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Torch made from coke can and cereal box.

Torch made from coke can and cereal box.
Do we always have to throw everything away? The torch project below looks at how we can transform materials that we would normally consider as waste, and makes them into a functional everyday product. Hopefully it shows that we don't always have to go to the shops. What’s needed for this project Hopefully most of the parts you’ll find in your kitchen cupboards 1 Torch bulb (Standard – NOT threaded) 2 AA (R6) Batteries or 2No C (R14) Batteries. Related:  CircuitsUn jour, peut-être ?

How To Make A Cardboard Switch Position the paper clip centrally on the cardboard. Poke one paper fastener through one end of the paper clip and through the cardboard. Push the fastener all the way down through the cardboard and open the prongs underneath. Position the second paper fastener so that the other end of the paper clip touches it. and push the paper fastener into the cardboard, opening out the prongs underneath. of both fasteners are not touching each other. The switch is finished! Here it is open (off) and closed (on) Note: to use the switch, turn the cardboard upside downand wind the ends of the wire around the prongs. Tape down to secure.

[Diy] L’envol des grues Ce mois-ci, un bien joli projet s’est déroulé quotidiennement grâce à Clémentine du blog Clémentine la Mandarine et à Natasha du blog Echos Verts : le challenge « fabriquer de jolis cadeaux de Noël utiles et écolos ». Objectif : réunir 30 idées de réalisations à faire soi-même pour vivre Noël autrement, s’éloigner des incitations outrancières à la consommation, prendre du temps pour soi et pour les autres, faire plaisir avec des choses simples, renouer avec le fait maison. Faire avec ce que l’on a sous la main, simplement. Aujourd’hui, c’est à mon tour de vous présenter ma réalisation. Suspension en origami, installée en tête de lit Cela faisait longtemps que j’avais envie de le faire, ce challenge m’en a donné l’occasion : un mobile en origami pour la chambre des enfants. La grue, célèbre figure de l’origami Pour réaliser un mobile de ce type il vous faut : 1) Du papier Guirlande de grues en pages de livre [source] 2) Un support à suspendre Trois petites branches pour accrocher les guirlandes

Science Party Way back in September, when the sun still shone warmly upon us, Emily had a birthday party. And it seems that the days of princesses and fairytales are behind us, at least for this 10-year-old. Apparently, Science is the new Cinderella.And all playdates now involve Science experiments. As do Halloween costumes. As we were saying before I so rudely interrupted myself, Emily wanted a mainly Chemistry-type party. Very dramatic. And so it began. Our guests, upon arrival, were invited to blow unbreakable bubbles and bounce them with gloved hands. Then we had lunch. Also ice cream pie. And the presents - more of the -bah - non-Physics variety. Which brought an end to the first half of the party. The second half of the party was The Lab Experience. which was set up with 16 chairs around 3 tables, on which were apparatus and concoctions for various experiments. Everyone got a disposable aluminum tray for mess-containment, plastic cups, straws, paper plates, forks, popsicle sticks and instructions.

Kit Petit déjeuner à offrir {Challenge de Noël} Hello tout le monde ! J'espère que vous allez bien. Je ne suis pas hyper présente en ce moment, que voulez-vous, je rentre dans ma grotte pour commencer à réviser mes examens pré-Noël :( Mais aujourd'hui, je n'aurais manqué mon article pour rien au monde parce que c'est le jour de la publication de mon modeste DIY dans le cadre de ma participation au challenge Fabriquer de jolis cadeaux de Noël utiles et écologiques organisé par Natasha du blog Echos Verts et Clémentine du blog Clémentine La Mandarine ! Quand Natasha m'a proposé de participer, j'ai sauté de joie sur l'occasion (oui oui, tout en même temps). Ca faisait un bon moment que je réfléchissais à des idées de cadeaux sympas faits maison, alors ce challenge m'a donné d'une part l'occasion de me creuser un peu la tête pour vous proposer quelque chose de sympa et d'autre part parce que j'ai pu voir un mois de magnifiques créations. Merci au passage à toutes les blogueuses participantes, je vais m'inspirer de vos merveilles ! 1. 2.

Oakland Discovery Center: flat flashlight Materials: • 3v lithium button battery ( we got ours from item # 40919) • copper tape (found in the gardening section of hardware stores as an anti snail/ slug product or alternatively in 1/4'' form on amazon ) • wide popsicle stick (tongue depressor) Tools: Scissors The first step is to put a long strip of copper tape down the length of the popsicle stick with enough extra to wrap about 1'' to the other side like so. Place your button battery on to the piece of copper tape you wrapped over the end of the stick with the positive side up. Tape the battery and battery contact in place with electrical tape. Heres the flashlight with the switch open and the led in place. Here the switch is closed and the light on. Heres the final flashlight with the battery and led taped in place. This is a slightly modified version using an ultra bright led and a cup with wax paper as a diffuser. Here's a video of the flashlight working during the day and in the dark:

