Instructables: exploring - technology - science - featured http://www.instructables.com Fri, 20 Jan 2017 07:09:16 PST BLOX v1.01 Arduino in the Classroom - a Simple Experiment in Measuring and Modeling Water Pollution http://www.instructables.com/id/Arduino-in-the-Classroom-a-Simple-Experiment-in-Me/
Arduino in the Classroom - a Simple Experiment in Measuring and Modeling Water Pollution - More DIY How To Projects]]> https://cdn.instructables.com/FMG/9DST/IXUQDYTA/FMG9DSTIXUQDYTA.SQUARE2.jpg https://cdn.instructables.com/FMG/9DST/IXUQDYTA/FMG9DSTIXUQDYTA.SQUARE.jpg https://cdn.instructables.com/FMG/9DST/IXUQDYTA/FMG9DSTIXUQDYTA.SMALL.jpg john_pelesko One thing I find exciting about the Arduino and other readily-available microcontrollers is the potential for use in the classroom. In this Instructable, I'll share a simple Arduino-based project that allows students (or anyone!) to study a toy-system that models the flow of pollution in a connected...
By: john_pelesko

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Sun, 15 Jan 2017 18:57:11 PST
Egg Landing Machine http://www.instructables.com/id/Egg-Landing-Machine/
Egg Landing Machine - More DIY How To Projects]]> https://cdn.instructables.com/FWP/9IRM/IVO5M2I6/FWP9IRMIVO5M2I6.SQUARE2.jpg https://cdn.instructables.com/FWP/9IRM/IVO5M2I6/FWP9IRMIVO5M2I6.SQUARE.jpg https://cdn.instructables.com/FWP/9IRM/IVO5M2I6/FWP9IRMIVO5M2I6.SMALL.jpg tharindusuraj Currently there are many challenges around the world about dropping an egg safely from a desired height. Not only for fun, but as scientific experiments many university students are trying to achieve this task for their physics lessons. We can find many designs on the internet, but most of them are ...
By: tharindusuraj

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Sun, 27 Nov 2016 08:42:14 PST
Inflatable lungs http://www.instructables.com/id/Inflatable-Lungs/
Inflatable lungs - More DIY How To Projects]]> https://cdn.instructables.com/FNO/N5WF/IXQG1FA2/FNON5WFIXQG1FA2.SQUARE2.jpg https://cdn.instructables.com/FNO/N5WF/IXQG1FA2/FNON5WFIXQG1FA2.SQUARE.jpg https://cdn.instructables.com/FNO/N5WF/IXQG1FA2/FNON5WFIXQG1FA2.SMALL.jpg rakesh10051998 Hii i,m rakesh in kaggalipura nook i,m showing how to work over lungs you try the project follow the step for using home materials materialsstiff plastic bottlesmall 2 balloons and big 1 balloons2 rubber bandsscissory shape three way joint Take water bottle cut the hard plastic bottle 15-cm from...
By: rakesh10051998

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Wed, 11 Jan 2017 07:04:55 PST
SIMPLE HYDROGEN GENERATOR DIY http://www.instructables.com/id/SIMPLE-HYDROGEN-GENERATOR-DIY/
SIMPLE HYDROGEN GENERATOR DIY - More DIY How To Projects]]> https://cdn.instructables.com/FG5/EEJH/IXQFZGU9/FG5EEJHIXQFZGU9.SQUARE2.jpg https://cdn.instructables.com/FG5/EEJH/IXQFZGU9/FG5EEJHIXQFZGU9.SQUARE.jpg https://cdn.instructables.com/FG5/EEJH/IXQFZGU9/FG5EEJHIXQFZGU9.SMALL.jpg Newphysicist_com Getting hydrogen from water is one of today’s hottest and fastest-evolving areas in the renewable energy world.Lwet's make Hydrogen from Water!1. ElectrolysisElectrolysis is the technical name for using electricity to split water into its constituent elements, hydrogen and oxygen. The splitting of w...
By: Newphysicist_com

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Wed, 11 Jan 2017 06:36:46 PST
Aluminum Vacuum Preparation http://www.instructables.com/id/Aluminum-Vacuum-Preparation/
Aluminum Vacuum Preparation - More DIY How To Projects]]> https://cdn.instructables.com/FSI/NM5E/IXGG5AY4/FSINM5EIXGG5AY4.SQUARE2.jpg https://cdn.instructables.com/FSI/NM5E/IXGG5AY4/FSINM5EIXGG5AY4.SQUARE.jpg https://cdn.instructables.com/FSI/NM5E/IXGG5AY4/FSINM5EIXGG5AY4.SMALL.jpg dreens Are you trying to manufacture complex assemblies for use in ultra high vacuum (UHV)? Are you frustrated by the typical prohibition on using anything other than 304 series stainless steel in your chamber? Switch to cheap, light, highly machinable aluminum now, with confidence that it can be properly ...
By: dreens

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Wed, 4 Jan 2017 14:10:10 PST
Acoustic Tractor Beam http://www.instructables.com/id/Acoustic-Tractor-Beam/
Acoustic Tractor Beam - More DIY How To Projects]]> https://cdn.instructables.com/FG3/PNU3/IXGFRNUE/FG3PNU3IXGFRNUE.SQUARE2.jpg https://cdn.instructables.com/FG3/PNU3/IXGFRNUE/FG3PNU3IXGFRNUE.SQUARE.jpg https://cdn.instructables.com/FG3/PNU3/IXGFRNUE/FG3PNU3IXGFRNUE.SMALL.jpg Asier Marzo Tractor Beams are mysterious waves that can attract particles towards the source. Here, we will show you how to build an Acoustic Tractor Beam with components that can be bought directly on the Internet for less than 75$.With this Instructable you will be able to get in your hands a device that it w...
By: Asier Marzo

