Instructables: exploring - technology - science - featured http://www.instructables.com Sun, 20 May 2018 17:39:32 PDT BLOX v1.01 High Velocity Vortex Cannon http://www.instructables.com/id/High-Velocity-Vortex-Cannon/
High Velocity Vortex Cannon - More DIY How To Projects]]> https://cdn.instructables.com/F2P/U5X0/JHATV918/F2PU5X0JHATV918.SQUARE2.jpg https://cdn.instructables.com/F2P/U5X0/JHATV918/F2PU5X0JHATV918.SQUARE.jpg https://cdn.instructables.com/F2P/U5X0/JHATV918/F2PU5X0JHATV918.SMALL.jpg NightHawkInLight In this Instructable I'll show how to make a high velocity vortex cannon that runs on propane. I built this project as an upgrade to one of my earlier vortex cannons which was significantly harder to make, and required a more complex procedure to fire as it used a burst disc to help build pressure i...
By: NightHawkInLight

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Sat, 19 May 2018 21:15:02 PDT
Capturing the Solar Analemma With Pinhole Photography http://www.instructables.com/id/Capturing-the-Solar-Analemma-With-Pinhole-Photogra/
Capturing the Solar Analemma With Pinhole Photography - More DIY How To Projects]]> https://cdn.instructables.com/F0G/RB9D/JGGTP98Y/F0GRB9DJGGTP98Y.SQUARE2.jpg https://cdn.instructables.com/F0G/RB9D/JGGTP98Y/F0GRB9DJGGTP98Y.SQUARE.jpg https://cdn.instructables.com/F0G/RB9D/JGGTP98Y/F0GRB9DJGGTP98Y.SMALL.jpg SteveR295 This Instructable is about capturing the figure eight shape traced by the sun in the sky over the course of a year. This is called the solar analemma. The figure eight is caused by two things. First, the Earth has a tilted axis. This causes the sun to appear higher or lower in the sky throughout...
By: SteveR295

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Sat, 28 Apr 2018 04:22:02 PDT
How to Build a High-Powered Rocket http://www.instructables.com/id/How-to-Build-a-High-Powered-Rocket/
How to Build a High-Powered Rocket - More DIY How To Projects]]> https://cdn.instructables.com/FSZ/FQXK/JGMJ6APU/FSZFQXKJGMJ6APU.SQUARE2.jpg https://cdn.instructables.com/FSZ/FQXK/JGMJ6APU/FSZFQXKJGMJ6APU.SQUARE.jpg https://cdn.instructables.com/FSZ/FQXK/JGMJ6APU/FSZFQXKJGMJ6APU.SMALL.jpg macgyver603 I've wanted to get into high-powered rocketry for a while now, so this year, I decided to jump right in to the hobby and start learning how to build, fly, and recover large rockets.For this project, I built a 6' tall rocket capable of flying motors that can be used to get Level 1 and Level 2 certifi...
By: macgyver603

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Mon, 30 Apr 2018 13:29:56 PDT
Build Your Own Mirror Telescope by Reuse Material!! http://www.instructables.com/id/Build-Your-Own-Mirror-Telescope-by-Reuse-Material/
Build Your Own Mirror Telescope by Reuse Material!! - More DIY How To Projects]]> https://cdn.instructables.com/FPS/HFXL/JGGTLQ6T/FPSHFXLJGGTLQ6T.SQUARE2.jpg https://cdn.instructables.com/FPS/HFXL/JGGTLQ6T/FPSHFXLJGGTLQ6T.SQUARE.jpg https://cdn.instructables.com/FPS/HFXL/JGGTLQ6T/FPSHFXLJGGTLQ6T.SMALL.jpg dew.passakorn21 IntroductionSpace is big, fantastic and mysterious. Many people love to look at the sky and dream to explore the space. One of the methods to see space is using a telescope. However, the telescope in the market is so expensive so this intractable will show how to make a low-price mirror telescope by...
By: dew.passakorn21

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Sun, 29 Apr 2018 06:39:10 PDT
DIY Refractive Telescope http://www.instructables.com/id/DIY-Refractive-Telescope/
DIY Refractive Telescope - More DIY How To Projects]]> https://cdn.instructables.com/F1O/4NLC/JGCJFCG0/F1O4NLCJGCJFCG0.SQUARE2.jpg https://cdn.instructables.com/F1O/4NLC/JGCJFCG0/F1O4NLCJGCJFCG0.SQUARE.jpg https://cdn.instructables.com/F1O/4NLC/JGCJFCG0/F1O4NLCJGCJFCG0.SMALL.jpg Chinmaya Shyamaraj This Refractive telescope uses two convex lenses. This causes the image to be upside down.The first lens, called the objective, receives parallel light rays, and refracts it to its focus(we'll call it f1). The second lens, called the eyepiece, is placed in such a way that the image formed by the obj...
By: Chinmaya Shyamaraj

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Thu, 26 Apr 2018 10:07:50 PDT
Aragoscope: Scrap Hard Disc As a Prototype Space Telescope http://www.instructables.com/id/Aragoscope/
Aragoscope: Scrap Hard Disc As a Prototype Space Telescope - More DIY How To Projects]]> https://cdn.instructables.com/FP4/5UJD/JG74SOJ0/FP45UJDJG74SOJ0.SQUARE2.jpg https://cdn.instructables.com/FP4/5UJD/JG74SOJ0/FP45UJDJG74SOJ0.SQUARE.jpg https://cdn.instructables.com/FP4/5UJD/JG74SOJ0/FP45UJDJG74SOJ0.SMALL.jpg jellmeister Few people have ever heard of an Aragoscope, and it is a concept that sounds bonkers...Take the lens off your camera so you just have the bare sensor. Then stick a disc between you and the object you want to image so it is pretty much the only thing that is not in direct line of sight of the sensor....
By: jellmeister

