Instructables: exploring - technology - science - diy - featured Sat, 18 Apr 2015 21:57:51 PDT BLOX v1.01 Glove-a-Trombone!
Glove-a-Trombone! - More DIY How To Projects]]> The Oakland Toy Lab Whether you miss the sound of a flock of geese in the morning, a foghorn at night, an ensemble of car horns at daybreak, the Glove-a-Trombone can take care of all your audio needs. With an adjustable pitch, the glove-a-trombone is a great instrument to introduce people to pitch, frequency, wavelengt...
By: The Oakland Toy Lab

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Sat, 18 Apr 2015 11:04:59 PDT
DIY hydrogen generator
DIY hydrogen generator - More DIY How To Projects]]> Make it BIG If you like my project please vote for it in the Explore Science Contest.This Instructable shows, how to build an easy DIY hydrogen generator.Materials needed for this project:- Empty container with lid- Cables- Pencil- Luster terminals- Hot glue gun- DC Power Supply- Drill- Funnel - Balloon Build...
By: Make it BIG

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Sun, 5 Apr 2015 09:21:49 PDT
DIY Interferometer: Prove Einstein Wrong in 20 Minutes!
DIY Interferometer: Prove Einstein Wrong in 20 Minutes! - More DIY How To Projects]]> DrewPaulDesigns What is light? Is it a particle or is it a wave? What an imprudent question! As we know, these are not mutually exclusive characteristics. “Particle” describes the composition of a substance and “wave” describes the motion of it. Right? But…, wait…, so…, that still doesn’t answer the questio...
By: DrewPaulDesigns

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Sun, 22 Mar 2015 18:00:22 PDT
THERMAL ENERGY MACHINE - More DIY How To Projects]]> manu.dalpoz The thermal energy machine that we are about to build is quite simple and cheap. But first of all, what does it do?Our machine is going to transform thermal energy to mechanical energy, following the principal of the first thermal energy machine, built by the greek Heron. Lets get started! Materials...
By: manu.dalpoz

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Sun, 15 Mar 2015 10:17:20 PDT
DIY solar cell from scratch
DIY solar cell from scratch - More DIY How To Projects]]> akolk1 Hello! In this instructable I will be showing you how to create a solar cell! I must warn you, the end product does not have any esthetic appeal whatsoever and is far from an professionally produced solar cell, but it works! This instructable will cover everything from gathering materials to measuri...
By: akolk1

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Sat, 28 Feb 2015 07:38:31 PST
Homemade liquid nitrogen generator
Homemade liquid nitrogen generator - More DIY How To Projects]]> 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
How To: Get an Egg Through a Bottleneck - More DIY How To Projects]]> 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
Copper Plating - More DIY How To Projects]]> LetsTryDIY 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: LetsTryDIY

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Tue, 11 Mar 2014 08:50:38 PDT
Build a Fire Tornado! 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! 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
Tornado Machine - More DIY How To Projects]]> ixisuprflyixi I 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 and d...
By: ixisuprflyixi

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Tue, 18 Dec 2012 20:34:09 PST
Hover Sled 1.0
Hover Sled 1.0 - More DIY How To Projects]]> 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
Casting a Large, Light-Weight Telescope Mirror from Recycled Glass - More DIY How To Projects]]> 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
5 Minute DIY Motor - More DIY How To Projects]]> 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
Solar powered Reverse Trike - More DIY How To Projects]]> 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
Homemade 12.5 inch Dobsonian Telescope - More DIY How To Projects]]> 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
Make A Water Leyden Jar - More DIY How To Projects]]> 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!
Home Built Hydroponics Unit for an 8th Grade Science Classroom - The Hydroshack Lives Again! - More DIY How To Projects]]> 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
Homemade Plastic - More DIY How To Projects]]> 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]
Wind Generator from old scanner [updated] - More DIY How To Projects]]> 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
Circuit Building 101 - More DIY How To Projects]]> 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...

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Sun, 24 Feb 2008 18:02:06 PST
Crystallization of homemade sodium acetate
Crystallization of homemade sodium acetate - More DIY How To Projects]]> 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