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Tue, 3 Jan 2017 07:55:44 PST
Make Green Fire at Home! http://www.instructables.com/id/Make-Green-Fire-at-Home/
Make Green Fire at Home! - More DIY How To Projects]]> https://cdn.instructables.com/FIH/3JKK/IXAQ2WMZ/FIH3JKKIXAQ2WMZ.SQUARE2.jpg https://cdn.instructables.com/FIH/3JKK/IXAQ2WMZ/FIH3JKKIXAQ2WMZ.SQUARE.jpg https://cdn.instructables.com/FIH/3JKK/IXAQ2WMZ/FIH3JKKIXAQ2WMZ.SMALL.jpg CollegeChemistry Today I will show all of the internet how to make Green Fire, or Trimethyl Borate, at home! Gather materials What you'll need: MethanolBoraxHeat resistant container Synthesis Simply add methanol to an amount of borax. In these pictures I added 100mL of methanol to 5g of borax. Lighting
By: CollegeChemistry

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Sat, 31 Dec 2016 17:04:09 PST
Burning Candle, Rising Water Experiment http://www.instructables.com/id/Burning-Candle-Rising-Water-Experiment/
Burning Candle, Rising Water Experiment - More DIY How To Projects]]> https://cdn.instructables.com/FPO/J3XB/IXAPZS7F/FPOJ3XBIXAPZS7F.SQUARE2.jpg https://cdn.instructables.com/FPO/J3XB/IXAPZS7F/FPOJ3XBIXAPZS7F.SQUARE.jpg https://cdn.instructables.com/FPO/J3XB/IXAPZS7F/FPOJ3XBIXAPZS7F.SMALL.jpg mtairymd I saw a short video of this experiment on Reddit and thought it would be an interesting science experiment to try with the kids. Here is our recreation of the experiment: Materials Below is a list of the materials you will need for the experiment.Candle Plate Tall Glass with a slightly larger ...
By: mtairymd

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Sat, 31 Dec 2016 10:33:46 PST
Fitzroy Storm Glass (18th Century Weather Prediction Device) http://www.instructables.com/id/Fitzroy-Storm-Glass-18th-Century-Weather-Predictio/
Fitzroy Storm Glass (18th Century Weather Prediction Device) - More DIY How To Projects]]> https://cdn.instructables.com/F0J/I0LD/IXAPZL9N/F0JI0LDIXAPZL9N.SQUARE2.jpg https://cdn.instructables.com/F0J/I0LD/IXAPZL9N/F0JI0LDIXAPZL9N.SQUARE.jpg https://cdn.instructables.com/F0J/I0LD/IXAPZL9N/F0JI0LDIXAPZL9N.SMALL.jpg NightHawkInLight A storm glass is an 18th century weather prediction device made famous by Admiral Fitzroy, captain of the H.M.S. Beagle. You may recognize that ship name as the same one that Charles Darwin voyaged on. At the same time that Darwin was recording his biological findings, Fitzroy was recording his obse...
By: NightHawkInLight

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Fri, 30 Dec 2016 22:08:08 PST
Solar Inverter http://www.instructables.com/id/Solar-Inverter/
Solar Inverter - More DIY How To Projects]]> https://cdn.instructables.com/FX2/P5BR/IX6FR4HS/FX2P5BRIX6FR4HS.SQUARE2.jpg https://cdn.instructables.com/FX2/P5BR/IX6FR4HS/FX2P5BRIX6FR4HS.SQUARE.jpg https://cdn.instructables.com/FX2/P5BR/IX6FR4HS/FX2P5BRIX6FR4HS.SMALL.jpg sameerg After a long time, finally I made a project which is capable of producing green energy. In short, my project "Solar Inverter" converts the sunlight into the AC voltage by some suitable arrangement. This project does not require any professional skill as all the parts and components are ready-made an...
By: sameerg

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Tue, 27 Dec 2016 08:55:27 PST
Bouncy Rockets http://www.instructables.com/id/Bouncy-Rockets/
Bouncy Rockets - More DIY How To Projects]]> https://cdn.instructables.com/F2I/OI1R/IX0PMMJT/F2IOI1RIX0PMMJT.SQUARE2.jpg https://cdn.instructables.com/F2I/OI1R/IX0PMMJT/F2IOI1RIX0PMMJT.SQUARE.jpg https://cdn.instructables.com/F2I/OI1R/IX0PMMJT/F2IOI1RIX0PMMJT.SMALL.jpg 3DNicholos This is part of a series of Instructables intended for teachers about educating students in the classroom around making and tinkering. For more about the details of this project, check out our blog.There are multiple variants of safe in-class rockets out there, but this one favors quick iteration, c...
By: 3DNicholos

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Thu, 22 Dec 2016 10:50:24 PST
How to Use Origami to Make a Photoreflector (and More!) - TfCD http://www.instructables.com/id/How-to-Use-Origami-to-Make-a-Photoreflector-and-Mo/
How to Use Origami to Make a Photoreflector (and More!) - TfCD - More DIY How To Projects]]> https://cdn.instructables.com/F5S/LAXW/IWWFYC2G/F5SLAXWIWWFYC2G.SQUARE2.jpg https://cdn.instructables.com/F5S/LAXW/IWWFYC2G/F5SLAXWIWWFYC2G.SQUARE.jpg https://cdn.instructables.com/F5S/LAXW/IWWFYC2G/F5SLAXWIWWFYC2G.SMALL.jpg MarijnZilver Hi! In this instructable, you can learn how to make an origami structure in the miura-ori technique. It uses a repeating pattern (so the size is adjustable to your needs) and can compress very far.The applications of this technique are endless, but in the interest of time we will only explain one as...
By: MarijnZilver

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Thu, 22 Dec 2016 04:27:10 PST
How to build a fire breathing dragon mask http://www.instructables.com/id/How-to-Build-a-Fire-Breathing-Dragon-Mask/
How to build a fire breathing dragon mask - More DIY How To Projects]]> https://cdn.instructables.com/FFM/QJWR/IWWFS9K7/FFMQJWRIWWFS9K7.SQUARE2.jpg https://cdn.instructables.com/FFM/QJWR/IWWFS9K7/FFMQJWRIWWFS9K7.SQUARE.jpg https://cdn.instructables.com/FFM/QJWR/IWWFS9K7/FFMQJWRIWWFS9K7.SMALL.jpg LetsBuildOne For Haloween last year, I did this: http://www.instructables.com/id/Fire-Breathing-Dragon-Mask/A year later, I've revisited the fire breathing dragon mask.Problems to deal with:The mask was flammable The igniter took a while to get up to temperature The igniter may get cooled down by the butane je...
By: LetsBuildOne

