Electronic Circuits

you knew i was going to make one. they are all over pinterest....(i still am not signed up for pinterest because i don't have time for one more thing but browsing is fun!) so we made one. i took a box of 64 crayons and took out the blacks and browns.i used another small box and doubled up on the good colors i liked and hot glued them to the top of our canvas. then we turned our blow dryer to hot on high. not long after you set the hair dryer by the crayons they get shiny and then the wax starts to melt! and it dries really quickly too. seriously. what could be happier than this?? GREAT project. loved it today is the first FULL day with ALL my kids in ALL day school.yeah...i am smiling as i type that. it's good. it's quiet. i am rockin' it. removing wallpaper.....making code for craft weekend stuff.....doing my hair....going to lunch..... it's all good. hooray for school!

ORIENTATELECOS: Buenas salidas profesionales de la Ingeniería de Telecomunicación Hace poco se ha publicado en la prensa los resultados de un informe del Grupo Adecco sobre las carreras con más salidas profesionales, si bien la información que ha aparecido en los medios ha sido un poco confusa e incluso puede llevar a errores en la interpretación de los datos. La semana pasada comentaba esta cuestión con Juan Carlos Aguado (también profesor de la ETSIT-UVa), y precisamente ha sido él quien me ha animado a escribir esta entrada y quien me ha facilitado los datos que muestro. ¿Qué conclusiones se pueden sacar con respecto a Teleco? La segunda figura muestra la distribución de la oferta de puestos de trabajo por Comunidades Autónomas en los años 2009 y 2010. En cualquier caso, hay que tener en cuenta varias cosas.

Tesla polyphase induction motors : AC MOTORS Most AC motors are induction motors. Induction motors are favored due to their ruggedness and simplicity. In fact, 90% of industrial motors are induction motors. Nikola Tesla conceived the basic principals of the polyphase induction motor in 1883, and had a half horsepower (400 watt) model by 1888. Most large ( > 1 hp or 1 kW) industrial motors are poly-phase induction motors. Construction An induction motor is composed of a rotor, known as an armature, and a stator containing windings connected to a poly-phase energy source as shown in Figure below. Tesla polyphase induction motor. The stator in Figure above is wound with pairs of coils corresponding to the phases of electrical energy available. The stator in Figure above has salient, obvious protruding poles, as used on Tesla's early induction motor. Stator frame showing slots for windings. The stator laminations are thin insulated rings with slots punched from sheets of electrical grade steel. Theory of operation Motor speed Example:

Basic Electronics {*style: Get a quick start by scrolling down to the introduction below this menu table. Basic Electronics - Course Table You are at the best, free online "Basic Electronics Course". {*style:Maybe you already know some basic electronics and want to test yourself to see exactly how much you do know. *} {*style:Explanation of AC and DC currents. *} {*style: P - I*V *} {*style:Watch the video . If you don't have a clue as to what electrical current and voltage are - read on. DC Theory Part 1 - DC Theory part 2 {*style: *} More book recommendations. There is another (and less expensive and practical) method of learning basic electronics. It is hands-on by doing simple projects. Get the MAKE: Electronics (Learn By Discovery) book below. You will also need some electronic parts available from Radio Shack or a good junk box. {*style:Combined resistance of two resistors in parallel: *} Black Brown Red

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50 Life Hacks to Simplify your World Life hacks are little ways to make our lives easier. These low-budget tips and trick can help you organize and de-clutter space; prolong and preserve your products; or teach you something (e.g., tie a full Windsor) that you simply did not know before. Most of these came from a great post on tumblr. 20. 40. Sources – muxedo task: 99 Life Hacks to make your life easier! If you enjoyed this post, the Sifter highly recommends:

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Think ..."Some time ago I received a call from a colleague. He was about to give a student a zero for his answer to a physics question, while the student claimed a perfect score. The instructor and the student agreed to an impartial arbiter, and I was selected. The student had answered, "Take the barometer to the top of the building, attach a long rope to it, lower it to the street, and then bring the rope up, measuring the length of the rope. The student really had a strong case for full credit since he had really answered the question completely and correctly! I suggested that the student have another try. In the next minute, he dashed off his answer which read: "Take the barometer to the top of the building and lean over the edge of the roof. At this point, I asked my colleague if he would give up. "Well," said the student, "there are many ways of getting the height of a tall building with the aid of a barometer. "Fine," I said, "and others?" "A very direct method." "Of course.

Beauty Of Nature: 100 Brilliant Examples Of Bird Photography Bird photography is one of the most challenging types of nature photography, but remains an incredibly popular hobby for many people. The subject is usually small, may not stay still, moves rapidly from branch to branch, sits in less than favourable lighting conditions and is extremely aware of an approaching photographer. Tricky! Examples and Inspiration Tips & Resources for Bird Photography Practice on Your Pet! Home is where the heart is, and there’s certainly something to be said for starting out photographing your own pet. Let Nature Come to You Keep your distance, stay still, and play the waiting game. Continuous Shutter This one might go without saying, but using a continuous shutter is a great technique to practice when shooting a subject that’s liable to move quickly. Other Resources Be sure to check out a few of these other articles and tips for perfecting your bird photography technique! Backyard Bird Photography Bird Photography Tips Nigel Blake’s Blog

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37 Data-ish Blogs You Should Know About You might not know it, but there are actually a ton of data and visualization blogs out there. I'm a bit of a feed addict subscribing to just about anything with a chart or a mention of statistics on it (and naturally have to do some feed-cleaning every now and then). In a follow up to my short list last year, here are the data-ish blogs, some old and some new, that continue to post interesting stuff. Data and Statistics By the Numbers - Column from The New York Times visual Op-ed columnist, Charles Blow, who also used to be NYT's graphics director.Data Mining - Matthew Hurst, scientist at Microsoft's MSN, also the co-creator of BlogPulse.Statistical Modeling - We might disagree on certain things, but Andrew's blog is one of the few active pure statistics blogs.The Numbers Guy - Data-minded reporting from Carl Bialik of the Wall Street Journal.Basketball Geek - Like statistical analysis and basketball? Statistical/Analytical Visualization Maps Design & Infographics Others Worth Noting