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Wed, 18 Apr 2018 03:35:38 PDT
Magnetic Flywheel Spinner http://www.instructables.com/id/Magnetic-Flywheel-Spinner/
Magnetic Flywheel Spinner - More DIY How To Projects]]> https://cdn.instructables.com/FDW/0SUC/JFIIR2B7/FDW0SUCJFIIR2B7.SQUARE2.jpg https://cdn.instructables.com/FDW/0SUC/JFIIR2B7/FDW0SUCJFIIR2B7.SQUARE.jpg https://cdn.instructables.com/FDW/0SUC/JFIIR2B7/FDW0SUCJFIIR2B7.SMALL.jpg MAGNET TRICKS This heavy flywheel spinner suspended with magnetic bearing can spin for a ridiculously long time.. The flywheel The flywheel is from an exercise bike. It weighs 14 kg and has a diameter of 46 cmI made the wheel more aerodynamic by cutting 2 round pieces from plywood and glueing one on top and th...
By: MAGNET TRICKS

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Tue, 3 Apr 2018 04:33:44 PDT
3D Print Forest Model (Bosque Impreso En 3D) http://www.instructables.com/id/3D-Print-Forest-Model-Bosque-Impreso-En-3D/
3D Print Forest Model (Bosque Impreso En 3D) - More DIY How To Projects]]> https://cdn.instructables.com/FLI/8Y8Z/JF34A3I7/FLI8Y8ZJF34A3I7.SQUARE2.jpg https://cdn.instructables.com/FLI/8Y8Z/JF34A3I7/FLI8Y8ZJF34A3I7.SQUARE.jpg https://cdn.instructables.com/FLI/8Y8Z/JF34A3I7/FLI8Y8ZJF34A3I7.SMALL.jpg tomasdecamino This is a simple but fun project. A small 3D forest model that can be used for teaching spatial ecology and natural resource management. Is is easy to build, but you need access to a 3D printer and a Laser cutter. At the end of this instructable, I give some suggestions on how this can be used for ...
By: tomasdecamino

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Fri, 23 Mar 2018 09:11:34 PDT
Vacuum Chamber Cocktail Mixer http://www.instructables.com/id/Automatic-Vacuum-Chamber-Cocktail-Mixer/
Vacuum Chamber Cocktail Mixer - More DIY How To Projects]]> https://cdn.instructables.com/FJT/CG25/JEYIVXHM/FJTCG25JEYIVXHM.SQUARE2.jpg https://cdn.instructables.com/FJT/CG25/JEYIVXHM/FJTCG25JEYIVXHM.SQUARE.jpg https://cdn.instructables.com/FJT/CG25/JEYIVXHM/FJTCG25JEYIVXHM.SMALL.jpg Uberme Have you ever wanted your very own robotic bartender that automatically mixes your favorite drinks when commanded to? Have you ever wanted a drink that was vacuum-infused? If your answer to one of these questions is yes, then you are in for a treat: Through this instructable I'll take you through th...
By: Uberme

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Mon, 19 Mar 2018 18:52:35 PDT
How to Make a Lava Lamp http://www.instructables.com/id/How-to-Make-a-Lava-Lamp-2/
How to Make a Lava Lamp - More DIY How To Projects]]> https://cdn.instructables.com/FLI/YGQM/JEYIPSCS/FLIYGQMJEYIPSCS.SQUARE2.jpg https://cdn.instructables.com/FLI/YGQM/JEYIPSCS/FLIYGQMJEYIPSCS.SQUARE.jpg https://cdn.instructables.com/FLI/YGQM/JEYIPSCS/FLIYGQMJEYIPSCS.SMALL.jpg YouLab This instructable explains how to make a lava lamp based on a chemical reaction. Material The material to make this experiment is the following :- Vegetable oil- Vinegar- Glass jar- Light- Plastic cup- Food coloring- Sodium bicarbonate Sodium Bicarbonate Fill 1/20 of the empty jar with soduim ...
By: YouLab

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Mon, 19 Mar 2018 13:18:53 PDT
Green Roof Thermodynamic Model http://www.instructables.com/id/Green-Roof-Thermodynamic-Model/
Green Roof Thermodynamic Model - More DIY How To Projects]]> https://cdn.instructables.com/F76/9NRP/JEIV1LI2/F769NRPJEIV1LI2.SQUARE2.jpg https://cdn.instructables.com/F76/9NRP/JEIV1LI2/F769NRPJEIV1LI2.SQUARE.jpg https://cdn.instructables.com/F76/9NRP/JEIV1LI2/F769NRPJEIV1LI2.SMALL.jpg ViridiEngineering The purpose of this project is to analyze thermodynamic properties when comparing a traditional, industrial concrete roof to a modern green roof. Heat will transfer differently through the different roof layers. This scale model will allow for the measurement of the temperature differences between l...
By: ViridiEngineering

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Sat, 10 Mar 2018 04:31:46 PST
Air Quality Classroom Experiment http://www.instructables.com/id/Air-Quality-Classroom-Experiment/
Air Quality Classroom Experiment - More DIY How To Projects]]> https://cdn.instructables.com/FPH/GBV1/JEEUD5OT/FPHGBV1JEEUD5OT.SQUARE2.jpg https://cdn.instructables.com/FPH/GBV1/JEEUD5OT/FPHGBV1JEEUD5OT.SQUARE.jpg https://cdn.instructables.com/FPH/GBV1/JEEUD5OT/FPHGBV1JEEUD5OT.SMALL.jpg TheGeekGroupNSI This experiment is a great introduction to air quality and particulate air pollution. Set-up is easy, and material cost is low- you can obtain everything you need for under $5 for a classroom of 30. In this classroom experiment, you will use graph paper and petroleum jelly to "catch" particulate air...
By: TheGeekGroupNSI

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Tue, 6 Mar 2018 09:14:28 PST
Make Your Own Bioplastics! http://www.instructables.com/id/Make-Your-Own-Bioplastics/
Make Your Own Bioplastics! - More DIY How To Projects]]> https://cdn.instructables.com/FIG/LBB0/JDF27796/FIGLBB0JDF27796.SQUARE2.jpg https://cdn.instructables.com/FIG/LBB0/JDF27796/FIGLBB0JDF27796.SQUARE.jpg https://cdn.instructables.com/FIG/LBB0/JDF27796/FIGLBB0JDF27796.SMALL.jpg marialilokyee This is my first try to document a scientific research project in a maker online community to demonstrate how scientists can make use of this platform to facilitate their research and encourage collaborations. This is still an ongoing new material research project, so we welcome collaborations (if y...
By: marialilokyee