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Wed, 21 Dec 2016 06:06:42 PST
Bioplastics: Casein Plastic and Starch-Based Plastic http://www.instructables.com/id/Bioplastics-Casein-Plastic-and-Starch-Based-Plasti/
Bioplastics: Casein Plastic and Starch-Based Plastic - More DIY How To Projects]]> https://cdn.instructables.com/F7E/RQC2/IWWFJ1F3/F7ERQC2IWWFJ1F3.SQUARE2.jpg https://cdn.instructables.com/F7E/RQC2/IWWFJ1F3/F7ERQC2IWWFJ1F3.SQUARE.jpg https://cdn.instructables.com/F7E/RQC2/IWWFJ1F3/F7ERQC2IWWFJ1F3.SMALL.jpg HoundDogRock Today, plastic is a term referring to the fossil based polymer that begun production on industrial scale in the 1940s. Nowadays, the products are used in applications ranging from cutlery to electronic devices and much more. In the year 2012, the total production of plastic reached 288 million tons,...
By: HoundDogRock

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Tue, 20 Dec 2016 06:35:02 PST
20 experiments with tension water http://www.instructables.com/id/20-Experiments-With-Tension-Water/
20 experiments with tension water - More DIY How To Projects]]> https://cdn.instructables.com/F4S/UWPH/IXUQFZZI/F4SUWPHIXUQFZZI.SQUARE2.jpg https://cdn.instructables.com/F4S/UWPH/IXUQFZZI/F4SUWPHIXUQFZZI.SQUARE.jpg https://cdn.instructables.com/F4S/UWPH/IXUQFZZI/F4SUWPHIXUQFZZI.SMALL.jpg rudyexplor I decided to speak to you in this "instructable" of the surface tension also called water tension.Click to subscribe to my YouTube channel ► https://goo.gl/PkIcj8 (thanks)What is the interest to know : the superficial tension? To know the cleanliness of the material. In order to know if ...
By: rudyexplor

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Thu, 15 Dec 2016 14:55:42 PST
To Put a cloud in a bottle http://www.instructables.com/id/To-Put-a-Cloud-in-a-Bottle/
To Put a cloud in a bottle - More DIY How To Projects]]> https://cdn.instructables.com/FKA/E337/IW6PT5EO/FKAE337IW6PT5EO.SQUARE2.jpg https://cdn.instructables.com/FKA/E337/IW6PT5EO/FKAE337IW6PT5EO.SQUARE.jpg https://cdn.instructables.com/FKA/E337/IW6PT5EO/FKAE337IW6PT5EO.SMALL.jpg rudyexplor I'll show you something cool.For the challenge "Brave the Elements".I use water, air and fires. The liquid turns it into gas and burn itClick to subscribe to my YouTube channel ► https://goo.gl/PkIcj8 (thanks)how to put a cloud in a bottle ?You will need : a compressor or pump a plast...
By: rudyexplor

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Mon, 5 Dec 2016 07:01:35 PST
Biosafety cabinet for tissue culture http://www.instructables.com/id/Biosafety-Cabinet-for-Tissue-Culture/
Biosafety cabinet for tissue culture - More DIY How To Projects]]> https://cdn.instructables.com/F4V/ULHZ/IW6PQ9ZM/F4VULHZIW6PQ9ZM.SQUARE2.jpg https://cdn.instructables.com/F4V/ULHZ/IW6PQ9ZM/F4VULHZIW6PQ9ZM.SQUARE.jpg https://cdn.instructables.com/F4V/ULHZ/IW6PQ9ZM/F4VULHZIW6PQ9ZM.SMALL.jpg abizar A tissue culture hood now often referred to as a Biosafety cabinet is an essential if you are performing tissue cuture experiments. This instructable describes the way I made my own (first picture). Just to give you an idea on how these Biosafety cabinets work - the second image describes the approa...
By: abizar

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Mon, 5 Dec 2016 00:57:23 PST
Make blue ink disappear, recoloring and disappear - experiment and explanation - Without risk http://www.instructables.com/id/Make-Blue-Ink-Disappear-Recoloring-and-Disappear-E/
Make blue ink disappear, recoloring and disappear - experiment and explanation - Without risk - More DIY How To Projects]]> https://cdn.instructables.com/F62/SXF4/IW6PIEM8/F62SXF4IW6PIEM8.SQUARE2.jpg https://cdn.instructables.com/F62/SXF4/IW6PIEM8/F62SXF4IW6PIEM8.SQUARE.jpg https://cdn.instructables.com/F62/SXF4/IW6PIEM8/F62SXF4IW6PIEM8.SMALL.jpg rudyexplor For those who follow me already you know that I love to learn and keep a track of my learning. Click to subscribe to my YouTube channel ► https://goo.gl/PkIcj8 (thanks)And by the same opportunity sharing with all of you.Here is an instructable which explains the discoloration, the recoloring and a...
By: rudyexplor

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Fri, 2 Dec 2016 16:00:13 PST
DIY Pressure Chamber http://www.instructables.com/id/DIY-Pressure-Chamber/
DIY Pressure Chamber - More DIY How To Projects]]> https://cdn.instructables.com/FIM/RDVD/IW6POHY5/FIMRDVDIW6POHY5.SQUARE2.jpg https://cdn.instructables.com/FIM/RDVD/IW6POHY5/FIMRDVDIW6POHY5.SQUARE.jpg https://cdn.instructables.com/FIM/RDVD/IW6POHY5/FIMRDVDIW6POHY5.SMALL.jpg Plantfreak1 This pressure chamber is great for several educational experiments. However there is a certain level of danger involved. NOT ALL SODA BOTTLES ARE CREATED EQUAL AND A SAFE PRESSURE FOR ONE BOTTLE MAY BE THE RUPTURING PRESSURE FOR ANOTHER. EXERCISE CAUTION AND WEAR EYE PROTECTION WHILE FILLING THE BOT...
By: Plantfreak1

