Instructables: exploring - technology - science - popular http://www.instructables.com Sat, 27 Aug 2016 08:05:38 PDT BLOX v1.01 easily make black powder using house hold items http://www.instructables.com/id/easily-make-black-powder-using-house-hold-items/
easily make black powder using house hold items - More DIY How To Projects]]> https://cdn.instructables.com/FLJ/J0KM/HSPP6QYQ/FLJJ0KMHSPP6QYQ.SQUARE2.jpg https://cdn.instructables.com/FLJ/J0KM/HSPP6QYQ/FLJJ0KMHSPP6QYQ.SQUARE.jpg https://cdn.instructables.com/FLJ/J0KM/HSPP6QYQ/FLJJ0KMHSPP6QYQ.SMALL.jpg Pure Carbon For the longest time I have been trying to make black powder but I couldn't get the materials necessary to make it, saddened by this I did what any teen does when they are bored and go on YouTube. I typed ‚Äč in how to make gun powder using house hold items, and a video poped up called how to make boo...
By: Pure Carbon

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Wed, 12 Mar 2014 10:14:43 PDT
THE GAUSSIAN RIFFLE http://www.instructables.com/id/THE-GAUSSIAN-RIFFLE-1/
THE GAUSSIAN RIFFLE - More DIY How To Projects]]> https://cdn.instructables.com/FA7/0KXQ/FZ8J3XD5/FA70KXQFZ8J3XD5.SQUARE2.jpg https://cdn.instructables.com/FA7/0KXQ/FZ8J3XD5/FA70KXQFZ8J3XD5.SQUARE.jpg https://cdn.instructables.com/FA7/0KXQ/FZ8J3XD5/FA70KXQFZ8J3XD5.SMALL.jpg pratheepgoldy The electromagnetic riffle is a weaponry designed to fire ferrous projectiles with the help of high voltage currents discharged from a capacitor bank. It is a simple riffle designed to reduce the complexity and cost of bullets . The riffle is based on the concepts of electromagnetic levitation and m...
By: pratheepgoldy

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Sun, 6 Sep 2009 13:34:22 PDT
Purifying Potassium Nitrate (KNO3) http://www.instructables.com/id/Purifying-Potassium-Nitrate-KNO3/
Purifying Potassium Nitrate (KNO3) - More DIY How To Projects]]> https://cdn.instructables.com/FH8/DX3U/G9XBM4FU/FH8DX3UG9XBM4FU.SQUARE2.jpg https://cdn.instructables.com/FH8/DX3U/G9XBM4FU/FH8DX3UG9XBM4FU.SQUARE.jpg https://cdn.instructables.com/FH8/DX3U/G9XBM4FU/FH8DX3UG9XBM4FU.SMALL.jpg YoungPyro19 Song: Battle Without Honor or Humanity by Tomoyasu Hotei    Procedures for purifying chemicals are being invented and re-invented all the time. Purification depends very much on the chemicals that are considered the “contamination”, and their properties compare to the chemical you are try...
By: YoungPyro19

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Thu, 3 Jun 2010 22:47:23 PDT
How to build a simple Plasma Rifle aka Electrothermal Rifle http://www.instructables.com/id/How-to-build-a-simple-Plasma-Rifle-aka-Electrother/
How to build a simple Plasma Rifle aka Electrothermal Rifle - More DIY How To Projects]]> https://cdn.instructables.com/FM8/2SSQ/FCEIOK0E/FM82SSQFCEIOK0E.SQUARE2.jpg https://cdn.instructables.com/FM8/2SSQ/FCEIOK0E/FM82SSQFCEIOK0E.SQUARE.jpg https://cdn.instructables.com/FM8/2SSQ/FCEIOK0E/FM82SSQFCEIOK0E.SMALL.jpg geckowil In this Instructable we will show you how to build a simple electrothermal rifle that can shoot bbs using the plasma burst from a capacitive discharge. This design is easily scalable. If you use a higher voltage or larger capacity power supply you will be able to fire the projectile faster. Using on...
By: geckowil

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Sun, 10 Feb 2008 11:43:10 PST
Splitting Water the Easy Way http://www.instructables.com/id/Splitting-Water-the-Easy-Way/
Splitting Water the Easy Way - More DIY How To Projects]]> https://cdn.instructables.com/FN7/J1OU/IRW23ZGZ/FN7J1OUIRW23ZGZ.SQUARE2.jpg https://cdn.instructables.com/FN7/J1OU/IRW23ZGZ/FN7J1OUIRW23ZGZ.SQUARE.jpg https://cdn.instructables.com/FN7/J1OU/IRW23ZGZ/FN7J1OUIRW23ZGZ.SMALL.jpg The Oakland Toy Lab Water, of course, is a big part of many great things: you, milkshakes, and water parks to name a few. Even though the ubiquitous liquid is transparent, there's more to see inside. While some molecular bonds last a lifetime, we can break these ones apart with a battery and some thumbtacks in a couple...
By: The Oakland Toy Lab

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Mon, 15 Aug 2016 09:04:02 PDT
Modeling a Distillation Tower in HYSYS http://www.instructables.com/id/Modeling-a-Distillation-Tower-in-HYSYS/
Modeling a Distillation Tower in HYSYS - More DIY How To Projects]]> https://cdn.instructables.com/FGW/13KP/HLZRID5L/FGW13KPHLZRID5L.SQUARE2.jpg https://cdn.instructables.com/FGW/13KP/HLZRID5L/FGW13KPHLZRID5L.SQUARE.jpg https://cdn.instructables.com/FGW/13KP/HLZRID5L/FGW13KPHLZRID5L.SMALL.jpg pbrugger This instructable will guide you, step-by-step, through modeling an elementary distillation tower using the HYSYS software. Using HYSYS can drastically reduce the amount of time spent doing distillation tower calculations by hand. While it may take 1-2 hours to fully complete and understand the mode...
By: pbrugger