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Thu, 8 Feb 2018 19:08:32 PST
Inverted Sundial on My Balcony http://www.instructables.com/id/Inverted-Sundial-on-My-Balcony/
Inverted Sundial on My Balcony - More DIY How To Projects]]> https://cdn.instructables.com/FDJ/XHQR/JDCBUT29/FDJXHQRJDCBUT29.SQUARE2.jpg https://cdn.instructables.com/FDJ/XHQR/JDCBUT29/FDJXHQRJDCBUT29.SQUARE.jpg https://cdn.instructables.com/FDJ/XHQR/JDCBUT29/FDJXHQRJDCBUT29.SMALL.jpg JulienR29 I’m fascinated by sundials. I like their simplicity and the way they connect us with the universe. When I moved to this place with a south-facing balcony, I couldn’t resist to build a sundial on it.More precisely, I’ve built an inverted sundial. The point where we read the current time is fixed and ...
By: JulienR29

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Wed, 7 Feb 2018 11:55:45 PST
Cirkinemeter: Arduino-Based Circular Kinematics Platform http://www.instructables.com/id/Cirkinemeter-Arduino-Based-Circular-Kinematics-Pla/
Cirkinemeter: Arduino-Based Circular Kinematics Platform - More DIY How To Projects]]> https://cdn.instructables.com/FGT/CVMN/JDAKCLF7/FGTCVMNJDAKCLF7.SQUARE2.jpg https://cdn.instructables.com/FGT/CVMN/JDAKCLF7/FGTCVMNJDAKCLF7.SQUARE.jpg https://cdn.instructables.com/FGT/CVMN/JDAKCLF7/FGTCVMNJDAKCLF7.SMALL.jpg gearsngenes Hello! I'm BACK from a LONG hiatus!In this instructable, I introduce my newest DIY platform that can perform experiments on circular kinematics. It utilizes Arduino to measure centripetal acceleration and angular velocity. Additionally, it allows students to observe and measure the Coriolis force on...
By: gearsngenes

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Tue, 6 Feb 2018 04:44:42 PST
Astable Multivibrator Using 555 Timer | DIY | Step by Step http://www.instructables.com/id/Astable-Multivibrator-Using-555-Timer-DIY-Step-by-/
Astable Multivibrator Using 555 Timer | DIY | Step by Step - More DIY How To Projects]]> https://cdn.instructables.com/FLI/BK4U/JDAKFQ8P/FLIBK4UJDAKFQ8P.SQUARE2.jpg https://cdn.instructables.com/FLI/BK4U/JDAKFQ8P/FLIBK4UJDAKFQ8P.SQUARE.jpg https://cdn.instructables.com/FLI/BK4U/JDAKFQ8P/FLIBK4UJDAKFQ8P.SMALL.jpg afzalrehmani Hi Today Instructable is very simple and easy to build ASTABLE Multivibrator CircuitA Complete Step By Step Video Tutorial is also given in the video below.Astable Multivibrator mode of 555 timer IC is also called Free running or self-triggering mode. Unlike Monostable Multivibrator mode it doesn’t ...
By: afzalrehmani

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Tue, 6 Feb 2018 08:34:22 PST
Rubber Band Powered Boat http://www.instructables.com/id/Rubber-Band-Powered-Boat-1/
Rubber Band Powered Boat - More DIY How To Projects]]> https://cdn.instructables.com/F5T/76SR/JD0KB1EV/F5T76SRJD0KB1EV.SQUARE2.jpg https://cdn.instructables.com/F5T/76SR/JD0KB1EV/F5T76SRJD0KB1EV.SQUARE.jpg https://cdn.instructables.com/F5T/76SR/JD0KB1EV/F5T76SRJD0KB1EV.SMALL.jpg webstersDIY My name is Noah and I am a 7th grade student from Massachusetts and my school project was to build a boat that can travel 30 inches with a small ball on it. You could use any type of power, but I chose rubber bands because they are much less complex and also weigh less than other propulsion systems....
By: webstersDIY

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Tue, 30 Jan 2018 17:27:35 PST
Make a Radio Telescope With Raspberry Pi http://www.instructables.com/id/Make-a-Radio-Telescope-With-Raspberry-Pi/
Make a Radio Telescope With Raspberry Pi - More DIY How To Projects]]> https://cdn.instructables.com/F9L/CBHJ/JCKV0QF2/F9LCBHJJCKV0QF2.SQUARE2.jpg https://cdn.instructables.com/F9L/CBHJ/JCKV0QF2/F9LCBHJJCKV0QF2.SQUARE.jpg https://cdn.instructables.com/F9L/CBHJ/JCKV0QF2/F9LCBHJJCKV0QF2.SMALL.jpg ElectricSpace It is really easy to get an optical telescope. You can just buy one from a manufacturer of such telescopes. However, the same cannot really be said of radio telescopes. Usually, you have to make them yourself. In this Instructable, I will show how to build a radio telescope. Getting the Parts In ...
By: ElectricSpace

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Mon, 22 Jan 2018 07:32:43 PST
How to Make an Electric Motor http://www.instructables.com/id/How-to-Make-an-Electric-Motor-1/
How to Make an Electric Motor - More DIY How To Projects]]> https://cdn.instructables.com/F8L/E9PG/JCGK3AOL/F8LE9PGJCGK3AOL.SQUARE2.jpg https://cdn.instructables.com/F8L/E9PG/JCGK3AOL/F8LE9PGJCGK3AOL.SQUARE.jpg https://cdn.instructables.com/F8L/E9PG/JCGK3AOL/F8LE9PGJCGK3AOL.SMALL.jpg Techgenie When a current is passed through the wire, a magnetic field is generated around it. This principle is the basis of building electromagnets, motors and much more.In this Instructable, i decided to demonstrate this principle by performing a simple Experiment of making an Electric Motor at home. An ele...
By: Techgenie