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Thu, 1 Dec 2016 22:35:09 PST
Ocean Data Buoy [2.0] http://www.instructables.com/id/Ocean-Data-Buoy-20/
Ocean Data Buoy [2.0] - More DIY How To Projects]]> https://cdn.instructables.com/F4Q/SKS1/IW6PEQVX/F4QSKS1IW6PEQVX.SQUARE2.jpg https://cdn.instructables.com/F4Q/SKS1/IW6PEQVX/F4QSKS1IW6PEQVX.SQUARE.jpg https://cdn.instructables.com/F4Q/SKS1/IW6PEQVX/F4QSKS1IW6PEQVX.SMALL.jpg pluvialychnus Scientists have been deploying battery powered sensors on ocean buoys for the past 30 years to track currents, waves, temperature, salinity, pH, and other metrics in an effort to understand the ocean. The accepted design standards for these single use instruments typically rely on plastics, urethan...
By: pluvialychnus

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Thu, 1 Dec 2016 16:22:54 PST
3D periodic table http://www.instructables.com/id/3D-Periodic-Table/
3D periodic table - More DIY How To Projects]]> https://cdn.instructables.com/FL3/NKP6/IVO7OUIN/FL3NKP6IVO7OUIN.SQUARE2.jpg https://cdn.instructables.com/FL3/NKP6/IVO7OUIN/FL3NKP6IVO7OUIN.SQUARE.jpg https://cdn.instructables.com/FL3/NKP6/IVO7OUIN/FL3NKP6IVO7OUIN.SMALL.jpg makendo The first periodic table was developed in 1862 by a French geologist called Alexandre-Émile Béguyer de Chancourtois. He plotted the elements on a cylinder with a circumference of 16 units, and noted the resulting helix placed elements with similar properties in line with each other. But his idea - w...
By: makendo

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Mon, 28 Nov 2016 14:21:37 PST
The Lightning Machine: How to Build a Tesla Coil http://www.instructables.com/id/The-Lightning-Machine-How-to-Build-a-Tesla-Coil/
The Lightning Machine: How to Build a Tesla Coil - More DIY How To Projects]]> https://cdn.instructables.com/FN5/ZENI/IVMQ63CQ/FN5ZENIIVMQ63CQ.SQUARE2.jpg https://cdn.instructables.com/FN5/ZENI/IVMQ63CQ/FN5ZENIIVMQ63CQ.SQUARE.jpg https://cdn.instructables.com/FN5/ZENI/IVMQ63CQ/FN5ZENIIVMQ63CQ.SMALL.jpg tanner_tech Have you ever wanted the power to create a lightning storm in your house? Have you ever wanted to build the famous machine in the movies that creates giant sparks that jump into the air? If you have, then you are in luck! About 128 years ago, genius inventor Nikola Tesla invented a machine that ...
By: tanner_tech

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Sat, 26 Nov 2016 18:37:21 PST
Seeing Sound and Breaking Wine Glasses http://www.instructables.com/id/Seeing-Sound-and-Breaking-Wine-Glasses/
Seeing Sound and Breaking Wine Glasses - More DIY How To Projects]]> https://cdn.instructables.com/FL3/7THN/IVO5DS0O/FL37THNIVO5DS0O.SQUARE2.jpg https://cdn.instructables.com/FL3/7THN/IVO5DS0O/FL37THNIVO5DS0O.SQUARE.jpg https://cdn.instructables.com/FL3/7THN/IVO5DS0O/FL37THNIVO5DS0O.SMALL.jpg astroknut This project was motivated by a video I saw on YouTube that seemed to show the waves present on a guitar string when plucked (see video). I knew this was a "rolling shutter" effect, so I wanted to see what guitar strings actually looked like when plucked. I didn't have an expensive high speed camera...
By: astroknut

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Sat, 26 Nov 2016 16:29:00 PST
Make a Simple Portable Tesla Coil! http://www.instructables.com/id/Make-a-Simple-Portable-Mini-Tesla-Coil/
Make a Simple Portable Tesla Coil! - More DIY How To Projects]]> https://cdn.instructables.com/FGQ/OE9A/IVO4DKSY/FGQOE9AIVO4DKSY.SQUARE2.jpg https://cdn.instructables.com/FGQ/OE9A/IVO4DKSY/FGQOE9AIVO4DKSY.SQUARE.jpg https://cdn.instructables.com/FGQ/OE9A/IVO4DKSY/FGQOE9AIVO4DKSY.SMALL.jpg CCX191 IntroductionI've made this Tesla Coil in reference and inspired by José Davēd's video: "DIY Tesla Slayer Exciter Coil Tutorial Mini How to Build Easy Circuit Explanation" I find that his circuit seems to work really well so I wrote this instructables and also redraw the circuit appropriately since h...
By: CCX191

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Thu, 24 Nov 2016 17:25:42 PST
Easy homemade wind tunnel http://www.instructables.com/id/Easy-Homemade-Wind-Tunnel/
Easy homemade wind tunnel - More DIY How To Projects]]> https://cdn.instructables.com/F5F/UAJL/IVO3PZCQ/F5FUAJLIVO3PZCQ.SQUARE2.jpg https://cdn.instructables.com/F5F/UAJL/IVO3PZCQ/F5FUAJLIVO3PZCQ.SQUARE.jpg https://cdn.instructables.com/F5F/UAJL/IVO3PZCQ/F5FUAJLIVO3PZCQ.SMALL.jpg Creationaries Well here is the complete guide on how to make a cheap and efficient wind tunnel for projects etc.,What you will need:- A Pringles containerA medium sized cardboard boxSome strawsA computer fanAn LED bulbTwo AAA batteriesA switch (optional)OHP sheetAn ac to dc adaptor(according to specs of fan)A sma...
By: Creationaries