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Thu, 26 Sep 2013 13:45:25 PDT
Magnetic Stirrer w/ Hotplate for <$30 http://www.instructables.com/id/Magnetic-Stirrer-w-Hotplate-for-30/
Magnetic Stirrer w/ Hotplate for <$30 - More DIY How To Projects]]> https://cdn.instructables.com/FXC/35IT/FABDYSR0/FXC35ITFABDYSR0.SQUARE2.jpg https://cdn.instructables.com/FXC/35IT/FABDYSR0/FXC35ITFABDYSR0.SQUARE.jpg https://cdn.instructables.com/FXC/35IT/FABDYSR0/FXC35ITFABDYSR0.SMALL.jpg icinnamon A magnetic stirrer with a hotplate allows you to mix and heat solutions with ease. These are commonly used in chemistry classrooms and cost upwards of $160! But I'll show you how to build one for less than $30. The Parts These are the required parts:Thermoelectric Cooler ($14.75)Power Supply (...
By: icinnamon

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Thu, 20 Dec 2007 02:40:35 PST
Simple Homopolar Motor http://www.instructables.com/id/Simple-Homopolar-Motor/
Simple Homopolar Motor - More DIY How To Projects]]> https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SQUARE2.jpg https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SQUARE.jpg https://cdn.instructables.com/FWL/GT4S/IRO1HDQN/FWLGT4SIRO1HDQN.SMALL.jpg YuKonstruct The first homopolar motor was demonstrated by Michael Faraday in 1821. He was experimenting with magnetism and electricity when he discovered the first circular force then known in nature.This simple motor is a great beginner project for young makers!YuKonstruct is the first makerspace in Canada's n...
By: YuKonstruct

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Wed, 10 Aug 2016 12:04:01 PDT
Easy Carbon Electrode http://www.instructables.com/id/Easy-Carbon-Electrode/
Easy Carbon Electrode - More DIY How To Projects]]> https://cdn.instructables.com/FWK/B04P/FV40B29Z/FWKB04PFV40B29Z.SQUARE2.jpg https://cdn.instructables.com/FWK/B04P/FV40B29Z/FWKB04PFV40B29Z.SQUARE.jpg https://cdn.instructables.com/FWK/B04P/FV40B29Z/FWKB04PFV40B29Z.SMALL.jpg egbertfitzwilly Many alternative energy projects such as metal oxide batteries and microbial fuel cells call for a carbon electrode. The phrase alone is enough to stop most people dead in their tracks.This instructable shows how to make a very efficient, production grade carbon electrode for use in a variety of alt...
By: egbertfitzwilly

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Mon, 25 May 2009 14:12:09 PDT
SaturnV Vacuum Rocket Launcher http://www.instructables.com/id/SaturnV-Vacuum-Rocket-Launcher/
SaturnV Vacuum Rocket Launcher - More DIY How To Projects]]> https://cdn.instructables.com/F5Q/46FE/IRLQG4GF/F5Q46FEIRLQG4GF.SQUARE2.jpg https://cdn.instructables.com/F5Q/46FE/IRLQG4GF/F5Q46FEIRLQG4GF.SQUARE.jpg https://cdn.instructables.com/F5Q/46FE/IRLQG4GF/F5Q46FEIRLQG4GF.SMALL.jpg KronBjorn This project uses vacuum to try and launch a model of the Saturn V rocket into space !It is is quite impressive to watch the forces involved, and guaranteed to impress anyone regardless of age. Firing one of these vacuum rockets, is an excellent way of understanding just how much one atmosphere of p...
By: KronBjorn

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Mon, 8 Aug 2016 12:45:27 PDT
How to perform Interference and Diffraction at Home? http://www.instructables.com/id/How-to-perform-Interference-and-Diffranction-at-Ho/
How to perform Interference and Diffraction at Home? - More DIY How To Projects]]> https://cdn.instructables.com/FVV/LPD7/H4AGM5CE/FVVLPD7H4AGM5CE.SQUARE2.jpg https://cdn.instructables.com/FVV/LPD7/H4AGM5CE/FVVLPD7H4AGM5CE.SQUARE.jpg https://cdn.instructables.com/FVV/LPD7/H4AGM5CE/FVVLPD7H4AGM5CE.SMALL.jpg direcac When I first learned about interference of light waves, I was feeling dizzy! And when I read about diffraction of light then I nearly fainted. Say why? Because in my whole life and even around us, we have never seen interference and diffraction. And kids and youths especially find a hard time ti ima...
By: direcac

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Thu, 19 Jul 2012 19:03:19 PDT
Dry Cell Electrolyser http://www.instructables.com/id/Dry-Cell-Electrolyser/
Dry Cell Electrolyser - More DIY How To Projects]]> https://cdn.instructables.com/FUC/CODP/H52FXCNI/FUCCODPH52FXCNI.SQUARE2.jpg https://cdn.instructables.com/FUC/CODP/H52FXCNI/FUCCODPH52FXCNI.SQUARE.jpg https://cdn.instructables.com/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

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Sun, 19 Aug 2012 06:48:57 PDT
Wireless All Sky Camera http://www.instructables.com/id/Wireless-All-Sky-Camera/
Wireless All Sky Camera - More DIY How To Projects]]> https://cdn.instructables.com/FAX/Y3EB/IRGZYF3H/FAXY3EBIRGZYF3H.SQUARE2.jpg https://cdn.instructables.com/FAX/Y3EB/IRGZYF3H/FAXY3EBIRGZYF3H.SQUARE.jpg https://cdn.instructables.com/FAX/Y3EB/IRGZYF3H/FAXY3EBIRGZYF3H.SMALL.jpg ThomasJ1 An all sky camera is a device designed to take pictures of the entire sky over a certain amount of time, usually to monitor meteor showers or other astronomical phenomena.I built mine to monitor the northern lights. I live in the Yukon and we sometimes get beautiful aurora displays during the night....
By: ThomasJ1