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Tue, 16 Jan 2018 06:23:00 PST
Free TV! The Makings of a Frankenstein Antenna http://www.instructables.com/id/Free-TV-the-Makings-of-a-Frankenstine-Antenna/
Free TV! The Makings of a Frankenstein Antenna - More DIY How To Projects]]> https://cdn.instructables.com/FTB/YUKP/JCAUEZN7/FTBYUKPJCAUEZN7.SQUARE2.jpg https://cdn.instructables.com/FTB/YUKP/JCAUEZN7/FTBYUKPJCAUEZN7.SQUARE.jpg https://cdn.instructables.com/FTB/YUKP/JCAUEZN7/FTBYUKPJCAUEZN7.SMALL.jpg Born_to_build Shed (check), free energy (check), adjustable solar mount (check), free Tv (?). Okay, my task is still not complete. I need to be able to watch TV in my Shed-cave without the intrusion of the cable or satellite companies. A true off-the-grid grid experience means I need to tap into the OTA channels....
By: Born_to_build

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Fri, 12 Jan 2018 13:35:52 PST
Diy Electric Heated Insoles (usb Rechargeable) http://www.instructables.com/id/Diy-Electric-Heated-Insoles-usb-Rechargeable/
Diy Electric Heated Insoles (usb Rechargeable) - More DIY How To Projects]]> https://cdn.instructables.com/F9I/D5BS/JCAUDARQ/F9ID5BSJCAUDARQ.SQUARE2.jpg https://cdn.instructables.com/F9I/D5BS/JCAUDARQ/F9ID5BSJCAUDARQ.SQUARE.jpg https://cdn.instructables.com/F9I/D5BS/JCAUDARQ/F9ID5BSJCAUDARQ.SMALL.jpg parvgupta001 After viewing hand warmer my friend challenged me to make something that can keep his feet warm in snow and in daily use tooThus i am proud to present "DIY HEATED INSOLES"These insoles are very easy to make and a special focus is kept on their performance and the ease of getting the materials requir...
By: parvgupta001

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Fri, 12 Jan 2018 08:49:14 PST
S.P.E.E.D. Box http://www.instructables.com/id/SPEED-Box/
S.P.E.E.D. Box - More DIY How To Projects]]> https://cdn.instructables.com/FKR/Y0T9/JCAUTGT4/FKRY0T9JCAUTGT4.SQUARE2.jpg https://cdn.instructables.com/FKR/Y0T9/JCAUTGT4/FKRY0T9JCAUTGT4.SQUARE.jpg https://cdn.instructables.com/FKR/Y0T9/JCAUTGT4/FKRY0T9JCAUTGT4.SMALL.jpg TwistedToys One problem we have identified related to water is that people in underdeveloped countries only source of water is contaminated with bacteria. This bacteria can cause dissentary, which kills approximately 800,000 children per year.We have developed a self-contained, self powered box that uses electr...
By: TwistedToys

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Tue, 9 Jan 2018 04:15:17 PST
Dual Channel Transcranial Current Stimulator http://www.instructables.com/id/Dual-Channel-Transcranial-Current-Stimulator/
Dual Channel Transcranial Current Stimulator - More DIY How To Projects]]> https://cdn.instructables.com/FYF/8ZZS/JBWJYMZV/FYF8ZZSJBWJYMZV.SQUARE2.jpg https://cdn.instructables.com/FYF/8ZZS/JBWJYMZV/FYF8ZZSJBWJYMZV.SQUARE.jpg https://cdn.instructables.com/FYF/8ZZS/JBWJYMZV/FYF8ZZSJBWJYMZV.SMALL.jpg quicksilv3rflash This device was constructed as a result of the sponsorship of reddit user /u/nzt49.The instructable here is an extension of my previous work, "Transcranial Electrical Stimulator, Arduino Compatible", and uses two copies of the previously designed circuit board in order to produce a two-channel trans...
By: quicksilv3rflash

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Mon, 1 Jan 2018 19:38:21 PST
Peristaltic Pump http://www.instructables.com/id/Peristaltic-Pump/
Peristaltic Pump - More DIY How To Projects]]> https://cdn.instructables.com/FO0/3UF0/JBMJXHQG/FO03UF0JBMJXHQG.SQUARE2.jpg https://cdn.instructables.com/FO0/3UF0/JBMJXHQG/FO03UF0JBMJXHQG.SQUARE.jpg https://cdn.instructables.com/FO0/3UF0/JBMJXHQG/FO03UF0JBMJXHQG.SMALL.jpg Garagem Fab Lab This project was inspired by the Waag Society's Biohack Academy:https://biohackacademy.github.io/https://github.com/biohackacademyOne of the Biohack Academy's components is a peristaltic pump. This Instructable builds on the model provided by adding a couple of improvements and features. Step One:...
By: Garagem Fab Lab

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Tue, 26 Dec 2017 17:01:20 PST
BalloonSat Stabilization With Compressed CO2 http://www.instructables.com/id/BalloonSat-Stabilization-With-Compressed-CO2/
BalloonSat Stabilization With Compressed CO2 - More DIY How To Projects]]> https://cdn.instructables.com/F0K/6QAV/JBMJXM3D/F0K6QAVJBMJXM3D.SQUARE2.jpg https://cdn.instructables.com/F0K/6QAV/JBMJXM3D/F0K6QAVJBMJXM3D.SQUARE.jpg https://cdn.instructables.com/F0K/6QAV/JBMJXM3D/F0K6QAVJBMJXM3D.SMALL.jpg marlin_j Hi! I'm Marlin with Team Airheads, a group of 7 college kids (Marlin, Griffin, Alexa, Alec, Chesney, James, and Quentin) at University of Colorado Boulder. We like space, and we like to build things. Team Airheads’ mission is to design, build, and launch BalloonSat TAFF-E to reach the near-space ...
By: marlin_j