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Tue, 22 Nov 2016 09:50:38 PST
How to make Solenoid Engine http://www.instructables.com/id/How-to-Make-Solenoid-Engine/
How to make Solenoid Engine - More DIY How To Projects]]> https://cdn.instructables.com/F46/KRP2/IVO3OFXH/F46KRP2IVO3OFXH.SQUARE2.jpg https://cdn.instructables.com/F46/KRP2/IVO3OFXH/F46KRP2IVO3OFXH.SQUARE.jpg https://cdn.instructables.com/F46/KRP2/IVO3OFXH/F46KRP2IVO3OFXH.SMALL.jpg Mr innovative Hi friendsthis time i will show you how to make a simple solenoid engine.It is very fascinating to see how physics works, with this project we will see how magnetism works to rotate a wheel,here linear movement of solenoid is convert into circular motion. Video of solenoid engine First please h...
By: Mr innovative

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Tue, 22 Nov 2016 09:09:19 PST
Make an Electric Motor http://www.instructables.com/id/Make-an-Electric-Motor/
Make an Electric Motor - More DIY How To Projects]]> https://cdn.instructables.com/FYJ/YJPA/IU9V1F39/FYJYJPAIU9V1F39.SQUARE2.jpg https://cdn.instructables.com/FYJ/YJPA/IU9V1F39/FYJYJPAIU9V1F39.SQUARE.jpg https://cdn.instructables.com/FYJ/YJPA/IU9V1F39/FYJYJPAIU9V1F39.SMALL.jpg CCX191 IntroductionThis electric motor is made in reference and inspired by Roobert33's "How to make an electric motor homemade" YouTube video. This was made for a physics coursework. Although the video has already briefly explained how it works and made, here's my take. Or rather an improved version.Sugge...
By: CCX191

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Tue, 22 Nov 2016 07:31:21 PST
Two axis star tracker http://www.instructables.com/id/Two-Axis-Star-Tracker/
Two axis star tracker - More DIY How To Projects]]> https://cdn.instructables.com/FWJ/EKH8/IVO3FHDA/FWJEKH8IVO3FHDA.SQUARE2.jpg https://cdn.instructables.com/FWJ/EKH8/IVO3FHDA/FWJEKH8IVO3FHDA.SQUARE.jpg https://cdn.instructables.com/FWJ/EKH8/IVO3FHDA/FWJEKH8IVO3FHDA.SMALL.jpg yoh-there This project is a two axis pointer, complemented by software to track any star in the sky. The software is also able to track the sun and the planets.It should be noted that this project is a continuation of the single axis star tracker. In the instructable for that project, movement of stars is exp...
By: yoh-there

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Sun, 20 Nov 2016 07:42:56 PST
How to make a Van De Graaff generator http://www.instructables.com/id/How-to-Make-a-Van-De-Graaff-Generator/
How to make a Van De Graaff generator - More DIY How To Projects]]> https://cdn.instructables.com/F8W/3BBD/IVHQFYRE/F8W3BBDIVHQFYRE.SQUARE2.jpg https://cdn.instructables.com/F8W/3BBD/IVHQFYRE/F8W3BBDIVHQFYRE.SQUARE.jpg https://cdn.instructables.com/F8W/3BBD/IVHQFYRE/F8W3BBDIVHQFYRE.SMALL.jpg CCX191 I've built this Van De Graaff generator for a science coursework and it works pretty well considering it being built in a rush (needa hit that deadline man). With it, I managed to achieve a 1.5cm spark, a happy physics teacher and full marks for my coursework :D. All the parts used are easy to find ...
By: CCX191

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Mon, 14 Nov 2016 05:56:12 PST
Water Bottle - Water Wheel http://www.instructables.com/id/Water-Bottle-Water-Wheel/
Water Bottle - Water Wheel - More DIY How To Projects]]> https://cdn.instructables.com/FOR/MPJG/IVA4NAYH/FORMPJGIVA4NAYH.SQUARE2.jpg https://cdn.instructables.com/FOR/MPJG/IVA4NAYH/FORMPJGIVA4NAYH.SQUARE.jpg https://cdn.instructables.com/FOR/MPJG/IVA4NAYH/FORMPJGIVA4NAYH.SMALL.jpg mbrennan01 Hi! I am a graduate student and this is for a class project focused on prototyping a product with a typical household material. Before we even begin de -constructing to construct, we must gather our tools and materials.Tools + Materials:-Super Glue-Olfa Blade-Metal Ruler-White Thread-20 clear plasti...
By: mbrennan01

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Thu, 10 Nov 2016 09:03:40 PST
Super Simple Electrocardiogram (ECG) Circuit http://www.instructables.com/id/Super-Simple-Electrocardiogram-ECG-Circuit/
Super Simple Electrocardiogram (ECG) Circuit - More DIY How To Projects]]> https://cdn.instructables.com/FA7/DUBJ/IV0AZS0J/FA7DUBJIV0AZS0J.SQUARE2.jpg https://cdn.instructables.com/FA7/DUBJ/IV0AZS0J/FA7DUBJIV0AZS0J.SQUARE.jpg https://cdn.instructables.com/FA7/DUBJ/IV0AZS0J/FA7DUBJIV0AZS0J.SMALL.jpg ohoilett Electrocardiography is the study of the electrical signals produced by the heart during the cardiac cycle. Doctors monitor a person's electrocardiogram (ECG) in order to assess how the heart is functioning and can be used to diagnose a variety of cardiac diseases. The ECG is thought to have first be...
By: ohoilett