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Thu, 4 Aug 2016 22:24:03 PDT
plastic bottle desalination http://www.instructables.com/id/plastic-bottle-desalination/
plastic bottle desalination - More DIY How To Projects]]> https://cdn.instructables.com/F2Z/ZU2G/FPQL8HCV/F2ZZU2GFPQL8HCV.SQUARE2.jpg https://cdn.instructables.com/F2Z/ZU2G/FPQL8HCV/F2ZZU2GFPQL8HCV.SQUARE.jpg https://cdn.instructables.com/F2Z/ZU2G/FPQL8HCV/F2ZZU2GFPQL8HCV.SMALL.jpg lemminggenocide EDIT: In light of recent information " There's always a 'GOTCH' to a good idea isn't there.... With this system (and all systems that use plastics as evap-chambers/collectors) is that the plastic should be UV stable and BISPHONOL free. Most plastics used in the drinks industries are not made for p...
By: lemminggenocide

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Fri, 9 Jan 2009 17:38:19 PST
HOWTO: Compression Connectors http://www.instructables.com/id/HOWTO-Compression-Connectors/
HOWTO: Compression Connectors - More DIY How To Projects]]> https://cdn.instructables.com/FZ9/WLSQ/FCZE7R8M/FZ9WLSQFCZE7R8M.SQUARE2.jpg https://cdn.instructables.com/FZ9/WLSQ/FCZE7R8M/FZ9WLSQFCZE7R8M.SQUARE.jpg https://cdn.instructables.com/FZ9/WLSQ/FCZE7R8M/FZ9WLSQFCZE7R8M.SMALL.jpg computerwiz_222 If you know anything about satellite, cable or antenna installations, you know about F connectors and how much of a pain they can be to crimp. Recently, a new type of connector has become popular. They are called compression connectors. The connectors are relatively cheap, but the tool used to crimp...
By: computerwiz_222

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Sat, 23 Feb 2008 18:44:26 PST
Magnetic Stirrer http://www.instructables.com/id/Magnetic-Stirrer/
Magnetic Stirrer - More DIY How To Projects]]> https://cdn.instructables.com/FOC/MUYL/KQWERXTRU4T/FOCMUYLKQWERXTRU4T.SQUARE2.jpg https://cdn.instructables.com/FOC/MUYL/KQWERXTRU4T/FOCMUYLKQWERXTRU4T.SQUARE.jpg https://cdn.instructables.com/FOC/MUYL/KQWERXTRU4T/FOCMUYLKQWERXTRU4T.SMALL.jpg g0pher This instructable shows us how to make a magnetic stirrer, that can be used in your home lab, from the following items: An old 3" PC fan A dead hardrive A 12v ac adaptor A paperclip Tools: Hotglue gun Screwdriver Superglue Misc Items depending on your taste for getting things done :) Read on, an...
By: g0pher

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Sun, 10 Sep 2006 19:40:41 PDT
Make Rochelle salt http://www.instructables.com/id/Make-Rochelle-Salt/
Make Rochelle salt - More DIY How To Projects]]> https://cdn.instructables.com/FX5/M35P/IRXT2SDY/FX5M35PIRXT2SDY.SQUARE2.jpg https://cdn.instructables.com/FX5/M35P/IRXT2SDY/FX5M35PIRXT2SDY.SQUARE.jpg https://cdn.instructables.com/FX5/M35P/IRXT2SDY/FX5M35PIRXT2SDY.SMALL.jpg MakerIan Rochelle salt is a fascinating easy to grow crystal that exhibits piezoelectric and ferroelectric effects. This instructable will walk you through making your own Rochelle salt from baking soda and cream of tartar. And also show you how to clean your cream of tartar which probably includes some cor...
By: MakerIan

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Sat, 30 Jul 2016 13:23:53 PDT
Automating Eagle export and preparing it for printing. http://www.instructables.com/id/Automating-Eagle-export-and-preparing-for-printing/
Automating Eagle export and preparing it for printing. - More DIY How To Projects]]> https://cdn.instructables.com/FSR/M4TH/FTY4CB0B/FSRM4THFTY4CB0B.SQUARE2.jpg https://cdn.instructables.com/FSR/M4TH/FTY4CB0B/FSRM4THFTY4CB0B.SQUARE.jpg https://cdn.instructables.com/FSR/M4TH/FTY4CB0B/FSRM4THFTY4CB0B.SMALL.jpg truhlik_fredy This is my first instructable and English isn't my primary language so I hope it will be not so bad. There are many instructables for creating boards in Eagle and etching them trough many methods. But this instructable should be just for much faster and automated preparing images of board for printi...
By: truhlik_fredy

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Sat, 25 Apr 2009 14:44:42 PDT
Be a scientist: make your own force meter. http://www.instructables.com/id/Be-a-scientist%3a-make-your-own-force-meter./
Be a scientist: make your own force meter. - More DIY How To Projects]]> https://cdn.instructables.com/F0J/EDR1/F4E8640I/F0JEDR1F4E8640I.SQUARE2.jpg https://cdn.instructables.com/F0J/EDR1/F4E8640I/F0JEDR1F4E8640I.SQUARE.jpg https://cdn.instructables.com/F0J/EDR1/F4E8640I/F0JEDR1F4E8640I.SMALL.jpg Kiteman Forces are the pushes and pulls of our universe. This neat little device can be built for almost nothing (I used plumbing off-cuts), but will let you measure pushes and pulls around you, as well as doing experiments with different-sized forces.It is perfect for kids still at school as well; it can ...
By: Kiteman