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Tue, 26 Dec 2017 18:45:16 PST
Ultrasonic Array http://www.instructables.com/id/Ultrasonic-Array/
Ultrasonic Array - More DIY How To Projects]]> https://cdn.instructables.com/F7R/C9OM/JB6URTMB/F7RC9OMJB6URTMB.SQUARE2.jpg https://cdn.instructables.com/F7R/C9OM/JB6URTMB/F7RC9OMJB6URTMB.SQUARE.jpg https://cdn.instructables.com/F7R/C9OM/JB6URTMB/F7RC9OMJB6URTMB.SMALL.jpg Asier Marzo In this project we will show you how to build a phased-array controller and a flat array of 8x8 elements. These systems can be used for acoustic levitation, haptic feedback or directional speakers.This is quite a complex project so I would recommend a little bit of knowledge on ultrasonics, computer...
By: Asier Marzo

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Mon, 18 Dec 2017 01:27:58 PST
DIY Car Crash Test to Show the Importance of Seat Belt & Air Bag http://www.instructables.com/id/SEAT-BELT-AIR-BAG-SAFETY-AWARNESS-USING-WASHING-SO/
DIY Car Crash Test to Show the Importance of Seat Belt & Air Bag - More DIY How To Projects]]> https://cdn.instructables.com/FBS/ZCMK/JASJPC1F/FBSZCMKJASJPC1F.SQUARE2.jpg https://cdn.instructables.com/FBS/ZCMK/JASJPC1F/FBSZCMKJASJPC1F.SQUARE.jpg https://cdn.instructables.com/FBS/ZCMK/JASJPC1F/FBSZCMKJASJPC1F.SMALL.jpg adhith94 Hello everyone..It’s been a while since I have published an article in instructables. Being a Mechanical engineering graduate I always watch car crash test videos by leading car manufactures where things are put to the limit and thus determining how much safe or how much catastrophic the damage is ...
By: adhith94

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Mon, 4 Dec 2017 09:08:32 PST
Ionizer Bike http://www.instructables.com/id/Ionizer-Bike/
Ionizer Bike - More DIY How To Projects]]> https://cdn.instructables.com/FF1/HFPT/JAMTZQSM/FF1HFPTJAMTZQSM.SQUARE2.jpg https://cdn.instructables.com/FF1/HFPT/JAMTZQSM/FF1HFPTJAMTZQSM.SQUARE.jpg https://cdn.instructables.com/FF1/HFPT/JAMTZQSM/FF1HFPTJAMTZQSM.SMALL.jpg Adamneareva Hi, In this page I will share with you my bike that can clean the air from pollution. The first thing you need is an air ionizer, choose a model that can fit in your handlebar, it's not important what kind of model because we have to modify it for saving space and maximize the airflow as much as...
By: Adamneareva

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Sun, 3 Dec 2017 11:02:37 PST
How to Make 18650 Battery Holder at Home http://www.instructables.com/id/How-to-Make-18650-Battery-Holder-at-Home/
How to Make 18650 Battery Holder at Home - More DIY How To Projects]]> https://cdn.instructables.com/FX1/FI9I/JAIJQCY1/FX1FI9IJAIJQCY1.SQUARE2.jpg https://cdn.instructables.com/FX1/FI9I/JAIJQCY1/FX1FI9IJAIJQCY1.SQUARE.jpg https://cdn.instructables.com/FX1/FI9I/JAIJQCY1/FX1FI9IJAIJQCY1.SMALL.jpg Techgenie Today, 18650 Li-ion cells are widely used in every day to day gadgets like mobile powerbanks, laptop batteries and much more. These cells are very useful and available in various different ampere ratings.However, to use these batteries in DIY projects, we need specific holders to connect the battery...
By: Techgenie

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Thu, 30 Nov 2017 06:48:03 PST
Galileino 1 - Hardware Simulator of Earth and Sun in Motion http://www.instructables.com/id/Galileino-1-Hardware-Simulator-of-Earth-and-Sun-in/
Galileino 1 - Hardware Simulator of Earth and Sun in Motion - More DIY How To Projects]]> https://cdn.instructables.com/FB6/IYBP/JAIJLAE9/FB6IYBPJAIJLAE9.SQUARE2.jpg https://cdn.instructables.com/FB6/IYBP/JAIJLAE9/FB6IYBPJAIJLAE9.SQUARE.jpg https://cdn.instructables.com/FB6/IYBP/JAIJLAE9/FB6IYBPJAIJLAE9.SMALL.jpg fcorsi Galileino 1 - Hardware simulator of Earth and Sun in motion Behind the idea of building a hardware emulator of the Earth rotating and revolving around the Sun there is the fact that software models, even when producing powerful and magnificent graphics scenarios on a screen, are somewhat ...
By: fcorsi

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Thu, 27 Apr 2017 01:50:10 PDT
Let's Build a Water Rocket That Can Fly 1000 Feet High! http://www.instructables.com/id/Lets-Build-a-Water-Rocket-That-Can-Fly-1000-Feet-H/
Let's Build a Water Rocket That Can Fly 1000 Feet High! - More DIY How To Projects]]> https://cdn.instructables.com/FVL/VOYU/JAIJL03N/FVLVOYUJAIJL03N.SQUARE2.jpg https://cdn.instructables.com/FVL/VOYU/JAIJL03N/FVLVOYUJAIJL03N.SQUARE.jpg https://cdn.instructables.com/FVL/VOYU/JAIJL03N/FVLVOYUJAIJL03N.SMALL.jpg RaketfuedRockets Water Rocketry is a relatively unknown but awesome hobby. Why? Because you are able to build really good performing rockets without any expensive equipment or tools. We are a small team of students from Germany who have been building water rockets for almost seven years now. In this long time, we ha...
By: RaketfuedRockets

