps I took. *Before I begin, I feel it is necessary to go over some safety guidelines. Please read each of these points thoroughly before starting ...
By: Beachley

Continue Reading »]]> Sun, 30 Sep 2012 12:58:47 PDT http://www.instructables.com/id/Optical-Testing-of-Parabolic-Mirrors/
Optical Testing of Parabolic Mirrors - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FMK/1Z9Z/GE7L4LCY/FMK1Z9ZGE7L4LCY.SQUARE2.jpg http://www.instructables.com/files/deriv/FMK/1Z9Z/GE7L4LCY/FMK1Z9ZGE7L4LCY.SQUARE.jpg http://www.instructables.com/files/deriv/FMK/1Z9Z/GE7L4LCY/FMK1Z9ZGE7L4LCY.SMALL.jpg maewert If you are building a telescope or if you want to see if a telescope primary mirror has a good 'figure' before you buy it, you need to perform an optical test of the mirror. A properly figured primary Newtonian mirror is a near-perfect parabola. How close to perfect does it need to be? A good teles...
By: maewert

Continue Reading »]]> Tue, 4 Sep 2012 18:37:41 PDT http://www.instructables.com/id/How-to-see-alpha-particles/
How to see alpha particles - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FYP/PPOO/H672M0A3/FYPPPOOH672M0A3.SQUARE2.jpg http://www.instructables.com/files/deriv/FYP/PPOO/H672M0A3/FYPPPOOH672M0A3.SQUARE.jpg http://www.instructables.com/files/deriv/FYP/PPOO/H672M0A3/FYPPPOOH672M0A3.SMALL.jpg Higgs Boson I've been looking for a simple experiment I could do involving physics that I already had all of the materials for. After a bit of searching online I came across a project on inventgeek.com using a webcam and smoke detector, and of course I had to build it. basically you will be able to see small wh...
By: Higgs Boson

Continue Reading »]]> Sun, 2 Sep 2012 14:40:35 PDT http://www.instructables.com/id/Build-a-Pendulum-Seismometer-for-under-15/
Build a Pendulum Seismometer for under $15 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FEJ/THNX/H673DZLJ/FEJTHNXH673DZLJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FEJ/THNX/H673DZLJ/FEJTHNXH673DZLJ.SQUARE.jpg http://www.instructables.com/files/deriv/FEJ/THNX/H673DZLJ/FEJTHNXH673DZLJ.SMALL.jpg bikeframe Instructables is such a super source of information! A while back I was looking for ideas for a seismometer I wanted to build and ran across the IBLs that used a piezo element from a $1 intruder alarm as a microphone. There was my seismometer transducer. What a deal for a buck! A seismometer is a s...
By: bikeframe

Continue Reading »]]> Thu, 30 Aug 2012 14:36:28 PDT http://www.instructables.com/id/Digital-Frequency-Counter/
Digital Frequency Counter - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SQUARE2.jpg http://www.instructables.com/files/deriv/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SQUARE.jpg http://www.instructables.com/files/deriv/F0Q/N2PL/H2WEVBHB/F0QN2PLH2WEVBHB.SMALL.jpg laserjocky First of all, if you like this project, please vote for me in the Hurricane Laser Competition and the LED Contest! Have you ever needed to find out how quickly something is oscillating? For things like hamster wheels and ocean waves, this is easy. You just count how many times the wheel goes ar...
By: laserjocky

Continue Reading »]]> Thu, 23 Aug 2012 21:37:45 PDT http://www.instructables.com/id/My-Space-Balloon-Project-Stratohab-Success-High/
My Space Balloon: Project Stratohab Success!! High School Student's Budget - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FIY/CBMU/H5Y9W3TA/FIYCBMUH5Y9W3TA.SQUARE2.jpg http://www.instructables.com/files/deriv/FIY/CBMU/H5Y9W3TA/FIYCBMUH5Y9W3TA.SQUARE.jpg http://www.instructables.com/files/deriv/FIY/CBMU/H5Y9W3TA/FIYCBMUH5Y9W3TA.SMALL.jpg robotkid249 "We're making space more American. We're making space more democratic. We're making space more available, approachable and real to the average American."  - James Muncy, President of Polispace As an avid maker and hobbyist, I support the open source initiative like the Arduino micro controller plat...
By: robotkid249