Clavier Rubik's Cube Ou plutot, Rubik's Cube Clavier ! Une petite variation de rubik's cube très sympathique, et pas trop difficile à créer. Car il suffit de se munir d'un vieux clavier et de récupérer les touches ! Le résultat est très design : Ici il s'agit d'un clavier QWERTY, les touches, autres que les lettres sont les 9 chiffres du pavé numérique ainsi que les touches Inser, Suppr, Fin, etc. Reste plus qu'à mémoriser un clavier par cœur, et hop ! Via : … s-teclado/ Annonces sponsorisées : Glow Bike This project first appeared in MAKE Volume 38, on pages 68-71. Bike lights and reflective tape are the common go-to’s for night riding, but why not go further and make your bicycle frame glow? About three years ago, Vancouver Hack Space member Luke Closs decided to put electroluminescent wire (EL wire) on his bike, mostly because he thought it would look cool — but also for the added benefit of bicycle visibility. After making a few prototype kits, Luke decided he wanted to see hundreds of Glow Bikes in the city. Back then, soldering your own inverter to the EL was the only way to make it glow. With the Starter Pack kit, you can wrap your bike in glowing EL wire in minutes — but what if you want the glow to cross over to your handlebars, front fork, a bike trailer, or any other part of the bike that flexes? I encourage you to make your own Glow Bike and tell your friends as well. What Is EL Wire? Tips on Batteries and Drivers Alkaline batteries provide 1.5V, so 8 of them yield 12V.

untitled DIY LED Glow Stick Glow sticks are always awesome .From Concert to campfire,child to old people all love the Glow Stick.Glow Stick s a self-contained, short-term light-source.It was invented backs in the 90's around 1965.Basically Glow Stick consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence, so it does not require an external energy source.The light cannot be turned off, and can be used only once. I Always wanted to make My Own Glow Stick . So I made a led One to have the fun with it also the glow stick Could gave me opportunity to click some cool light trails photographs But this one will use led for giving the effect,so you can turn it on and off anytime you want. Advantages of LED Glow Stick Since its electronic, potential danger ,due to the spilling of chemicals in chemical glow sticks, is absent It is cheap and easy to make at home Can be reused only changing battery will be required. So lets make one :)

3D Printed '28 Geared Cube' runs autonomously now Jun.3, 2013 Back in April Alexander Maund designed a 3D printed Steampunk geared cube which was printed fully assembled by Shapeways. This original design consists of a cube with 28 gears, on each of 4 sides of the cube are 7 gears. Maund has now made this '28-Geared Cube' autonomous using a 6 volt battery, 6 volt geared motor, reed switch and small magnet, small length of stiff wire, piece of fibreglass sheet, some Kevlar thread, couple of washers and some electrical wire. When the small magnet is placed near the reed switch, the motor starts which rotates just 1 gear which rotates all 28 gears. "This design is a proof of concept and test of 3D printing's ability to print complex mechanical objects in 1 print with no assembly required (what you see is how it left the 3D printer, with all the mechanical parts working as one piece) by printing a complex cube housing 28 gears." writes Maund. Watch the video below "Motor Powered 3D Printed '28 Geared Cube' - Printed Fully Assembled".

The Tinkering Studio Recently, we had a workshop in the learning studio with some folks from the MIT media lab, to help them test an experimental extension of Scratch. It is part of the Scrach X project, and it uses arduino-based hardware and a modified version of scratch to control different inputs and outputs, like motors, switches and lights. Ryan and I were trying to program a light show when our computer crashed, and we had to improvise. Since we couldn't use a computer to program our lights to turn on and off, we decided to try using mechanical switches and a spinning platform to create a looping program. Our contraption looks pretty complicated, but if you watch closely, you can see it has several home-made switches that turn colored lights on and off as the platform spins around on a slow moving motor. This experiment got us thinking, how far can you push mechanical switches? Getting a light to blink on and off seemed like a good starting point, so the first record I made runs a blink program.

Capacitors Favorited Favorite 6 Introduction A capacitor is a two-terminal, electrical component. Along with resistors and inductors, they are one of the most fundamental passive components we use. You would have to look very hard to find a circuit which didn’t have a capacitor in it. What makes capacitors special is their ability to store energy; they’re like a fully charged electric battery. Covered in this Tutorial In this tutorial, we’ll be examining all sorts of capacitor-related topics, including: How a capacitor is madeHow a capacitor worksUnits of capacitanceTypes of capacitorsHow to recognize capacitorsHow capacitance combines in series and parallelCommon capacitor applications Suggested Reading Some of the concepts in this tutorial build on previous electronics knowledge. Symbols and Units Circuit Symbols There are two common ways to draw a capacitor in a schematic. Each capacitor should be accompanied by a name – C1, C2, etc.. – and a value. Capacitance Units Capacitor Theory Calculating Current

Switch Basics Favorited Favorite 3 Introduction One of the most elementary and easy-to-overlook circuit component is the switch. Switches don’t require any fancy equations to evaluate. All they do is select between an open circuit and a short circuit. Simple. Covered in This Tutorial Momentary vs. Suggested Reading Before diving into this tutorial, make sure you’re up to snuff on the most basic of electronics knowledge. What is a Switch? A switch is a component which controls the open-ness or closed-ness of an electric circuit. A switch can only exist in one of two states: open or closed. In the on state, a switch acts just like a piece of perfectly-conducting wire. A circuit diagram with an LED, resistor, and a switch. There are tons and tons of switches out there: toggle, rotary, DIP, push-button, rocker, membrane, … the list just goes on and on. Defining Characteristics Actuation Method In order to change from one state to another, a switch must be actuated. Some examples of switch types. Momentary vs.