Instructables: exploring - science - cheap - popular http://www.instructables.com Wed, 4 May 2016 08:44:56 PDT BLOX v1.01 Model rocket recovery wadding http://www.instructables.com/id/Model-rocket-recovery-wadding/
Model rocket recovery wadding - More DIY How To Projects]]> http://cdn.instructables.com/F7E/ZK5P/FQSWZU0S/F7EZK5PFQSWZU0S.SQUARE2.jpg http://cdn.instructables.com/F7E/ZK5P/FQSWZU0S/F7EZK5PFQSWZU0S.SQUARE.jpg http://cdn.instructables.com/F7E/ZK5P/FQSWZU0S/F7EZK5PFQSWZU0S.SMALL.jpg Pyro the maniac Love launching model rockets but don't love the cost? Here's a way to cut costs a bit by making your own recovery waddingThe point of the recovery wadding is to provide a shield between the recovery charge from the engine (hot gases and sparks) and the parachute or other recovery system for the rea...
By: Pyro the maniac

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Sat, 17 Jan 2009 21:10:51 PST
DIY Microbial Fuel Cell! EASY! http://www.instructables.com/id/DIY-Microbial-Fuel-Cell-easy/
DIY Microbial Fuel Cell! EASY! - More DIY How To Projects]]> http://cdn.instructables.com/F5M/A915/HK6XN9LR/F5MA915HK6XN9LR.SQUARE2.jpg http://cdn.instructables.com/F5M/A915/HK6XN9LR/F5MA915HK6XN9LR.SQUARE.jpg http://cdn.instructables.com/F5M/A915/HK6XN9LR/F5MA915HK6XN9LR.SMALL.jpg paultnylund Let me know if you need any help building one of your own. My name is Paul Nylund, and my partner on the project was Marcia Rojas if you need to cite this. Blueprint: http://goo.gl/Z3Nuf During our testing, we occasionally saw spikes of up to 6 volts while adjusting the apparatus. We were not able...
By: paultnylund

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Mon, 27 May 2013 13:57:30 PDT
How to Make a Battery Out of Mud http://www.instructables.com/id/An-Easy-Cheap-Soil-based-Microbial-Fuel-Cell/
How to Make a Battery Out of Mud - More DIY How To Projects]]> http://cdn.instructables.com/FDW/QM3I/GQO92IT6/FDWQM3IGQO92IT6.SQUARE2.jpg http://cdn.instructables.com/FDW/QM3I/GQO92IT6/FDWQM3IGQO92IT6.SQUARE.jpg http://cdn.instructables.com/FDW/QM3I/GQO92IT6/FDWQM3IGQO92IT6.SMALL.jpg 20StoryLincoln While trying to make a microbial fuel cell apparently I stumbled upon how to make an Earth battery, which is something whose existence I really had no clue about until I made one. While the current it generates is pretty much non-existent I've found that several of these in series are capable of dim...
By: 20StoryLincoln

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Sat, 2 Jul 2011 09:28:31 PDT
How to make a Telescope http://www.instructables.com/id/How-to-make-a-Telescope/
How to make a Telescope - More DIY How To Projects]]> http://cdn.instructables.com/FZP/ALQ5/HBXWS6HI/FZPALQ5HBXWS6HI.SQUARE2.jpg http://cdn.instructables.com/FZP/ALQ5/HBXWS6HI/FZPALQ5HBXWS6HI.SQUARE.jpg http://cdn.instructables.com/FZP/ALQ5/HBXWS6HI/FZPALQ5HBXWS6HI.SMALL.jpg chandrahas aroori I have always wanted to observe the stars, but the equipment was pretty expensive.Have you been fascinated by the stars in the sky?Did you want to get closer to them?Did you ever want a telescope but it was too expensive? Well here's your answer to all these questions:-How to make a telescope!!! ...
By: chandrahas aroori