Continue Reading »]]> Thu, 23 Aug 2012 13:30:05 PDT http://www.instructables.com/id/Dry-Cell-Electrolyser/
Dry Cell Electrolyser - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FUC/CODP/H52FXCNI/FUCCODPH52FXCNI.SQUARE2.jpg http://www.instructables.com/files/deriv/FUC/CODP/H52FXCNI/FUCCODPH52FXCNI.SQUARE.jpg http://www.instructables.com/files/deriv/FUC/CODP/H52FXCNI/FUCCODPH52FXCNI.SMALL.jpg Jamie bagn An electrolyser is a piece of scientific equipment that splits polarised molecules into its ions. In this case it will split water into hydrogen and oxygen gas. A dry cell electrolyser is an electrolyser that is completely enclosed; the other type is a wet cell electrolyser which can be two metal pl...
By: Jamie bagn

Continue Reading »]]> Sun, 19 Aug 2012 06:48:57 PDT http://www.instructables.com/id/PULLING-IRON-from-GOLD-BEACH/
PULLING IRON from GOLD BEACH - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F3W/Z6NI/H58V906E/F3WZ6NIH58V906E.SQUARE2.jpg http://www.instructables.com/files/deriv/F3W/Z6NI/H58V906E/F3WZ6NIH58V906E.SQUARE.jpg http://www.instructables.com/files/deriv/F3W/Z6NI/H58V906E/F3WZ6NIH58V906E.SMALL.jpg iceng Hard to believe this pristine beach has tons of iron in the sand ! ! Gold Beach in Oregon had a lot more Iron in the sand 20 years ago. This instructable shows you how to separate and collect the Gold Beach Iron using a simple Magnet. TOOL YOU NEED Harbor Freight sells a magnetic pick-up and...
By: iceng

Continue Reading »]]> Sat, 11 Aug 2012 17:14:59 PDT http://www.instructables.com/id/Hover-Sled-10/
Hover Sled 1.0 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SQUARE2.jpg http://www.instructables.com/files/deriv/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Sun, 5 Aug 2012 11:57:49 PDT http://www.instructables.com/id/How-to-Make-a-Siphon-Wave-Generator/
How to Make a Siphon Wave Generator - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F38/KJKQ/H5E9PTX4/F38KJKQH5E9PTX4.SQUARE2.jpg http://www.instructables.com/files/deriv/F38/KJKQ/H5E9PTX4/F38KJKQH5E9PTX4.SQUARE.jpg http://www.instructables.com/files/deriv/F38/KJKQ/H5E9PTX4/F38KJKQH5E9PTX4.SMALL.jpg howtowithmanish Please Rate this Instructable and follow me if you like it. :) I made this project with a person I met in a science internship at the Foundation For Diffusion of Scientific Knowledge. (Saad Ahmed) Please like this page: http://www.facebook.com/FDSKtrust And you can follow their website at : http:...
By: howtowithmanish

Continue Reading »]]> Sun, 5 Aug 2012 09:02:46 PDT http://www.instructables.com/id/How-to-Make-a-Cheap-Portable-Magnetic-Stirrer/
How to Make a Cheap, Portable Magnetic Stirrer - More DIY How To Projects]]> http://cdn.instructables.com/FBQ/A4AN/H2WEXKQR/FBQA4ANH2WEXKQR.SQUARE2.jpg http://cdn.instructables.com/FBQ/A4AN/H2WEXKQR/FBQA4ANH2WEXKQR.SQUARE.jpg http://cdn.instructables.com/FBQ/A4AN/H2WEXKQR/FBQA4ANH2WEXKQR.SMALL.jpg alexngai I needed a magnetic stirrer to keep some cells agitated for cell culture, but didn't want to spend the thirty or so dollars needed to buy one. This magnetic stirrer uses an old computer fan and some cheap neodymium magnets with a moldable plastic stir bar. The parts are: - computer fan - small magn...
By: alexngai

Continue Reading »]]> Mon, 11 Jun 2012 15:30:48 PDT http://www.instructables.com/id/3d-Nocturnal-Celestial-Stardial-TJT56/
3d Nocturnal Celestial Stardial TJT5/6 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FHE/PA3I/H0URBX5I/FHEPA3IH0URBX5I.SQUARE2.jpg http://www.instructables.com/files/deriv/FHE/PA3I/H0URBX5I/FHEPA3IH0URBX5I.SQUARE.jpg http://www.instructables.com/files/deriv/FHE/PA3I/H0URBX5I/FHEPA3IH0URBX5I.SMALL.jpg TimeJourneyTools A Nocturnal Celestial Stardial is best when it's a solid archival material. As such it makes a fine heirloom or engagement present. Time-Journey Tool 5 of 6 is an accurately functioning instrument. Nocturnal Celestial Stardials were originally called "horologium nocturnum" (time instrument for nigh...
By: TimeJourneyTools