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Sun, 6 Nov 2016 08:28:01 PST
Density of liquids and materials http://www.instructables.com/id/Density-of-Liquids-and-Materials/
Density of liquids and materials - More DIY How To Projects]]> https://cdn.instructables.com/F7Y/QZ9N/IV0ASCHI/F7YQZ9NIV0ASCHI.SQUARE2.jpg https://cdn.instructables.com/F7Y/QZ9N/IV0ASCHI/F7YQZ9NIV0ASCHI.SQUARE.jpg https://cdn.instructables.com/F7Y/QZ9N/IV0ASCHI/F7YQZ9NIV0ASCHI.SMALL.jpg rudyexplor The mass or density of the liquid depends on its nature.The density of a material is for the liquid, the ratio of the density compared to that of water (at 4 ° C). Test with Density of liquids In this first experience with liquids in order from bottom to top : honey 1 360 kg...
By: rudyexplor

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Fri, 4 Nov 2016 14:11:56 PDT
World's Simplest Electric Train http://www.instructables.com/id/Worlds-Simplest-Electric-Train/
World's Simplest Electric Train - More DIY How To Projects]]> https://cdn.instructables.com/F4S/VJ1Q/IUYD764D/F4SVJ1QIUYD764D.SQUARE2.jpg https://cdn.instructables.com/F4S/VJ1Q/IUYD764D/F4SVJ1QIUYD764D.SQUARE.jpg https://cdn.instructables.com/F4S/VJ1Q/IUYD764D/F4SVJ1QIUYD764D.SMALL.jpg KJMagnetics With just three everyday items, you can make the "World's Simplest Electric Train!" This is a fun, simple, yet great science experiment. Materials needed:20 gauge copper wire (non-insulated). AA BatteryTwo 5/8" x 3/8" neodymium magnets (our product DA6). Coil the wire The first thing you'll need...
By: KJMagnetics

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Tue, 1 Nov 2016 09:53:18 PDT
Rube Goldberg Don't Lose Your Marbles http://www.instructables.com/id/Rube-Goldberg-Dont-Lose-Your-Marbles/
Rube Goldberg Don't Lose Your Marbles - More DIY How To Projects]]> https://cdn.instructables.com/FN1/EDQU/IUSM4IU6/FN1EDQUIUSM4IU6.SQUARE2.jpg https://cdn.instructables.com/FN1/EDQU/IUSM4IU6/FN1EDQUIUSM4IU6.SQUARE.jpg https://cdn.instructables.com/FN1/EDQU/IUSM4IU6/FN1EDQUIUSM4IU6.SMALL.jpg PlunkettL01 Aim: get a marble in the cupEquipment used: wood,marbles,cup string bucket tube and tapTechnology used:iPad computers Step 1: start the start is were the marble drops by a lever Step 2: set it of Step 3: let go down the marble is going down Step 4 the mar is near the end FINISH marb...
By: PlunkettL01

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Mon, 31 Oct 2016 07:04:39 PDT
No,the water does not freeze at 0° (not always) ! Proof here http://www.instructables.com/id/Nothe-Water-Does-Not-Freeze-at-0-not-Always-/
No,the water does not freeze at 0° (not always) ! Proof here - More DIY How To Projects]]> https://cdn.instructables.com/FTR/20GN/IUSM1Z5Y/FTR20GNIUSM1Z5Y.SQUARE2.jpg https://cdn.instructables.com/FTR/20GN/IUSM1Z5Y/FTR20GNIUSM1Z5Y.SQUARE.jpg https://cdn.instructables.com/FTR/20GN/IUSM1Z5Y/FTR20GNIUSM1Z5Y.SMALL.jpg rudyexplor Supercooling, surfusion or Undercooling or allow freezing water instantly.Transform ice into water instantly through supercooling, this is a metastable state.A material which remains in liquid form below its solidification temperature.We learn all the water turns to ice below 0 ° C, if it is at nor...
By: rudyexplor

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Sun, 30 Oct 2016 13:56:27 PDT
Reacción química del permanganato de potasio con sacarosa en medio básico http://www.instructables.com/id/Reacción-Química-Del-Permanganato-De-Potasio-Con-S/
Reacción química del permanganato de potasio con sacarosa en medio básico - More DIY How To Projects]]> https://cdn.instructables.com/FHU/H6AL/IUKEOXXO/FHUH6ALIUKEOXXO.SQUARE2.jpg https://cdn.instructables.com/FHU/H6AL/IUKEOXXO/FHUH6ALIUKEOXXO.SQUARE.jpg https://cdn.instructables.com/FHU/H6AL/IUKEOXXO/FHUH6ALIUKEOXXO.SMALL.jpg LucíaG9 El permanganato de potasio es un fuerte oxidante, y el azúcar, que actuará como reductor , de manera que al reaccionar ambos en un medio básico se producirán diferentes reacciones de oxidación-reducción, y en el transcurso de las reacciones, dependiendo de los iones de pe...
By: LucíaG9

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Sat, 22 Oct 2016 19:40:49 PDT
Myphotonics Powermeter (Laser-Leistungsmessgerät) http://www.instructables.com/id/Myphotonics-Powermeter-Laser-Leistungsmessgerät/
Myphotonics Powermeter (Laser-Leistungsmessgerät) - More DIY How To Projects]]> https://cdn.instructables.com/FQG/0ZCU/IU9VKRY4/FQG0ZCUIU9VKRY4.SQUARE2.jpg https://cdn.instructables.com/FQG/0ZCU/IU9VKRY4/FQG0ZCUIU9VKRY4.SQUARE.jpg https://cdn.instructables.com/FQG/0ZCU/IU9VKRY4/FQG0ZCUIU9VKRY4.SMALL.jpg myphotonics Dieses Werk ist lizenziert unter einer Creative Commons Namensnennung - Weitergabe unter gleichen Bedingungen 4.0 International. Eine für Menschen lesbare Zusammenfassung dieser Lizenz findet sich hier.Was ist das?Mit einem Laser-Leistungsmessgerät (Powermeter) ist es möglich, die ausgestrahlte Lich...
By: myphotonics