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Sat, 21 Jul 2007 15:50:39 PDT
Electrolysis http://www.instructables.com/id/Electrolysis/
Electrolysis - More DIY How To Projects]]> https://cdn.instructables.com/F54/SA0A/F3SYP2OV/F54SA0AF3SYP2OV.SQUARE2.jpg https://cdn.instructables.com/F54/SA0A/F3SYP2OV/F54SA0AF3SYP2OV.SQUARE.jpg https://cdn.instructables.com/F54/SA0A/F3SYP2OV/F54SA0AF3SYP2OV.SMALL.jpg Riley C Electrolysis is the decomposition of hydrogen and oxygen in water. In other words you break apart the molecules that make up water to restore the elements to their original state. In this case both hydrogen and oxygen exist in a gaseous state. In order to perform electrolysis you must run an elect...
By: Riley C

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Mon, 9 Jul 2007 14:04:52 PDT
The ZVS driver http://www.instructables.com/id/The-ZVS-driver/
The ZVS driver - More DIY How To Projects]]> https://cdn.instructables.com/FSW/2MIC/GNBEVVKF/FSW2MICGNBEVVKF.SQUARE2.jpg https://cdn.instructables.com/FSW/2MIC/GNBEVVKF/FSW2MICGNBEVVKF.SQUARE.jpg https://cdn.instructables.com/FSW/2MIC/GNBEVVKF/FSW2MICGNBEVVKF.SMALL.jpg theVader75 Everybody who is interested in high voltage herd about  the zvs driver for the flyback transformer. Parts: 2x IRFP250 n-fet 2x 12v zenner diodes 2x 470ohm resistors 2x 10kohm resistors 2x 400v fast diodes 1x inductor 200uH 1x 250v capacitor 0.68uF or higher Assembly Mount mosfets on a large heat...
By: theVader75

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Thu, 12 May 2011 11:08:17 PDT
Simple and Durable Hydroxy Gas Generator http://www.instructables.com/id/Simple-and-Durable-Hydroxy-Gas-Generator/
Simple and Durable Hydroxy Gas Generator - More DIY How To Projects]]> https://cdn.instructables.com/FI6/FG4M/IR6IUHSV/FI6FG4MIR6IUHSV.SQUARE2.jpg https://cdn.instructables.com/FI6/FG4M/IR6IUHSV/FI6FG4MIR6IUHSV.SQUARE.jpg https://cdn.instructables.com/FI6/FG4M/IR6IUHSV/FI6FG4MIR6IUHSV.SMALL.jpg Austin Noble This instructable is a description of how I made my fifth hydroxy gas generator. Hydroxy gas has been an evolving science for me as I have learned what works, and what doesn't, what you need on a generator, and what you really don't, and that you shouldn't ignite a milk jug full of this stuff at 10:...
By: Austin Noble

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Thu, 28 Jul 2016 18:30:40 PDT
Who Needs a Meteorologist? Measure Humidity the Old-School Way, With a Sling Psychrometer! http://www.instructables.com/id/Who-Needs-a-Meteorologist-Measure-Humidity-the-Ol/
Who Needs a Meteorologist? Measure Humidity the Old-School Way, With a Sling Psychrometer! - More DIY How To Projects]]> https://cdn.instructables.com/F5Q/UAV5/G68H8B34/F5QUAV5G68H8B34.SQUARE2.jpg https://cdn.instructables.com/F5Q/UAV5/G68H8B34/F5QUAV5G68H8B34.SQUARE.jpg https://cdn.instructables.com/F5Q/UAV5/G68H8B34/F5QUAV5G68H8B34.SMALL.jpg nrromsey For some reason you just don’t trust them. Maybe it was all of the years of good weather turning to floods, or perhaps the “no more than three inches of snow” that turned into twenty inches. Maybe it’s the technology they use, or the tie they wear every night in the broadcast. It could even be that ...
By: nrromsey

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Mon, 1 Mar 2010 21:45:17 PST
DIY Spectroscope http://www.instructables.com/id/DIY-Spectroscope/
DIY Spectroscope - More DIY How To Projects]]> https://cdn.instructables.com/FOY/ASRZ/FHTOF5GD/FOYASRZFHTOF5GD.SQUARE2.jpg https://cdn.instructables.com/FOY/ASRZ/FHTOF5GD/FOYASRZFHTOF5GD.SQUARE.jpg https://cdn.instructables.com/FOY/ASRZ/FHTOF5GD/FOYASRZFHTOF5GD.SMALL.jpg crowndelorean A spectroscope is an instrument used to break light up into its constituent colors, just like a prism does, showing the light spectrum. Save money with this DIY physics project, by making authentic scientific tools with recycled materials. Required materials: Now you can see the world i...
By: crowndelorean

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Tue, 24 Jun 2008 23:20:27 PDT
Make your own simple "shaky" generator to light an LED http://www.instructables.com/id/Make-your-own-simple-shaky-generator-to-light-an/
Make your own simple "shaky" generator to light an LED - More DIY How To Projects]]> https://cdn.instructables.com/FSO/DIZX/GTKFPXVR/FSODIZXGTKFPXVR.SQUARE2.jpg https://cdn.instructables.com/FSO/DIZX/GTKFPXVR/FSODIZXGTKFPXVR.SQUARE.jpg https://cdn.instructables.com/FSO/DIZX/GTKFPXVR/FSODIZXGTKFPXVR.SMALL.jpg Deeg The Instructable will show you how to make a very simple electric generator that can light up an LED when you shake it back and forth.  It's a simple experiment that demonstrates how an electric generator works.  The generator made here can not store energy so the LED is lit only while shaking it. ...
By: Deeg