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Tue, 28 Nov 2017 12:33:47 PST
Exposing Clover to Beta,Gamma and X-ray Radiation Compared to High Voltage. http://www.instructables.com/id/Exposing-Clover-to-BetaGamma-and-X-ray-Radiation-C/
Exposing Clover to Beta,Gamma and X-ray Radiation Compared to High Voltage. - More DIY How To Projects]]> https://cdn.instructables.com/FJP/O9RK/JACTUQYZ/FJPO9RKJACTUQYZ.SQUARE2.jpg https://cdn.instructables.com/FJP/O9RK/JACTUQYZ/FJPO9RKJACTUQYZ.SQUARE.jpg https://cdn.instructables.com/FJP/O9RK/JACTUQYZ/FJPO9RKJACTUQYZ.SMALL.jpg SHOE0007 Intro:Hello.....Here I am going to expose clover plants to Beta, Gamma and eventually X-rays which some are high energy while other are low energy to see if they will grow as seeds. Lead strips 1.0 mm thick when exposed to a potent gamma source converts 99% of the gamma into x-rays which can be test...
By: SHOE0007

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Sat, 25 Nov 2017 10:27:17 PST
A DIY Six-Color Transmitted-Light Spectrophotometer http://www.instructables.com/id/A-Mimimal-Six-Color-Transmitted-Light-Spectrophoto/
A DIY Six-Color Transmitted-Light Spectrophotometer - More DIY How To Projects]]> https://cdn.instructables.com/F8Y/XBJV/JASJW5OH/F8YXBJVJASJW5OH.SQUARE2.jpg https://cdn.instructables.com/F8Y/XBJV/JASJW5OH/F8YXBJVJASJW5OH.SQUARE.jpg https://cdn.instructables.com/F8Y/XBJV/JASJW5OH/F8YXBJVJASJW5OH.SMALL.jpg Dr H The AS726X Spectral Sensors from AMS do allow six channel spectrophotometry for the visible (AS7262, 430 - 680 nm) and near infrared (AS7263, 580 - 880 nm) ranges of the spectrum. SparkFun is now offering breakout boards for both sensors, which are available via Pimoroni and RS-online.In this config...
By: Dr H

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Sun, 19 Nov 2017 15:27:54 PST
Baking Soda Crystals http://www.instructables.com/id/Baking-Soda-Crystals/
Baking Soda Crystals - More DIY How To Projects]]> https://cdn.instructables.com/F0H/ZX7U/J9SVZ45K/F0HZX7UJ9SVZ45K.SQUARE2.jpg https://cdn.instructables.com/F0H/ZX7U/J9SVZ45K/F0HZX7UJ9SVZ45K.SQUARE.jpg https://cdn.instructables.com/F0H/ZX7U/J9SVZ45K/F0HZX7UJ9SVZ45K.SMALL.jpg KarenK116 A popular science experiment for children and adults is growing crystals at home. This process can show how crystals form in nature. These beautiful crystals can be grown using simple household products, such as baking soda, water and jars. AND the crystals will form starting within the first day ...
By: KarenK116

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Mon, 13 Nov 2017 07:29:51 PST
How to Bale Alfalfa http://www.instructables.com/id/How-to-Bale-Alfalfa/
How to Bale Alfalfa - More DIY How To Projects]]> https://cdn.instructables.com/FEH/MJ78/J9OW92CK/FEHMJ78J9OW92CK.SQUARE2.jpg https://cdn.instructables.com/FEH/MJ78/J9OW92CK/FEHMJ78J9OW92CK.SQUARE.jpg https://cdn.instructables.com/FEH/MJ78/J9OW92CK/FEHMJ78J9OW92CK.SMALL.jpg daltondegreef When working on a farm, there are many important things that someone needs to know how to do. If a person were to work on a farm and own cattle, baling alfalfa is usually a task every farmer has to do. It makes excellent feed for the cattle. Alfalfa is a flowering crop which is very important when c...
By: daltondegreef

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Tue, 7 Nov 2017 11:35:47 PST
Automated Variable Oxygen Chamber http://www.instructables.com/id/Automated-Variable-Oxygen-Chamber/
Automated Variable Oxygen Chamber - More DIY How To Projects]]> https://cdn.instructables.com/FHS/L5BF/J9OW4LL9/FHSL5BFJ9OW4LL9.SQUARE2.jpg https://cdn.instructables.com/FHS/L5BF/J9OW4LL9/FHSL5BFJ9OW4LL9.SQUARE.jpg https://cdn.instructables.com/FHS/L5BF/J9OW4LL9/FHSL5BFJ9OW4LL9.SMALL.jpg RyanM415 What can this device do?1. Mix air and nitrogen to produce a gaseous mixture with a specific oxygen percentage between 0% and 21% (hypoxia to normoxia) • This oxygen controller mixes air and nitrogen in a specific ratio. There is a feedback mechanism built in that utilizes an oxygen sensor to keep ...
By: RyanM415

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Mon, 6 Nov 2017 17:06:10 PST
3D Printed STEM Racers http://www.instructables.com/id/3D-Printed-STEM-Racers/
3D Printed STEM Racers - More DIY How To Projects]]> https://cdn.instructables.com/F10/AFF9/J9JFLFA1/F10AFF9J9JFLFA1.SQUARE2.jpg https://cdn.instructables.com/F10/AFF9/J9JFLFA1/F10AFF9J9JFLFA1.SQUARE.jpg https://cdn.instructables.com/F10/AFF9/J9JFLFA1/F10AFF9J9JFLFA1.SMALL.jpg Paige Russell These 3D printed STEM race cars are the perfect project based learning tool to help teachers get kids excited about science, technology, engineering, math, and nutrition to boot! The racers I show you how to make in this instructable will provide an opportunity to turn almost anything (no kittens or...
By: Paige Russell