Continue Reading »]]> Mon, 16 Apr 2012 11:03:37 PDT http://www.instructables.com/id/Unique-Pendulum-Wave-and-Release-Mechanism/
Unique Pendulum Wave and Release Mechanism - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FNE/D3JR/H2WEWBEF/FNED3JRH2WEWBEF.SQUARE2.jpg http://www.instructables.com/files/deriv/FNE/D3JR/H2WEWBEF/FNED3JRH2WEWBEF.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 4 Jun 2012 20:48:31 PDT http://www.instructables.com/id/Casting-a-Large-Light-Weight-Telescope-Mirror-fro/
Casting a Large, Light-Weight Telescope Mirror from Recycled Glass - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FPT/P5LI/H2TJ4MD1/FPTP5LIH2TJ4MD1.SQUARE2.jpg http://www.instructables.com/files/deriv/FPT/P5LI/H2TJ4MD1/FPTP5LIH2TJ4MD1.SQUARE.jpg http://www.instructables.com/files/deriv/FPT/P5LI/H2TJ4MD1/FPTP5LIH2TJ4MD1.SMALL.jpg mdavis19 The first photo below shows a 12.5 inch diameter, 1.5 inch thick, telescope mirror blank, made from recycled glass, that has been lightened by casting the mirror in a mold that made lots of hexagon-shaped pockets in the back of the mirror. This is the story of how I did it. Why light-weight mirror ...
By: mdavis19

Continue Reading »]]> Mon, 4 Jun 2012 16:56:08 PDT http://www.instructables.com/id/How-to-X-Ray/
How to X-Ray - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FDQ/Q6LE/H0OJ0MNL/FDQQ6LEH0OJ0MNL.SQUARE2.jpg http://www.instructables.com/files/deriv/FDQ/Q6LE/H0OJ0MNL/FDQQ6LEH0OJ0MNL.SQUARE.jpg http://www.instructables.com/files/deriv/FDQ/Q6LE/H0OJ0MNL/FDQQ6LEH0OJ0MNL.SMALL.jpg grenadier So you wanna learn how to x-ray? Well then do I have some information for you!  Preface: Why did I write this instructable? Well, to have a shot at winning that objet 3D printer! And why would I want that?  To set up a hackerspace of course! There aren't any within 50 miles of my town, and that...
By: grenadier

Continue Reading »]]> Mon, 4 Jun 2012 20:10:27 PDT http://www.instructables.com/id/Magicolor-shadow-lamps/
Magicolor shadow lamps - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FJC/9JBF/H2WEQ9J6/FJC9JBFH2WEQ9J6.SQUARE2.jpg http://www.instructables.com/files/deriv/FJC/9JBF/H2WEQ9J6/FJC9JBFH2WEQ9J6.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Mon, 4 Jun 2012 21:42:56 PDT http://www.instructables.com/id/How-to-Build-an-Equatorial-Mount-for-Long-Exposure/
How to Build an Equatorial Mount for Long Exposure Astrophotography - More DIY How To Projects]]> http://cdn.instructables.com/FUO/Z49P/H2TIUCSC/FUOZ49PH2TIUCSC.SQUARE2.jpg http://cdn.instructables.com/FUO/Z49P/H2TIUCSC/FUOZ49PH2TIUCSC.SQUARE.jpg http://cdn.instructables.com/FUO/Z49P/H2TIUCSC/FUOZ49PH2TIUCSC.SMALL.jpg ridiculously.awesome Last Fall (2011) I took full advantage of the fantastic sabatical policy where I am employed.  My wife and I spent a good portion of this time driving around the beautiful American Southwest and the many awesome parks on and around the Colorado Plateau.  While driving hundreds of miles in desolate l...
By: ridiculously.awesome