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Wed, 14 Nov 2012 22:06:23 PST
How to make Hydrogen http://www.instructables.com/id/How-to-make-Hydrogen/
How to make Hydrogen - More DIY How To Projects]]> http://cdn.instructables.com/F5T/Y3NJ/F0X1RTQ1/F5TY3NJF0X1RTQ1.SQUARE2.jpg http://cdn.instructables.com/F5T/Y3NJ/F0X1RTQ1/F5TY3NJF0X1RTQ1.SQUARE.jpg http://cdn.instructables.com/F5T/Y3NJ/F0X1RTQ1/F5TY3NJF0X1RTQ1.SMALL.jpg steven07 Hello I will start by saying that this is my first instructable and would value any input that may lead to improve this article. I would also like to advise everyone to take safety precautions. DANGEROUS THINGS ARE DANGEROUS you get it?Throughout this article I will show you how to create, store an...
By: steven07

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Wed, 25 Apr 2007 08:27:31 PDT
how to make a homemade ON/OFF switch http://www.instructables.com/id/how-to-make-a-homemade-ONOFF-switch/
how to make a homemade ON/OFF switch - More DIY How To Projects]]> http://cdn.instructables.com/FYD/KUYJ/FX8OUI52/FYDKUYJFX8OUI52.SQUARE2.jpg http://cdn.instructables.com/FYD/KUYJ/FX8OUI52/FYDKUYJFX8OUI52.SQUARE.jpg http://cdn.instructables.com/FYD/KUYJ/FX8OUI52/FYDKUYJFX8OUI52.SMALL.jpg coolrobot this will show you how to do a homemade ON/OFF switch with stuff ou can find around the house from little to no cost to you get all the materials needed Give a general description of the Stepok so this will be very cheap... - 2 paper fastners - 1 paperclip (preferably small) - 1 sheet of paper ...
By: coolrobot

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Sat, 18 Jul 2009 04:48:30 PDT
Easily recharge alkaline batteries! http://www.instructables.com/id/Easily-recharge-alkaline-batteries/
Easily recharge alkaline batteries! - More DIY How To Projects]]> http://cdn.instructables.com/FOI/4SXP/FHTAIQX4/FOI4SXPFHTAIQX4.SQUARE2.jpg http://cdn.instructables.com/FOI/4SXP/FHTAIQX4/FOI4SXPFHTAIQX4.SQUARE.jpg http://cdn.instructables.com/FOI/4SXP/FHTAIQX4/FOI4SXPFHTAIQX4.SMALL.jpg CalcProgrammer1 Did you know that you can recharge alkaline batteries? Well, they're not perfect (don't have very good recharge capacity, few recharge cycles, etc) but you can recharge them to an extent. Many people have developed fancy charging circuits, but I was able to get charge into some Alkaline batteries ...
By: CalcProgrammer1

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Mon, 23 Jun 2008 22:51:37 PDT
Wind Tube! http://www.instructables.com/id/Wind-Tube/
Wind Tube! - More DIY How To Projects]]> http://cdn.instructables.com/FQL/XIXK/I9JR90BI/FQLXIXKI9JR90BI.SQUARE2.jpg http://cdn.instructables.com/FQL/XIXK/I9JR90BI/FQLXIXKI9JR90BI.SQUARE.jpg http://cdn.instructables.com/FQL/XIXK/I9JR90BI/FQLXIXKI9JR90BI.SMALL.jpg The Oakland Toy Lab Whether you want to wind down or wind up, this tube is soon to be your favorite automatic aerodynamic magic. Like the giant bubble fan from Willy Wonka's factory, this easy to make wind tube is great for exploring what flies, spins, tumbles, soars and falls, all easily mobile for the teacher/parent/...
By: The Oakland Toy Lab

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Mon, 11 May 2015 18:10:48 PDT
How to DIY your own Magnetic Stirrer V2 (better than first version) 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://cdn.instructables.com/F44/5KWR/HFD10SC4/F445KWRHFD10SC4.SQUARE2.jpg http://cdn.instructables.com/F44/5KWR/HFD10SC4/F445KWRHFD10SC4.SQUARE.jpg http://cdn.instructables.com/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

