Instructables: exploring - technology - science - diy - featured http://www.instructables.com Thu, 2 Oct 2014 08:13:00 PDT BLOX v1.01 Homemade liquid nitrogen generator http://www.instructables.com/id/Homemade-liquid-nitrogen-generator/
Homemade liquid nitrogen generator - More DIY How To Projects]]> http://cdn.instructables.com/FWA/8V6B/HVFL6I4P/FWA8V6BHVFL6I4P.SQUARE2.jpg http://cdn.instructables.com/FWA/8V6B/HVFL6I4P/FWA8V6BHVFL6I4P.SQUARE.jpg http://cdn.instructables.com/FWA/8V6B/HVFL6I4P/FWA8V6BHVFL6I4P.SMALL.jpg imsmooth Did you ever think you could make liquid nitrogen in your own garage? This is an industrial process so how can an individual do this? Still doubt me? Intrigued? Read on.As a lover of science I tried to think of a challenging project that was out of the ordinary. After going through the internet web ...
By: imsmooth

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Tue, 20 May 2014 13:20:29 PDT
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
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
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
Tornado Machine http://www.instructables.com/id/Tornado-Machine/
Tornado Machine - More DIY How To Projects]]> http://cdn.instructables.com/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SQUARE2.jpg http://cdn.instructables.com/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SQUARE.jpg http://cdn.instructables.com/FDZ/H369/HAVCQ8EC/FDZH369HAVCQ8EC.SMALL.jpg ixisuprflyixi I have made a number of these "tornado machines" in the past and everyone usually enjoys them but because I make things in such a careless way I often don't take photos and everything is one of a kind.  However, Instructables is helping me to change all that. Now I plan and research and make models ...
By: ixisuprflyixi

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Tue, 18 Dec 2012 20:34:09 PST
Hover Sled 1.0 http://www.instructables.com/id/Hover-Sled-10/
Hover Sled 1.0 - More DIY How To Projects]]> http://cdn.instructables.com/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SQUARE2.jpg http://cdn.instructables.com/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SQUARE.jpg http://cdn.instructables.com/FJ1/P0A0/H5ENQ3DA/FJ1P0A0H5ENQ3DA.SMALL.jpg z0rb      Some time ago, I saw someone, somewhere floating about on a homemade hovercraft, slapped together with little more than a shower curtain, a piece of plywood and an old vacuum cleaner. This of course set me to thinking about how I could join the ranks of such bold aeronauts of the DIY persuasion...
By: z0rb

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Sun, 5 Aug 2012 11:57:49 PDT
Casting a Large, Light-Weight Telescope Mirror from Recycled Glass 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://cdn.instructables.com/FPT/P5LI/H2TJ4MD1/FPTP5LIH2TJ4MD1.SQUARE2.jpg http://cdn.instructables.com/FPT/P5LI/H2TJ4MD1/FPTP5LIH2TJ4MD1.SQUARE.jpg http://cdn.instructables.com/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

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Mon, 4 Jun 2012 16:56:08 PDT
5 Minute DIY Motor http://www.instructables.com/id/5-Minute-DIY-Motor/
5 Minute DIY Motor - More DIY How To Projects]]> http://cdn.instructables.com/FUE/LOFP/GW88TV5Y/FUELOFPGW88TV5Y.SQUARE2.jpg http://cdn.instructables.com/FUE/LOFP/GW88TV5Y/FUELOFPGW88TV5Y.SQUARE.jpg http://cdn.instructables.com/FUE/LOFP/GW88TV5Y/FUELOFPGW88TV5Y.SMALL.jpg blinkyblinky When I make a project, there are four things I look for. Low cost: If the project is going to cost me a million dollars (exaggerated a little bit) I won't make it.  Easily accessible materials: If the materials are impossible to find (unless it is a really, really cool project) I most likel...
By: blinkyblinky

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Fri, 16 Dec 2011 19:43:57 PST
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 farrukh khan 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: farrukh khan

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Sat, 16 Jul 2011 09:59:47 PDT
Homemade 12.5 inch Dobsonian Telescope http://www.instructables.com/id/Homemade-125-inch-Dobsonian-Telescope/
Homemade 12.5 inch Dobsonian Telescope - More DIY How To Projects]]> http://cdn.instructables.com/FMK/PKPG/GP7IHR8I/FMKPKPGGP7IHR8I.SQUARE2.jpg http://cdn.instructables.com/FMK/PKPG/GP7IHR8I/FMKPKPGGP7IHR8I.SQUARE.jpg http://cdn.instructables.com/FMK/PKPG/GP7IHR8I/FMKPKPGGP7IHR8I.SMALL.jpg nikon20 How to build a 12.5 inch closed tube Dobsonian telescope. I began building it in the spring of 2008, but the bulk of the work was done in July of 2008 with first light occurring on July 25. This Instructable describe the planning, design, and parts of the scope, as well as the process of building...
By: nikon20