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Fri, 3 Nov 2017 14:20:41 PDT
Homemade (lemon Juice) Battery! Powers Electric Buzzer and More! Lemon Battery - Easy DIY http://www.instructables.com/id/Homemade-lemon-Juice-Battery-Powers-Electric-Buzze/
Homemade (lemon Juice) Battery! Powers Electric Buzzer and More! Lemon Battery - Easy DIY - More DIY How To Projects]]> https://cdn.instructables.com/FND/BJ9U/J9JFNRPZ/FNDBJ9UJ9JFNRPZ.SQUARE2.jpg https://cdn.instructables.com/FND/BJ9U/J9JFNRPZ/FNDBJ9UJ9JFNRPZ.SQUARE.jpg https://cdn.instructables.com/FND/BJ9U/J9JFNRPZ/FNDBJ9UJ9JFNRPZ.SMALL.jpg desertsun02 in this instructable i'll show you how to make a lemon juice battery. as far as these homemade batteries go, it's probably the strongest. it powers buzzers, small leds/lights and even clocks. Watch instructional video... shows full build, along with it running all types of stuff. Read descript...
By: desertsun02

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Fri, 3 Nov 2017 10:09:56 PDT
How to Make an Electromagnet http://www.instructables.com/id/How-to-Make-an-Electromagnet-3/
How to Make an Electromagnet - More DIY How To Projects]]> https://cdn.instructables.com/FMY/0CMA/J9EH1NFK/FMY0CMAJ9EH1NFK.SQUARE2.jpg https://cdn.instructables.com/FMY/0CMA/J9EH1NFK/FMY0CMAJ9EH1NFK.SQUARE.jpg https://cdn.instructables.com/FMY/0CMA/J9EH1NFK/FMY0CMAJ9EH1NFK.SMALL.jpg NoskillsrequiredN An electromagnet is an electrical magnet and in this tutorial, i will show how you can make an electromagnetat home, or for a science project very easy no effort with common stuff in a reusable way and with things that arealready made just waiting to be discovered.An electromagnet is a type of magne...
By: NoskillsrequiredN

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Mon, 30 Oct 2017 11:58:11 PDT
Wrapping Surgical Tools for the Autoclave http://www.instructables.com/id/Wrapping-Surgical-Tools-for-the-Autoclave/
Wrapping Surgical Tools for the Autoclave - More DIY How To Projects]]> https://cdn.instructables.com/FS3/55HZ/J98RDHC6/FS355HZJ98RDHC6.SQUARE2.jpg https://cdn.instructables.com/FS3/55HZ/J98RDHC6/FS355HZJ98RDHC6.SQUARE.jpg https://cdn.instructables.com/FS3/55HZ/J98RDHC6/FS355HZJ98RDHC6.SMALL.jpg PaigeW27 I love the Christmas season. You get to spend time with family and receive presents! Who knew I could bring part of the Christmas festivities into my everyday job. I am talking about wrapping objects but I am not wrapping a toy, I am wrapping surgical instruments. It is so important to properly wrap...
By: PaigeW27

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Fri, 27 Oct 2017 10:21:01 PDT
Simple Classroom Water Filter http://www.instructables.com/id/Simple-Classroom-Water-Filter/
Simple Classroom Water Filter - More DIY How To Projects]]> https://cdn.instructables.com/F6Q/DDOR/J98R7X1A/F6QDDORJ98R7X1A.SQUARE2.jpg https://cdn.instructables.com/F6Q/DDOR/J98R7X1A/F6QDDORJ98R7X1A.SQUARE.jpg https://cdn.instructables.com/F6Q/DDOR/J98R7X1A/F6QDDORJ98R7X1A.SMALL.jpg dfiddler This instructable would be a great water filter to design with students especially those in upper elementary or middle school. The simple design of the filter will allow the user to filter out large and small particles as well as clear the water sample to some degree. I made this to show students ...
By: dfiddler

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Thu, 26 Oct 2017 13:28:17 PDT
Uber-Cheap Electroscope for Teaching http://www.instructables.com/id/Uber-Cheap-Electroscope-for-Teaching/
Uber-Cheap Electroscope for Teaching - More DIY How To Projects]]> https://cdn.instructables.com/FOZ/9JPM/J8YR7NTK/FOZ9JPMJ8YR7NTK.SQUARE2.jpg https://cdn.instructables.com/FOZ/9JPM/J8YR7NTK/FOZ9JPMJ8YR7NTK.SQUARE.jpg https://cdn.instructables.com/FOZ/9JPM/J8YR7NTK/FOZ9JPMJ8YR7NTK.SMALL.jpg Udon The easiest and most fascinating science instrument you can make from rubbish lying around is an electroscope.Basically, an electroscope is a device that visibly reacts in the presence of static charge by means of aluminium leaves that will spring apart.The working principle is based on the fact tha...
By: Udon

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Mon, 23 Oct 2017 09:53:58 PDT
Electroplating Nitinol for Soldering http://www.instructables.com/id/Electroplating-Nitinol-for-Soldering/
Electroplating Nitinol for Soldering - More DIY How To Projects]]> https://cdn.instructables.com/FIO/G7CB/J8YRBS46/FIOG7CBJ8YRBS46.SQUARE2.jpg https://cdn.instructables.com/FIO/G7CB/J8YRBS46/FIOG7CBJ8YRBS46.SQUARE.jpg https://cdn.instructables.com/FIO/G7CB/J8YRBS46/FIOG7CBJ8YRBS46.SMALL.jpg electricaveman Nickel titanium alloy or nitinol can be about impossible to solder to with out fancy fluxes or ultrasonic wave soldering equipment. One way to get around this to at least get an electrical connection is to plate it with a coat of copper. Mechanically, this coat of copper doesn't have quite enough st...
By: electricaveman

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Fri, 20 Oct 2017 12:28:37 PDT
Smartphone Schlieren - See Sound Waves http://www.instructables.com/id/Phone-Camera-Schlieren-Optical-Setup/
Smartphone Schlieren - See Sound Waves - More DIY How To Projects]]> https://cdn.instructables.com/FQK/U0K5/J8QGDJAZ/FQKU0K5J8QGDJAZ.SQUARE2.jpg https://cdn.instructables.com/FQK/U0K5/J8QGDJAZ/FQKU0K5J8QGDJAZ.SQUARE.jpg https://cdn.instructables.com/FQK/U0K5/J8QGDJAZ/FQKU0K5J8QGDJAZ.SMALL.jpg ThingEngineer See pressure waves created by sound waves with your phone in real time!The purpose of this instructable is to share a unique, low cost and sensitive Schlieren optical setup that does not require the use of a razor or edge in front of the camera lens.This setup was created with the primary intent to ...
By: ThingEngineer