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Wed, 3 Apr 2013 15:51:51 PDT
Super accurate level meter http://www.instructables.com/id/Super-accurate-level-meter/
Super accurate level meter - More DIY How To Projects]]> http://cdn.instructables.com/FGC/SPNQ/FUNOWPDU/FGCSPNQFUNOWPDU.SQUARE2.jpg http://cdn.instructables.com/FGC/SPNQ/FUNOWPDU/FGCSPNQFUNOWPDU.SQUARE.jpg http://cdn.instructables.com/FGC/SPNQ/FUNOWPDU/FGCSPNQFUNOWPDU.SMALL.jpg damoelld This water meter is the most accurate level meter I have ever used (not counting micrometers or calipers).It is easier to use and more accurate than using a bubble level and line, or tape measure. It can be done by ONE person, It can be used around corners from your reference point. I have used it t...
By: damoelld

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Thu, 14 May 2009 18:09:59 PDT
Easy but destructive wrist mounted flamethrower http://www.instructables.com/id/Easy-but-destructive-wrist-mounted-flamethrower/
Easy but destructive wrist mounted flamethrower - More DIY How To Projects]]> http://cdn.instructables.com/F73/3EVX/HK483X1M/F733EVXHK483X1M.SQUARE2.jpg http://cdn.instructables.com/F73/3EVX/HK483X1M/F733EVXHK483X1M.SQUARE.jpg http://cdn.instructables.com/F73/3EVX/HK483X1M/F733EVXHK483X1M.SMALL.jpg xaviergoby http://www.youtube.com/watch?v=PlfMB5y0zIc This is a flamethrower I made which didn't take me quit long how ever finding the materials were a hassle for me but since I have already listed the materials here it should not be a problem! Build this at your own risk! It is not very dangerous howeve...
By: xaviergoby

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Tue, 13 Aug 2013 10:31:33 PDT
Create a hardware store jet engine! http://www.instructables.com/id/Create-a-hardware-store-jet-engine/
Create a hardware store jet engine! - More DIY How To Projects]]> http://cdn.instructables.com/FUQ/0ZXT/FHXUOMG5/FUQ0ZXTFHXUOMG5.SQUARE2.jpg http://cdn.instructables.com/FUQ/0ZXT/FHXUOMG5/FUQ0ZXTFHXUOMG5.SQUARE.jpg http://cdn.instructables.com/FUQ/0ZXT/FHXUOMG5/FUQ0ZXTFHXUOMG5.SMALL.jpg pulsed Jet engines are fun.What could be better than fire,noise,and power?Unfortunatley jet engines of any type arent easy to make unless you have welding experience or acess to a machine shop. supplies you need. for the small jet y ou will need...a 1/8 by 1 1/2 brass nipple,A 1/8 by 3 brass nipple,A 1/...
By: pulsed

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Sun, 29 Jun 2008 10:31:24 PDT
Amazing & Graceful Egg Drop Contraption http://www.instructables.com/id/Amazing--Graceful-Egg-Drop-Contraption/
Amazing & Graceful Egg Drop Contraption - More DIY How To Projects]]> http://cdn.instructables.com/FJD/9FS2/FGMZ67BC/FJD9FS2FGMZ67BC.SQUARE2.jpg http://cdn.instructables.com/FJD/9FS2/FGMZ67BC/FJD9FS2FGMZ67BC.SQUARE.jpg http://cdn.instructables.com/FJD/9FS2/FGMZ67BC/FJD9FS2FGMZ67BC.SMALL.jpg wkl Recently my AP Physics class was assigned the egg drop project. After experimenting with a few designs I found one that works very well and looks good too. Although some of the restrictions for the classic egg drop project vary, some of the same prinicples found in this design might be applied to ...
By: wkl