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Tue, 18 Oct 2016 03:36:49 PDT
Home Baked Gel (Rechargeable) Battery http://www.instructables.com/id/Home-Baked-Kitchen-Battery/
Home Baked Gel (Rechargeable) Battery - More DIY How To Projects]]> https://cdn.instructables.com/FRH/I383/IU9VEAWO/FRHI383IU9VEAWO.SQUARE2.jpg https://cdn.instructables.com/FRH/I383/IU9VEAWO/FRHI383IU9VEAWO.SQUARE.jpg https://cdn.instructables.com/FRH/I383/IU9VEAWO/FRHI383IU9VEAWO.SMALL.jpg inspecter gadget Right now there are over 20 different types, of future battery power being developed all over the world as we speak. It has literally been a few decades since we have see anything more powerful than lithium ion in mainstream usage. Lithium has also received bad press lately as the new technologies a...
By: inspecter gadget

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Mon, 17 Oct 2016 03:44:22 PDT
Building and Testing a Penny Battery http://www.instructables.com/id/Building-and-Testing-a-Penny-Battery/
Building and Testing a Penny Battery - More DIY How To Projects]]> https://cdn.instructables.com/FPJ/UT6V/IU9V28H9/FPJUT6VIU9V28H9.SQUARE2.jpg https://cdn.instructables.com/FPJ/UT6V/IU9V28H9/FPJUT6VIU9V28H9.SQUARE.jpg https://cdn.instructables.com/FPJ/UT6V/IU9V28H9/FPJUT6VIU9V28H9.SMALL.jpg FerriteGiant This version of a battery hearkens back to the original voltaic pile invented by Alessandro Volta in 1799. Here I will be showing two versions using different anode materials. In the diagrams I've only shown batteries composed of 5 cells, but the picture of the actual battery is of a 10 cell version...
By: FerriteGiant

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Sat, 15 Oct 2016 10:19:48 PDT
Multiply or divide any number by 5 fast http://www.instructables.com/id/Multiply-or-Divide-Any-Number-by-5-Fast/
Multiply or divide any number by 5 fast - More DIY How To Projects]]> https://cdn.instructables.com/FQ4/KVLQ/IU9UOLKY/FQ4KVLQIU9UOLKY.SQUARE2.jpg https://cdn.instructables.com/FQ4/KVLQ/IU9UOLKY/FQ4KVLQIU9UOLKY.SQUARE.jpg https://cdn.instructables.com/FQ4/KVLQ/IU9UOLKY/FQ4KVLQIU9UOLKY.SMALL.jpg Mathcx So multiplying by 5 may seem easier than multiplying by 7 especially if you know the times tables but it's about to get a lot easier. Multiplying Here are three numbers multiply them by 5 as fast as you can526847Okay you have ten seconds no googling or using a calculatorIf you can't get it here...
By: Mathcx

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Sat, 15 Oct 2016 19:49:53 PDT
Candle Powered Coffee Maker http://www.instructables.com/id/Candle-Powered-Coffee-Maker/
Candle Powered Coffee Maker - More DIY How To Projects]]> https://cdn.instructables.com/FAB/YB0D/IU67WX1I/FABYB0DIU67WX1I.SQUARE2.jpg https://cdn.instructables.com/FAB/YB0D/IU67WX1I/FABYB0DIU67WX1I.SQUARE.jpg https://cdn.instructables.com/FAB/YB0D/IU67WX1I/FABYB0DIU67WX1I.SMALL.jpg austiwawa In this Instructable I will be showing you how to use tea light candles to power an old coffee maker. This is a fun, cheap and easy experiment that anyone can do! Just make sure not to try it indoors!Before you go through the rest of the steps for this project, you should definitely watch the video ...
By: austiwawa

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Tue, 11 Oct 2016 18:52:58 PDT
Automatic Digital Microscope http://www.instructables.com/id/Automatic-Digital-Microscope/
Automatic Digital Microscope - More DIY How To Projects]]> https://cdn.instructables.com/FJM/HIL9/ITW325A3/FJMHIL9ITW325A3.SQUARE2.jpg https://cdn.instructables.com/FJM/HIL9/ITW325A3/FJMHIL9ITW325A3.SQUARE.jpg https://cdn.instructables.com/FJM/HIL9/ITW325A3/FJMHIL9ITW325A3.SMALL.jpg RodriMendoza Tuberculosis is a worldwide endemic disease with a high mortality rate, approximately 5 million people die each year. Despite being a disease completely curable, WHO data reveal that it is still being the third cause of mortality in the world. In the last decades, modern diagnostic methods have been...
By: RodriMendoza

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Fri, 7 Oct 2016 22:54:22 PDT
How to make a Ziehl Neelsen Sputum Smear slide http://www.instructables.com/id/How-to-Make-a-Ziehl-Neelsen-Sputum-Smear-Slide/
How to make a Ziehl Neelsen Sputum Smear slide - More DIY How To Projects]]> https://cdn.instructables.com/FMW/WVHA/IU11K5ME/FMWWVHAIU11K5ME.SQUARE2.jpg https://cdn.instructables.com/FMW/WVHA/IU11K5ME/FMWWVHAIU11K5ME.SQUARE.jpg https://cdn.instructables.com/FMW/WVHA/IU11K5ME/FMWWVHAIU11K5ME.SMALL.jpg Mirko Párraga The Ziehl-Neelsen stain was initially developed by Paul Ehrlich to reveal the presence of bacilli causing tuberculosis in clinical samples. This technique is able to differentiate Acid Fast bacteria. It forces the penetration of basic fuchsin into the cell wall by the combined action of phenol and h...
By: Mirko Párraga

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Sat, 8 Oct 2016 05:38:51 PDT
Biosecurity Box http://www.instructables.com/id/Biosecurity-Box/
Biosecurity Box - More DIY How To Projects]]> https://cdn.instructables.com/F82/DC9Y/ITW2KSL7/F82DC9YITW2KSL7.SQUARE2.jpg https://cdn.instructables.com/F82/DC9Y/ITW2KSL7/F82DC9YITW2KSL7.SQUARE.jpg https://cdn.instructables.com/F82/DC9Y/ITW2KSL7/F82DC9YITW2KSL7.SMALL.jpg RodriMendoza Tuberculosis is a worldwide endemic disease with a high mortality rate, approximately 5 million people die each year. Despite being a disease completely curable, WHO data reveal that it is still being the third cause of mortality in the world. In the last decades, modern diagnostic methods have been...
By: RodriMendoza