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Sun, 26 Feb 2012 23:08:01 PST
Amaze A Science Class with Elephant Toothpaste http://www.instructables.com/id/Elephant-Toothpaste-Chemistry/
Amaze A Science Class with Elephant Toothpaste - More DIY How To Projects]]> https://cdn.instructables.com/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SQUARE2.jpg https://cdn.instructables.com/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SQUARE.jpg https://cdn.instructables.com/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SMALL.jpg kentchemistry.com This experiment shows the decomposition of hydrogen peroxide catalyzed by potassium iodide. The reaction is done in a tall graduated cylinder so that the foamy product shoots out very quickly in a tall cylindrical shape; hence, the name elephant toothpaste. Materials: tall graduated cylinder (at le...
By: kentchemistry.com

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Thu, 24 Jan 2008 18:46:25 PST
Fireproof Carbon Foam from Pyrolysed Bread http://www.instructables.com/id/Fireproof-Carbon-Foam-From-Pyrolysed-Bread/
Fireproof Carbon Foam from Pyrolysed Bread - More DIY How To Projects]]> https://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SQUARE2.jpg https://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SQUARE.jpg https://cdn.instructables.com/F0M/IYKP/IQSABE8C/F0MIYKPIQSABE8C.SMALL.gif arduinoversusevil Carbon foam has some very useful properties: It is an excellent thermal insulator.The fact that it's made from bread adds "much wow!" to a very simple process.You could conceivably cover you space rocket in these ablative tiles for re-entry. Because Science! NASA! Outer-space! Clickbait! Weld a st...
By: arduinoversusevil

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Mon, 18 Jul 2016 15:01:52 PDT
egg drop experement http://www.instructables.com/id/egg-drop-experement/
egg drop experement - More DIY How To Projects]]> https://cdn.instructables.com/F2Y/WW1V/1D4EZBF8QHD/F2YWW1V1D4EZBF8QHD.SQUARE2.jpg https://cdn.instructables.com/F2Y/WW1V/1D4EZBF8QHD/F2YWW1V1D4EZBF8QHD.SQUARE.jpg https://cdn.instructables.com/F2Y/WW1V/1D4EZBF8QHD/F2YWW1V1D4EZBF8QHD.SMALL.jpg instructa-fan around the 5th, 6th or 7th grade you do an egg drop experiment in your science class or just a school function. This is a sure fire winner for the experiment! what you'll need for this experiment: knife/scissors tape egg two plastic bags empty soda can supplies what you'll need for this experim...
By: instructa-fan

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Sat, 17 Mar 2007 13:55:09 PDT
Scout Project: How to make a Morse Code Oscillator/ Telegraph Machine http://www.instructables.com/id/Scout-project-Morse-Code-Oscillator-Telegraph/
Scout Project: How to make a Morse Code Oscillator/ Telegraph Machine - More DIY How To Projects]]> https://cdn.instructables.com/FGU/W4OK/G50U5MBA/FGUW4OKG50U5MBA.SQUARE2.jpg https://cdn.instructables.com/FGU/W4OK/G50U5MBA/FGUW4OKG50U5MBA.SQUARE.jpg https://cdn.instructables.com/FGU/W4OK/G50U5MBA/FGUW4OKG50U5MBA.SMALL.jpg Biggsy I have written this Instructable, so that you can see how to construct the above from wood scraps Instead of Cardboard (funnily enough, Card is my usual I'ble medium... go and look at my other I'bles, It does also tie in with my I'ble for treating burns with aloe vera) It is also here to explain a l...
By: Biggsy

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Fri, 29 Jan 2010 17:25:02 PST
.50 cal Coil Gun http://www.instructables.com/id/50-cal-Coil-Gun/
.50 cal Coil Gun - More DIY How To Projects]]> https://cdn.instructables.com/FE7/6V23/GJ7MLXTI/FE76V23GJ7MLXTI.SQUARE2.jpg https://cdn.instructables.com/FE7/6V23/GJ7MLXTI/FE76V23GJ7MLXTI.SQUARE.jpg https://cdn.instructables.com/FE7/6V23/GJ7MLXTI/FE76V23GJ7MLXTI.SMALL.jpg LetsBuildOne After building a small 6mm coil gun I decided it was time to upscale... To a .50cal... Youtube video of it in action. This would mean a dramaticaly larger capacitor bank and equally large solid state switches. Whilst under construction I was approached by a Professor in the Engineering Departm...
By: LetsBuildOne

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Sat, 22 Jan 2011 12:10:19 PST
What Is Sodium Polyacrylate? http://www.instructables.com/id/What-Is-Sodium-Polyacrylate/
What Is Sodium Polyacrylate? - More DIY How To Projects]]> https://cdn.instructables.com/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SQUARE2.jpg https://cdn.instructables.com/FQB/F9ZA/HGH6PKEU/FQBF9ZAHGH6PKEU.SQUARE.jpg https://cdn.instructables.com/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

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Tue, 7 May 2013 09:39:19 PDT
How to make a flashlight from a soda can http://www.instructables.com/id/How-to-make-a-flashlight-from-a-soda-can/
How to make a flashlight from a soda can - More DIY How To Projects]]> https://cdn.instructables.com/F66/RC27/G4PBTCE2/F66RC27G4PBTCE2.SQUARE2.jpg https://cdn.instructables.com/F66/RC27/G4PBTCE2/F66RC27G4PBTCE2.SQUARE.jpg https://cdn.instructables.com/F66/RC27/G4PBTCE2/F66RC27G4PBTCE2.SMALL.jpg pburghmom This instruction shows how to make a flashlight from found objects from your house.  This is fun for kids of all ages. Materials Required 1.  Gather Materials Materials for one flashlight Qty 1, Flashlight bulb (normally 2.2v) Qty 1, Pop or beer Can (minimum 12oz.  A tall 12oz beer can works wel...
By: pburghmom