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Sun, 25 May 2008 01:58:09 PDT
The 5 minute instant hand warmer! http://www.instructables.com/id/The-5-minute-instant-hand-warmer/
The 5 minute instant hand warmer! - More DIY How To Projects]]> http://cdn.instructables.com/F4V/XU3B/FY1HHHMT/F4VXU3BFY1HHHMT.SQUARE2.jpg http://cdn.instructables.com/F4V/XU3B/FY1HHHMT/F4VXU3BFY1HHHMT.SQUARE.jpg http://cdn.instructables.com/F4V/XU3B/FY1HHHMT/F4VXU3BFY1HHHMT.SMALL.jpg junits15 Everybody has seen them, the instant hand warmers sold during the winter months for insane prices. However In this instructable Im going to show you an easy way to make an instant handwarmer with things that you proably have liying around your house! Its a little odd for me to be posting this in th...
By: junits15

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Thu, 6 Aug 2009 13:23:43 PDT
The Simple Tesla Coil http://www.instructables.com/id/The-Simple-Tesla-Coil/
The Simple Tesla Coil - More DIY How To Projects]]> http://cdn.instructables.com/FWA/4PVA/GUKZRGX7/FWA4PVAGUKZRGX7.SQUARE2.jpg http://cdn.instructables.com/FWA/4PVA/GUKZRGX7/FWA4PVAGUKZRGX7.SQUARE.jpg http://cdn.instructables.com/FWA/4PVA/GUKZRGX7/FWA4PVAGUKZRGX7.SMALL.jpg MistaStokes This is a guide on how to build a medium sized Tesla coil. I built this one from parts I had laying around, all I had to buy was magnet wire, in all I spent less than $30! For those building their first coil, I would not suggest using this a standalone source of instructions. This is my first coil,...
By: MistaStokes

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Fri, 4 Nov 2011 14:28:12 PDT
Solar powered Reverse Trike http://www.instructables.com/id/Solar-powered-Vehicle/
Solar powered Reverse Trike - More DIY How To Projects]]> http://cdn.instructables.com/FEA/6Y8K/GQYGKK1L/FEA6Y8KGQYGKK1L.SQUARE2.jpg http://cdn.instructables.com/FEA/6Y8K/GQYGKK1L/FEA6Y8KGQYGKK1L.SQUARE.jpg http://cdn.instructables.com/FEA/6Y8K/GQYGKK1L/FEA6Y8KGQYGKK1L.SMALL.jpg The Mak3rs SOLAR POWERED REVERSE TRIKE Designed and built in just 18 days at the University of Engineering and Technology Lahore in Pakistan,  7 x 3.5 x 4.5 ft (2.13 x 1.06 x 1.37 meter), 132 pound (60 kg) low-rider features a custom built, t-shaped aluminum framework at the front of the vehicle, and the ba...
By: The Mak3rs

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Sat, 16 Jul 2011 09:59:47 PDT
Parallel Port 3 Axis CNC Driver, Opto-Isolated, Unipolar Steppers http://www.instructables.com/id/Parallel-Port-3-Axis-CNC-Driver-Opto-Isolated/
Parallel Port 3 Axis CNC Driver, Opto-Isolated, Unipolar Steppers - More DIY How To Projects]]> http://cdn.instructables.com/FDE/DVL4/H3QEXGNE/FDEDVL4H3QEXGNE.SQUARE2.jpg http://cdn.instructables.com/FDE/DVL4/H3QEXGNE/FDEDVL4H3QEXGNE.SQUARE.jpg http://cdn.instructables.com/FDE/DVL4/H3QEXGNE/FDEDVL4H3QEXGNE.SMALL.jpg ChromationSystems Controls 3 Unipolar Stepper Motors, for use with CNC Machines. Simple driver with automatic coil  shutdown, to ensure efficient operation.  Opto-isolated for protection of the P.C. Supports most parallel port based CNC software, such as KCAM. Supports up to 20 watts per Phase. Or 2 Amps per phase....
By: ChromationSystems

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Thu, 4 Mar 2010 22:11:58 PST