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Mon, 3 Oct 2016 22:14:25 PDT
Simple FM radio (sure works!) http://www.instructables.com/id/Simple-FM-Radio-sure-Works/
Simple FM radio (sure works!) - More DIY How To Projects]]> https://cdn.instructables.com/FTB/ZHST/ITQ34HUK/FTBZHSTITQ34HUK.SQUARE2.jpg https://cdn.instructables.com/FTB/ZHST/ITQ34HUK/FTBZHSTITQ34HUK.SQUARE.jpg https://cdn.instructables.com/FTB/ZHST/ITQ34HUK/FTBZHSTITQ34HUK.SMALL.jpg mkpeker Simple and powerful fm radio with easy to find parts circuit This is a regenerative Fm radio. Build very simple and easy to find parts. No special coils or uhf transistors.Antenna catches fm waves, first transistor works as oscillator. R1, L1 and C1 determinates oscillation frequency. Internal fr...
By: mkpeker

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Sun, 2 Oct 2016 03:57:32 PDT
An Archaeologic Dig Simulation http://www.instructables.com/id/An-Archaeologic-Dig-Simulation/
An Archaeologic Dig Simulation - More DIY How To Projects]]> https://cdn.instructables.com/F35/JLIJ/ISCBGPY3/F35JLIJISCBGPY3.SQUARE2.jpg https://cdn.instructables.com/F35/JLIJ/ISCBGPY3/F35JLIJISCBGPY3.SQUARE.jpg https://cdn.instructables.com/F35/JLIJ/ISCBGPY3/F35JLIJISCBGPY3.SMALL.jpg notsosharp This project lets students of all ages play the role of archaeologist.An archaeological dig near a Dawson City in the Yukon prompted the community school to conduct their own "dig". I developed this archaeological dig simulation so that students could understand how a dig works and the process for c...
By: notsosharp

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Wed, 31 Aug 2016 20:34:46 PDT
Cereal Box Penrose Tiles http://www.instructables.com/id/Cereal-Box-Penrose-Tiles/
Cereal Box Penrose Tiles - More DIY How To Projects]]> https://cdn.instructables.com/FOG/KDWW/ITOJHBX5/FOGKDWWITOJHBX5.SQUARE2.jpg https://cdn.instructables.com/FOG/KDWW/ITOJHBX5/FOGKDWWITOJHBX5.SQUARE.jpg https://cdn.instructables.com/FOG/KDWW/ITOJHBX5/FOGKDWWITOJHBX5.SMALL.jpg lafelabs Penrose tiles are a kind of tiling that creates shapes various with five fold symmetries. They were invented by Roger Penrose, who is still alive as of this writing in the early 21st century. This is a very rare thing! I cannot think of any other piece of math that is accessible and interesting t...
By: lafelabs

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Thu, 29 Sep 2016 10:52:38 PDT
PulseSim - Photoplethysmograph (Heartbeat) Analog Simulator http://www.instructables.com/id/PulseSim-Photoplethysmograph-Heartbeat-Analog-Simu/
PulseSim - Photoplethysmograph (Heartbeat) Analog Simulator - More DIY How To Projects]]> https://cdn.instructables.com/F61/YZJ6/ISCBJIPJ/F61YZJ6ISCBJIPJ.SQUARE2.jpg https://cdn.instructables.com/F61/YZJ6/ISCBJIPJ/F61YZJ6ISCBJIPJ.SQUARE.jpg https://cdn.instructables.com/F61/YZJ6/ISCBJIPJ/F61YZJ6ISCBJIPJ.SMALL.jpg ohoilett The volume of blood in our fingers changes at different parts of the cardiac cycle (heartbeat). Immediately following ventricular contraction (when the heart pumps blood out of the ventricles and to the rest of the body), the volume of blood in the fingers increases slightly. This change in blood vo...
By: ohoilett

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Sat, 3 Sep 2016 12:38:28 PDT
PLA02 A Hybrid Rocket Engine. http://www.instructables.com/id/PLA02-a-Hybrid-Rocket-Engine/
PLA02 A Hybrid Rocket Engine. - More DIY How To Projects]]> https://cdn.instructables.com/FYK/FEVZ/ISV2DP2T/FYKFEVZISV2DP2T.SQUARE2.jpg https://cdn.instructables.com/FYK/FEVZ/ISV2DP2T/FYKFEVZISV2DP2T.SQUARE.jpg https://cdn.instructables.com/FYK/FEVZ/ISV2DP2T/FYKFEVZISV2DP2T.SMALL.jpg OfficialZander !!-Disclaimer-!!This project is dangerous and possibly illegal where you live. I do not take any accountability/responsibility for your actions. If however, you decide to continue anyway please join a rocketry club/group that knows and deals with hybrid engines.Now with that out of the way we can be...
By: OfficialZander

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Sun, 4 Sep 2016 21:38:16 PDT
Grow Miniature Coral From Calcium Acetate http://www.instructables.com/id/Grow-Minature-Coral-From-Calcium-Acetate/
Grow Miniature Coral From Calcium Acetate - More DIY How To Projects]]> https://cdn.instructables.com/FHI/6SVQ/ISW4ZKEG/FHI6SVQISW4ZKEG.SQUARE2.jpg https://cdn.instructables.com/FHI/6SVQ/ISW4ZKEG/FHI6SVQISW4ZKEG.SQUARE.jpg https://cdn.instructables.com/FHI/6SVQ/ISW4ZKEG/FHI6SVQISW4ZKEG.SMALL.jpg inspecter gadget My previous instructable was making Calcium Acetate from Chalk & Vinegar, which was a success when making gelled ethanol. I then had an idea, I have grown the odd crystal over the years and decided to try out some of my Calcium Acetate........it work a treat!!!! Tools and Substrate Calcium Aceta...
By: inspecter gadget

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Fri, 9 Sep 2016 12:51:43 PDT