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Thu, 28 Jan 2010 19:47:47 PST
How to calculate the centroid of a two dimensional shape. http://www.instructables.com/id/How-to-calculate-the-centroid-of-a-two-dimensional/
How to calculate the centroid of a two dimensional shape. - More DIY How To Projects]]> https://cdn.instructables.com/FZI/O7Z9/HTZ3ETJZ/FZIO7Z9HTZ3ETJZ.SQUARE2.jpg https://cdn.instructables.com/FZI/O7Z9/HTZ3ETJZ/FZIO7Z9HTZ3ETJZ.SQUARE.jpg https://cdn.instructables.com/FZI/O7Z9/HTZ3ETJZ/FZIO7Z9HTZ3ETJZ.SMALL.jpg angel7543 This excel sheet will help you find the centroid of an irregular shape Materials Required: Computer with Microsoft Excel Approximate Completion Time: 10 minutes From the desktop screen, open the Microsoft Excel program and save the file to the computer or to another device. Begin by t...
By: angel7543

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Sun, 13 Apr 2014 18:56:51 PDT
(Near) IR Infrared Webcam in 10 minutes for Less than $10 http://www.instructables.com/id/Near-Infrared-Camera-for-Less-than-10-and-10-mi/
(Near) IR Infrared Webcam in 10 minutes for Less than $10 - More DIY How To Projects]]> https://cdn.instructables.com/FB1/EJDX/GMX1SI7M/FB1EJDXGMX1SI7M.SQUARE2.jpg https://cdn.instructables.com/FB1/EJDX/GMX1SI7M/FB1EJDXGMX1SI7M.SQUARE.jpg https://cdn.instructables.com/FB1/EJDX/GMX1SI7M/FB1EJDXGMX1SI7M.SMALL.jpg menk There are several general tutorials on the web for making (near) infrared cameras, but you might get lost picking a webcam and the directions you found might be different for your webcam. So, here are specific directions for a specific webcam with three priorities in mind: It's fast, it's cheap, it ...
By: menk

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Mon, 2 May 2011 23:16:49 PDT
How to make an alcohol lamp for home microbiology use http://www.instructables.com/id/How-to-make-an-alcohol-lamp-for-home-microbiology-/
How to make an alcohol lamp for home microbiology use - More DIY How To Projects]]> https://cdn.instructables.com/FXQ/7QHB/HFD1DZ49/FXQ7QHBHFD1DZ49.SQUARE2.jpg https://cdn.instructables.com/FXQ/7QHB/HFD1DZ49/FXQ7QHBHFD1DZ49.SQUARE.jpg https://cdn.instructables.com/FXQ/7QHB/HFD1DZ49/FXQ7QHBHFD1DZ49.SMALL.jpg NonDisjunction This Instructable will cover the steps necessary to safely make an alcohol lamp from easily obtainable materials.  It can be used to create a sterile space for microbiological experimentation at home, e.g. to culture yeast from a bottle of unfiltered/unpasteurized beer.   I made it at TechShop (tec...
By: NonDisjunction

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Mon, 15 Apr 2013 21:06:51 PDT
cool buckyball shapes http://www.instructables.com/id/cool-buckyball-shapes/
cool buckyball shapes - More DIY How To Projects]]> https://cdn.instructables.com/F4X/JPX7/H174GNNV/F4XJPX7H174GNNV.SQUARE2.jpg https://cdn.instructables.com/F4X/JPX7/H174GNNV/F4XJPX7H174GNNV.SQUARE.jpg https://cdn.instructables.com/F4X/JPX7/H174GNNV/F4XJPX7H174GNNV.SMALL.jpg nerd7473 #make a loop of six magnets hexagon make a hexagon# the hot pocket connect the sides as shown# the triangle ''cup'' shape bend the sides as shown# the hollow triangle bend the sides as shown#
By: nerd7473

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Mon, 30 Apr 2012 17:40:02 PDT
Highly sensitive Arduino light sensor http://www.instructables.com/id/Highly-sensitive-Arduino-light-sensor/
Highly sensitive Arduino light sensor - More DIY How To Projects]]> https://cdn.instructables.com/F0M/2W34/HPLWZGTO/F0M2W34HPLWZGTO.SQUARE2.jpg https://cdn.instructables.com/F0M/2W34/HPLWZGTO/F0M2W34HPLWZGTO.SQUARE.jpg https://cdn.instructables.com/F0M/2W34/HPLWZGTO/F0M2W34HPLWZGTO.SMALL.jpg Patrik In the Bioluminescence Community Project at BioCurious, we've been working with a number of bioluminescent bacteria and algae. We'd love to be able to measure accurately how much light these organisms produce. Unfortunately, the amount of light they produce is quite faint, and although the human eye...
By: Patrik

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Mon, 16 Dec 2013 23:55:33 PST
How to Make Sodium Nitrate, A Potassium Nitrate Substitute http://www.instructables.com/id/How-to-Make-Sodium-Nitrate-A-Potassium-Nitrate-Su/
How to Make Sodium Nitrate, A Potassium Nitrate Substitute - More DIY How To Projects]]> https://cdn.instructables.com/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SQUARE2.jpg https://cdn.instructables.com/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SQUARE.jpg https://cdn.instructables.com/FWQ/4TJK/FT7PVR43/FWQ4TJKFT7PVR43.SMALL.jpg NurdRage How to make sodium nitrate, which can substitute for potassium nitrate for most purposes.Note: Sodium Nitrate is somewhat hygroscopic. Stuff you make from it such as pyrotechnic compositions should be used soon after making and not stored for extended periods of time.WARNING: Both procedures produce...
By: NurdRage