Continue Reading »]]> Wed, 30 May 2012 23:53:29 PDT http://www.instructables.com/id/Hoffman-Apparatus-for-pure-hydrogen-gas/
Hoffman Apparatus for pure hydrogen gas - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFG/UJZ9/H2MYHA5I/FFGUJZ9H2MYHA5I.SQUARE2.jpg http://www.instructables.com/files/deriv/FFG/UJZ9/H2MYHA5I/FFGUJZ9H2MYHA5I.SQUARE.jpg http://www.instructables.com/files/deriv/FFG/UJZ9/H2MYHA5I/FFGUJZ9H2MYHA5I.SMALL.jpg squiggy2 I’m sick of hydrocarbons. There are way better gasses out there that do the same job. Did you know – the original engine by Rudolf Diesel was made to run on peanut oil, and the original T-model Ford was designed for ethanol fuel? Anyway, enough of that. Before I can think about alternative automobil...
By: squiggy2

Continue Reading »]]> Fri, 25 May 2012 06:30:27 PDT http://www.instructables.com/id/How-to-make-a-solar-eclipse-viewer/
How to make a solar eclipse viewer - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F7J/G3KQ/H2G60719/F7JG3KQH2G60719.SQUARE2.jpg http://www.instructables.com/files/deriv/F7J/G3KQ/H2G60719/F7JG3KQH2G60719.SQUARE.jpg http://www.instructables.com/files/deriv/F7J/G3KQ/H2G60719/F7JG3KQH2G60719.SMALL.jpg pyrateroberts This instructable while not the most asthetic ever made is purely functional.  It will help you see a solar eclipse with your eyes and in my opinion is better than a pinhole camera or monocular setup.  Supplies Any boxes can be cut to fit I used mostly a "wheat snack box" from a popular Dollar s...
By: pyrateroberts

Continue Reading »]]> Mon, 21 May 2012 16:06:55 PDT http://www.instructables.com/id/How-to-View-an-Eclipse-Sunspots-or-the-Transit-o/
How to View a Solar Eclipse, Sunspots, or the Transit of Venus! - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FOR/GKGO/H9G0SYNG/FORGKGOH9G0SYNG.SQUARE2.jpg http://www.instructables.com/files/deriv/FOR/GKGO/H9G0SYNG/FORGKGOH9G0SYNG.SQUARE.jpg http://www.instructables.com/files/deriv/FOR/GKGO/H9G0SYNG/FORGKGOH9G0SYNG.SMALL.jpg depotdevoid Viewing an eclipse or other solar event is great fun, and an excellent way to involve kids in learning about science.  I'm writing this on the evening of May 20, 2012, just after a great annular (ring) solar eclipse, and in anticipation of of the June 5/6 transit of Venus.  My daughter and I watche...
By: depotdevoid

Continue Reading »]]> Sun, 20 May 2012 22:53:56 PDT http://www.instructables.com/id/iPad-3-MAGNET-ATTRACTION/
MAGNETIC ATTRACTION ... of an ... iPad 3 - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F70/HIF1/H1LWQIMM/F70HIF1H1LWQIMM.SQUARE2.jpg http://www.instructables.com/files/deriv/F70/HIF1/H1LWQIMM/F70HIF1H1LWQIMM.SQUARE.jpg http://www.instructables.com/files/deriv/F70/HIF1/H1LWQIMM/F70HIF1H1LWQIMM.SMALL.jpg iceng This Instructable shows the magnetic design of the iPad 3... And the very unique Magnetic Cover ( Red Leather of my selection ) Objective here is to understand how the iPad uses magnets to operate this highly innovative product.. You will see the impressive array of magnet placement in the glass a...
By: iceng

Continue Reading »]]> Mon, 7 May 2012 22:31:53 PDT http://www.instructables.com/id/10000-rpm-ping-pong-ball/
10,000 rpm ping-pong ball - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F1N/9IQA/H19RUZ89/F1N9IQAH19RUZ89.SQUARE2.jpg http://www.instructables.com/files/deriv/F1N/9IQA/H19RUZ89/F1N9IQAH19RUZ89.SQUARE.jpg http://www.instructables.com/files/deriv/F1N/9IQA/H19RUZ89/F1N9IQAH19RUZ89.SMALL.gif makendo I use cryogens in chemistry demos, and quick safe easy examples with zero clean-up are always welcome. I'd found about this one - the spinning ping-pong ball - through YouTube. The video has had over 2 million views, but I was underwhelmed - a slowly rotating and gently steaming ping-pong ball is ha...
By: makendo

Continue Reading »]]> Thu, 26 Apr 2012 12:46:15 PDT