The microhydro plant My little paradise has a stream that provides enough water flow and head to run a small turbine, to provide electricity to my home. While writing this, the microhydro plant is being implemented, and here are some photos of the process. Since I usually like to start at the end, the first thing I built is the controller: It is an implementation of Jan Portegijs' "Humming Bird", with some changes and adaptations. The largest cost of the plant, by far, is in the piping for the rather long penstock. A smaller number of pipes were stored closer to the turbine site. Only for the last part of the run, where the pressure exceeds 2 bar, I will use blue class 4 PVC pipe. To change from the low slope run of the white pipe to the much steeper run of the blue one, a change of direction is required. My neighbor Gabriel and his son took the hard work of digging the channel. The open channel has a rounded cross section and runs with a very small slope. The flat area is where the forebay will be built.
Formation informatique technique: x41-tech.com Latency is Everywhere and it Costs You Sales - How to Crush it | Update 8: The Cost of Latency by James Hamilton. James summarizing some latency info from Steve Souder, Greg Linden, and Marissa Mayer. Speed [is] an undervalued and under-discussed asset on the web. Update 7: How do you know when you need more memcache servers?. Latency matters. The Amazon results were reported by Greg Linden in his presentation Make Data Useful. The less interactive a site becomes the more likely users are to click away and do something else. I wondered if latency went to zero if sales would be infinite? How do we recover that which is most meaningful--sales--and build low-latency systems? I'm excited that the topic of latency came up. Latency Defined Latency Explained The best explanation of latency I've ever read is still It's the Latency, Stupid by admitted network wizard Stuart Cheshire. I like the parallel with sharding in this observation. Sources of Latency
Blogging Mistakes: Final List Blogging Mistakes: Final List by Daniel Scocco This is the final list of entries for the blog project “Blogging Mistakes”. We had 48 blogs participating on the project, hopefully we will learn from those mistakes and avoid them on the future. I was thinking that people would mention the same blogging mistakes over and over again, but that was not the case so make sure to check all the entries! Every participant should now publish a post containing a link to all the entries (feel free to add comments, change the order and the like). Wanna make money with your own website? Related Posts Share Sign-up To The Newsletter And Get A Free eBook Sign-up to the Daily Blog Tips newsletter and you will be able to download the "Make Money Blogging" eBook for free (worth $47). 79 Responses to “Blogging Mistakes: Final List” Jimbo on April 2, 2007 4:22 am Cheers, Daniel. Categories Sponsors Popular Articles
Error Goblin & Overclock Your Reading Speed This is a guest post from Kim Roach of The Optimized Life. In today’s Information Age, reading is now a prerequisite for success in life. In fact, many presidents, including Kennedy, have required their staff to take speed reading lessons. Brian Tracy, a best-selling author, points out that just 1 hour per day of reading will make you an international expert in your chosen field within 7 years. If you’re looking to increase your learning rate while decreasing your effort, speed reading is a method you should consider studying. The Brain’s Power Speed reading actually began as part of military training to identify enemy war planes. But what was interesting about this method of military training is that it began to unveil the idea that the brain could process more things visually than was previously thought. What many people don’t realize is that the mind becomes bored when it’s not constantly stimulated. 1. In fact, I would suggest skipping parts of a book that you don’t need. 2. 3. 4. 5.
Un Notebook ou PC portable reconditionné ? lisez cet article qui vous donne toutes les clés d'un bon achat ! :: MyCompaRecycle H1 – PC reconditionné - Définition et historique H2 – Définition L’expression « reconditionnement d’un PC » regroupe des interventions dont le but est de le remettre dans un état de fonctionnement optimal et de prolonger la durée de son utilisation. Le marché du PC reconditionné se divise en 2 catégories : 1. 2. H2 – Historique Les racines historiques du PC reconditionné sont récentes. Ces directives ont été mises en application en France par le décret n° 2005-829 du 20/07/2005. Dans le domaine du recyclage et du reconditionnement des produits électriques et électroniques, le site « comparecycle.com » apporte la formule la plus souple, la plus originale et la plus bénéfique pour les consommateurs de produits High Tech. Droit d’auteur protégé par les articles L. 111-1 et L. 123-1, du code de la propriété intellectuelle. Title : PC reconditionné – Les acteurs - Comparecycle H1 – PC reconditionné - Les acteurs H2 – Les propriétaires donneurs 1. 2.
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