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Tue, 14 Apr 2009 10:46:23 PDT
How to Build a Real Working "Brain Ray" (Transcranial Magnetic Stimulation Demo) http://www.instructables.com/id/How-to-Build-a-Real-Working-Brain-Ray-Transcran/
How to Build a Real Working "Brain Ray" (Transcranial Magnetic Stimulation Demo) - More DIY How To Projects]]> https://cdn.instructables.com/F4L/8ZXT/H8RK8JKN/F4L8ZXTH8RK8JKN.SQUARE2.jpg https://cdn.instructables.com/F4L/8ZXT/H8RK8JKN/F4L8ZXTH8RK8JKN.SQUARE.jpg https://cdn.instructables.com/F4L/8ZXT/H8RK8JKN/F4L8ZXTH8RK8JKN.SMALL.jpg TheHomebrewGuru Transcranial Magnetic Stimulation is a method for stimulating brain tissue, and in recent years there has been much research on this method as a replacement for Electroconvulsive (Shock) Therapy to combat mental disorders such as depression. Trans-cranial Magnetic Stimulation is a safer non-invasive...
By: TheHomebrewGuru

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Sat, 27 Oct 2012 18:39:45 PDT
Mini Solar Car http://www.instructables.com/id/Mini-Solar-Car/
Mini Solar Car - More DIY How To Projects]]> https://cdn.instructables.com/FOH/1SQR/FTM73SEK/FOH1SQRFTM73SEK.SQUARE2.jpg https://cdn.instructables.com/FOH/1SQR/FTM73SEK/FOH1SQRFTM73SEK.SQUARE.jpg https://cdn.instructables.com/FOH/1SQR/FTM73SEK/FOH1SQRFTM73SEK.SMALL.jpg niranj_1994 Solar Power begins its journey 1,000,000 years ago at the heat of the sun where matter is being to energy at a sub-atomic level. The Sun's energy reaches the surface of the Earth with a power of one kilowatt per square metre(1.1 horsepower per square yard). Parts needed 1.Coroplast frame...
By: niranj_1994

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Sun, 12 Apr 2009 11:27:53 PDT
TRIPLE YOUR SOLAR ARRAY'S OUTPUT! http://www.instructables.com/id/TRIPLE-YOUR-SOLAR-ARRAYS-OUTPUT/
TRIPLE YOUR SOLAR ARRAY'S OUTPUT! - More DIY How To Projects]]> https://cdn.instructables.com/F66/NIHH/IPFRIP5X/F66NIHHIPFRIP5X.SQUARE2.jpg https://cdn.instructables.com/F66/NIHH/IPFRIP5X/F66NIHHIPFRIP5X.SQUARE.jpg https://cdn.instructables.com/F66/NIHH/IPFRIP5X/F66NIHHIPFRIP5X.SMALL.jpg DrewPaulDesigns Solar panels are cheap, and due to improvements in manufacturing, economies of scale and other factors, they are getting even cheaper. But, that leaves most of us with the problem of where to put them. While solar panels are easy to come by, land and roof space to put them on is not. If fact, it is ...
By: DrewPaulDesigns

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Wed, 15 Jun 2016 00:25:15 PDT
Building the GEK Gasifier in seven parts http://www.instructables.com/id/Building-the-GEK-Gasifier-in-seven-parts/
Building the GEK Gasifier in seven parts - More DIY How To Projects]]> https://cdn.instructables.com/FOL/ZZXR/FP8NMG4K/FOLZZXRFP8NMG4K.SQUARE2.jpg https://cdn.instructables.com/FOL/ZZXR/FP8NMG4K/FOLZZXRFP8NMG4K.SQUARE.jpg https://cdn.instructables.com/FOL/ZZXR/FP8NMG4K/FOLZZXRFP8NMG4K.SMALL.jpg jimmason This project is part of a series of instructables from ALL Power Labs showing how to create a Honda Accord that runs on wood gas. This project is entered in the Craftsman contest, if you like this project I hope you will consider voting for it. Just click the "Honda Accord" link above to go to the ...
By: jimmason

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Sun, 4 Jan 2009 23:47:31 PST
How to Graph http://www.instructables.com/id/How-to-Graph-1/
How to Graph - More DIY How To Projects]]> https://cdn.instructables.com/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SQUARE2.jpg https://cdn.instructables.com/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SQUARE.jpg https://cdn.instructables.com/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SMALL.jpg tricky dick Greetings Instructable lovers and learners alike. I have always loved Instructables, using many myself, and now I have one to give. This instructable was one on the Burning Questions 6 and I thought this would be a good way for me to start. Now, who is ready to learn form a high school/ college stu...
By: tricky dick

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Tue, 17 Feb 2009 13:33:28 PST
Bike Wheel Gyroscope http://www.instructables.com/id/Bike-Wheel-Gyroscope/
Bike Wheel Gyroscope - More DIY How To Projects]]> https://cdn.instructables.com/FM5/46T6/IG3WTYXS/FM546T6IG3WTYXS.SQUARE2.jpg https://cdn.instructables.com/FM5/46T6/IG3WTYXS/FM546T6IG3WTYXS.SQUARE.jpg https://cdn.instructables.com/FM5/46T6/IG3WTYXS/FM546T6IG3WTYXS.SMALL.jpg The Oakland Toy Lab Why is it so much harder to stay up on a stationary bicycle? Why don't Segway tours always fall flat on their faces? How do smartypantsphones know when they're face up? The answers are wheely similar, and all lie in the realm of angular momentum and gyroscopes. They keep spinning things in check. Br...
By: The Oakland Toy Lab