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Sun, 15 Oct 2017 21:46:26 PDT
Simple DC Motor http://www.instructables.com/id/Simple-DC-Motor-1/
Simple DC Motor - More DIY How To Projects]]> https://cdn.instructables.com/FMV/IW7X/J8KGUOBB/FMVIW7XJ8KGUOBB.SQUARE2.jpg https://cdn.instructables.com/FMV/IW7X/J8KGUOBB/FMVIW7XJ8KGUOBB.SQUARE.jpg https://cdn.instructables.com/FMV/IW7X/J8KGUOBB/FMVIW7XJ8KGUOBB.SMALL.jpg VlastimilH Here I created simple DC motor that can be constructed with minimal amount of stuff that needs buying. Construction takes around 45 min. You do need good Power source as it is current hungry. I am using 12V lead acid rechargeable battery 12Amp.hr (smaller amp. hr. will work too).!!! Very important. ...
By: VlastimilH

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Tue, 10 Oct 2017 07:58:06 PDT
Bee Olfactory Conditioning Apparatus http://www.instructables.com/id/Bee-Olfactory-Conditioning-Apparatus/
Bee Olfactory Conditioning Apparatus - More DIY How To Projects]]> https://cdn.instructables.com/F1W/J2X6/J8F5P90M/F1WJ2X6J8F5P90M.SQUARE2.jpg https://cdn.instructables.com/F1W/J2X6/J8F5P90M/F1WJ2X6J8F5P90M.SQUARE.jpg https://cdn.instructables.com/F1W/J2X6/J8F5P90M/F1WJ2X6J8F5P90M.SMALL.jpg ljohann Honey bees are not only fascinating for providing honey and pollinating flowers, they are also a well-established model organism in many fields of research. When I was working at the University of Osnabrück, Germany, there were several bee hives in our institute. As a behavioral biologist with a str...
By: ljohann

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Fri, 6 Oct 2017 01:59:40 PDT
Helicone - Laser Cut http://www.instructables.com/id/Helicone-Laser-Cut/
Helicone - Laser Cut - More DIY How To Projects]]> https://cdn.instructables.com/FAJ/SEVR/J836CRRA/FAJSEVRJ836CRRA.SQUARE2.jpg https://cdn.instructables.com/FAJ/SEVR/J836CRRA/FAJSEVRJ836CRRA.SQUARE.jpg https://cdn.instructables.com/FAJ/SEVR/J836CRRA/FAJSEVRJ836CRRA.SMALL.jpg EdwardJ13 The Golden Ratio Project - Phyllotaxis on a Laser CutterIn my Geometry Honors class last year, we completed a PBL on the Golden Ratio. In the intoduction to the project, I showed my students different examples of the Golden Ratio. One of the most popular examples was the Helicone by PlayableArt an...
By: EdwardJ13

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Wed, 27 Sep 2017 14:51:47 PDT
Magnetic Fluid http://www.instructables.com/id/Magnetic-Fluid/
Magnetic Fluid - More DIY How To Projects]]> https://cdn.instructables.com/FZ2/6UEL/J7UR78GU/FZ26UELJ7UR78GU.SQUARE2.jpg https://cdn.instructables.com/FZ2/6UEL/J7UR78GU/FZ26UELJ7UR78GU.SQUARE.jpg https://cdn.instructables.com/FZ2/6UEL/J7UR78GU/FZ26UELJ7UR78GU.SMALL.jpg Technopolis STREAM *-* This Instructable is in English. Please click here for the Dutch version, *-* Deze Instructable is in het Engels. Klik hier voor de Nederlandse versie.Did you ever see a ‘magnetic fluid’? Some kind of metal-looking fluid that gets spiky when near a magnet? Here you’ll find instructions to make a...
By: Technopolis STREAM

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Mon, 25 Sep 2017 03:29:57 PDT
Standing Gel Electrophoresis Chamber http://www.instructables.com/id/Standing-Electrophoresis-Chamber/
Standing Gel Electrophoresis Chamber - More DIY How To Projects]]> https://cdn.instructables.com/FAB/PDOR/J7UR4TZ0/FABPDORJ7UR4TZ0.SQUARE2.jpg https://cdn.instructables.com/FAB/PDOR/J7UR4TZ0/FABPDORJ7UR4TZ0.SQUARE.jpg https://cdn.instructables.com/FAB/PDOR/J7UR4TZ0/FABPDORJ7UR4TZ0.SMALL.jpg Fibulas We want to make a electrophoresis chamber with the following features:1. Use blue light instead of UV to trigger the fluorescence of the dye.2. Stands on the bench with adjustable angle so it is easy to view.3. Magnetic hinge that won't break.4. There is no fog on the observation window.5. Power con...
By: Fibulas

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Sun, 24 Sep 2017 13:39:35 PDT
Atomic Fidget Spinner http://www.instructables.com/id/Atomic-Fidget-Spinner-3/
Atomic Fidget Spinner - More DIY How To Projects]]> https://cdn.instructables.com/F65/GNST/J7QGNRU4/F65GNSTJ7QGNRU4.SQUARE2.jpg https://cdn.instructables.com/F65/GNST/J7QGNRU4/F65GNSTJ7QGNRU4.SQUARE.jpg https://cdn.instructables.com/F65/GNST/J7QGNRU4/F65GNSTJ7QGNRU4.SMALL.jpg Zirondelle76 During our study of Physics, I like to give my students a concrete idea of the parts of the atom. Using just 15 pieces of LEGO, we built fidget spinners that demonstrate how the protons and neutrons stay together in the nucleus of the atom, while the electron spins around it. We also talk about th...
By: Zirondelle76

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Wed, 20 Sep 2017 13:12:27 PDT