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Sat, 9 Jul 2011 11:55:03 PDT
Make A Water Leyden Jar http://www.instructables.com/id/Make-A-Water-Leyden-Jar/
Make A Water Leyden Jar - More DIY How To Projects]]> http://cdn.instructables.com/F78/YRIR/FL611LNG/F78YRIRFL611LNG.SQUARE2.jpg http://cdn.instructables.com/F78/YRIR/FL611LNG/F78YRIRFL611LNG.SQUARE.jpg http://cdn.instructables.com/F78/YRIR/FL611LNG/F78YRIRFL611LNG.SMALL.jpg Plasmana Here is another type of high voltage capacitors - a Salt Water Leyden Jar!Don't know what a leyden jar is? No worries! Read here on Wikipedia!The water leyden jar is easier to make than a normal leyden jar because putting foil tape perfectly on the inside of the container can be very difficult. If t...
By: Plasmana

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Wed, 17 Sep 2008 06:57:05 PDT
Home Built Hydroponics Unit for an 8th Grade Science Classroom - The Hydroshack Lives Again! http://www.instructables.com/id/Home-Built-Hydroponics-Unit-for-an-8th-Grade-Scien/
Home Built Hydroponics Unit for an 8th Grade Science Classroom - The Hydroshack Lives Again! - More DIY How To Projects]]> http://cdn.instructables.com/FOF/XSMG/FJ7JE6EQ/FOFXSMGFJ7JE6EQ.SQUARE2.jpg http://cdn.instructables.com/FOF/XSMG/FJ7JE6EQ/FOFXSMGFJ7JE6EQ.SQUARE.jpg http://cdn.instructables.com/FOF/XSMG/FJ7JE6EQ/FOFXSMGFJ7JE6EQ.SMALL.jpg Mikey D My wife teaches 8th grade science. This project "The Hydroshack" is a rendition of one I built over 20 years ago in my college teaching methods class. It is designed specifically for performing experiments in a science class. It therefore incorporates some modifications for flexibility and contro...
By: Mikey D

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Thu, 7 Aug 2008 00:15:49 PDT
Homemade Plastic http://www.instructables.com/id/Homemade-Plastic/
Homemade Plastic - More DIY How To Projects]]> http://cdn.instructables.com/FSQ/BCRI/F11S8QE9/FSQBCRIF11S8QE9.SQUARE2.jpg http://cdn.instructables.com/FSQ/BCRI/F11S8QE9/FSQBCRIF11S8QE9.SQUARE.jpg http://cdn.instructables.com/FSQ/BCRI/F11S8QE9/FSQBCRIF11S8QE9.SMALL.jpg Coffeebot This is a quick and simple method for making your own general-purpose plastic. The constituent ingredients are milk and vinegar. That's it. The total cost is less than $10, possibly less than $5 if you can get a good deal. The plastic is moldable, and has a consistency of soggy cheese (I certainly ...
By: Coffeebot

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Sat, 28 Apr 2007 17:26:23 PDT
Wind Generator from old scanner [updated] http://www.instructables.com/id/Wind-Generator-from-old-scanner/
Wind Generator from old scanner [updated] - More DIY How To Projects]]> http://cdn.instructables.com/FWT/C9IS/FDWI2K7A/FWTC9ISFDWI2K7A.SQUARE2.jpg http://cdn.instructables.com/FWT/C9IS/FDWI2K7A/FWTC9ISFDWI2K7A.SQUARE.jpg http://cdn.instructables.com/FWT/C9IS/FDWI2K7A/FWTC9ISFDWI2K7A.SMALL.jpg Tigrezno I'll show you how to recycle an old scanner into an amazing wind generator. You need it, clean energy! What you need? What you need: - Old scanner - Rectifier diodes (I used 8 1N4007) - 1000uF Capacity - LM7805 (voltage regulator for 5 volts) - PVC pipe (for blades) - Plastic square (for ...
By: Tigrezno

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Mon, 17 Mar 2008 10:08:43 PDT
Circuit Building 101 http://www.instructables.com/id/Circuit-Building-101/
Circuit Building 101 - More DIY How To Projects]]> http://cdn.instructables.com/F9U/YQLC/FCZE7QSW/F9UYQLCFCZE7QSW.SQUARE2.jpg http://cdn.instructables.com/F9U/YQLC/FCZE7QSW/F9UYQLCFCZE7QSW.SQUARE.jpg http://cdn.instructables.com/F9U/YQLC/FCZE7QSW/F9UYQLCFCZE7QSW.SMALL.jpg CuriousInventor.com This is a beginner's guide to building circuits that will talk about the "proper" way to install components (resistors, ICs, capacitors, etc), and also a little bit about soldering. It'll cover things like recommended tools, how far and which direction components should be inserted, pre-bending and...
By: CuriousInventor.com

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Sun, 24 Feb 2008 18:02:06 PST
Crystallization of homemade sodium acetate http://www.instructables.com/id/Crystallization-of-homemade-sodium-acetate/
Crystallization of homemade sodium acetate - More DIY How To Projects]]> http://cdn.instructables.com/FK3/ZH09/FA190DVX/FK3ZH09FA190DVX.SQUARE2.jpg http://cdn.instructables.com/FK3/ZH09/FA190DVX/FK3ZH09FA190DVX.SQUARE.jpg http://cdn.instructables.com/FK3/ZH09/FA190DVX/FK3ZH09FA190DVX.SMALL.jpg indigoandblack (Updated - see end, below)If you've ever wanted to play around with sodium acetate, but you're too much of a nerd to simply go online and buy some from a chemical supply house - noooo, that'd be too easy, you want to make it, from scratch - then this instructable is for you.Inside, I show the whole ...
By: indigoandblack

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Thu, 13 Dec 2007 15:45:11 PST