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Fri, 23 Oct 2015 14:12:25 PDT
Chemical Reaction between Potassium Permanganate and Citric Acid http://www.instructables.com/id/Chemical-Reaction-between-Potassium-Permanganate-a/
Chemical Reaction between Potassium Permanganate and Citric Acid - More DIY How To Projects]]> https://cdn.instructables.com/FRK/THJ5/HQI7SC19/FRKTHJ5HQI7SC19.SQUARE2.jpg https://cdn.instructables.com/FRK/THJ5/HQI7SC19/FRKTHJ5HQI7SC19.SQUARE.jpg https://cdn.instructables.com/FRK/THJ5/HQI7SC19/FRKTHJ5HQI7SC19.SMALL.jpg azharz Image courtesy: 23b-cthruchemistry.blogspot.com Hello friends, I am back with my 9th instructable. This time I am playing with chemicals. We are going to do a reaction with Potassium Permanganate and Citric Acid. The reaction will be hydrolysis reaction because salt (Potassium Permanganate) and Wat...
By: azharz

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Tue, 14 Jan 2014 08:26:55 PST
Kelvin's Thunderstorm - Create lightning from water and gravity! http://www.instructables.com/id/Kelvin-s-Thunderstorm---Create-lightning-from-wate/
Kelvin's Thunderstorm - Create lightning from water and gravity! - More DIY How To Projects]]> https://cdn.instructables.com/FOR/TN5M/F5Y3TLMH/FORTN5MF5Y3TLMH.SQUARE2.jpg https://cdn.instructables.com/FOR/TN5M/F5Y3TLMH/FORTN5MF5Y3TLMH.SQUARE.jpg https://cdn.instructables.com/FOR/TN5M/F5Y3TLMH/FORTN5MF5Y3TLMH.SMALL.jpg NK5 Did you know that you could recreate thunderstorm lightning in your own home?It's possible and is really easy to do. Granted, it's not nearly as exciting as a good old fashion thunderstorm, but the effect is still pretty cool and this lightning won't kill you!The scientific name for this experiment ...
By: NK5

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Fri, 31 Aug 2007 10:34:32 PDT
Building and Running a Homemade Agarose Gel Electrophoresis http://www.instructables.com/id/Building-and-Running-a-Homemade-Agarose-Gel-Electr/
Building and Running a Homemade Agarose Gel Electrophoresis - More DIY How To Projects]]> https://cdn.instructables.com/FT5/0KMT/IEGXUMYA/FT50KMTIEGXUMYA.SQUARE2.jpg https://cdn.instructables.com/FT5/0KMT/IEGXUMYA/FT50KMTIEGXUMYA.SQUARE.jpg https://cdn.instructables.com/FT5/0KMT/IEGXUMYA/FT50KMTIEGXUMYA.SMALL.jpg Caylee_Collins IntroductionA gel electrophoresis is a tool utilized by molecular geneticists to separate and view different parts of macromolecules such as DNA, RNA, or proteins. This technique works because most macromolecules are negatively charged. When they are placed in the gel wells on the negative end of th...
By: Caylee_Collins

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Sun, 13 Sep 2015 06:45:34 PDT
Make a Pulse jet engine, (Scanned from 1958 plans) http://www.instructables.com/id/Make-a-Pulse-jet-engine-Scanned-from-1958-plans/
Make a Pulse jet engine, (Scanned from 1958 plans) - More DIY How To Projects]]> https://cdn.instructables.com/FXG/FOWO/G2HDZQSA/FXGFOWOG2HDZQSA.SQUARE2.jpg https://cdn.instructables.com/FXG/FOWO/G2HDZQSA/FXGFOWOG2HDZQSA.SQUARE.jpg https://cdn.instructables.com/FXG/FOWO/G2HDZQSA/FXGFOWOG2HDZQSA.SMALL.jpg Karroo Oakey  Making A Pulse Jet Engine  It powers a scale model MiG 15 fighter at 85mph. This is a powerful jet unit and one which can be made by anyone with access to lathe and welding facilities. Emil Brauner of Kladno in Czechoslovkia is a model maker who was forced by circumstance to make his own jet engine...
By: Karroo Oakey

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Wed, 2 Dec 2009 21:19:48 PST
Paper Plate Speaker http://www.instructables.com/id/Paper-Plate-Speaker/
Paper Plate Speaker - More DIY How To Projects]]> https://cdn.instructables.com/F0T/GHCC/G0KQC887/F0TGHCCG0KQC887.SQUARE2.jpg https://cdn.instructables.com/F0T/GHCC/G0KQC887/F0TGHCCG0KQC887.SQUARE.jpg https://cdn.instructables.com/F0T/GHCC/G0KQC887/F0TGHCCG0KQC887.SMALL.jpg wcameron Hello, this instructable will take you through the fun and easy process of making an audio speaker out of a paper plate. The IEEE (Institute of Electronic and Electrical Engineers) club at Iowa State University uses this project for a demonstration at local middle schools and is also a great project...
By: wcameron

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Tue, 13 Oct 2009 06:15:16 PDT
Free Energy from Thin Air! http://www.instructables.com/id/Free-Energy-From-Thin-Air/
Free Energy from Thin Air! - More DIY How To Projects]]> https://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE2.jpg https://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SQUARE.jpg https://cdn.instructables.com/FNN/C7P1/IOKBVZ5C/FNNC7P1IOKBVZ5C.SMALL.jpg DrewPaulDesigns "Free energy from the air?, Yea, right!" Sardonic skepticism was my first reaction to this unusual concept, as well.Though, its not so far out there, in fact. Light can be converted to DC current with solar panels, electricity can be converted to magnetism as I did in my last article, in a microphon...
By: DrewPaulDesigns

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Tue, 24 May 2016 03:21:51 PDT