We are pleased to present below all posts archived in 'May 2010'. If you still can't find what you are looking for, try using the search box.
Battery powered cars are a hot topic and widely debated. The pros, cons, issues and time frames can be talked about endlessly. An article by the Telegraph looks at some of the issues in an A to Z format... read more..
The mobile phone was born in 1973. They were the size of a brick and weighed a couple of kg, making them difficult to fit into your pocket. At a few thousand pounds each not may could afford them. Batte... read more..
Bored at work and would rather be playing trump card game with you son. The next best thing (or not) maybe the online cable trump card game from AEI Cables. read more..
The European Union is implementing a voluntary code of practice for participants with the aim of improving the overall efficiency of data centres. As part of this initiative the 2010 Best Practices Guid... read more..
The inventor of the first visible light-emitting diode makes history again this year as it begins to show customers a 40-watt replacement GE Energy Smart® LED bulb available later this year or early... read more..
It starts with me reading one of the Horrible History books with my son (Groovy Greeks). Arrows were mentioned which lead to the discussion of the bodkin arrow head. To show him how much work was requir... read more..
The robot folding towels post below was interesting enough at the time to post a link. Recently I’ve come across a couple of other interesting videos which demonstrate the abilities of some rob... read more..
Have an opinion or something to say, want to ask or answer questions, share your knowledge then use our site to do it . As a community of people interested in electrical engineering and related topic... read more..
This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...
Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...
Control theory looks at how systems work and are controlled from a mathematical view. This note gives a brief introduction to some of the concepts – more...
When making adding a Note to our site we have a great online WYSIWYG editor and things are pretty simple. However, if you prefer you can write, manage...
I've recently come across this question a couple times browsing the internet. Decided to give a quick answer here. A rectifier transformer is a transformer...
I was digging in my bookshelf and came across the 80th Anniversary Association of Mine Resident Engineers, Papers and Discussions Commemorative Edition...
Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...
When sizing cables, the heat generated by losses within any sheath or armour need to be evaluated. When significant, it becomes a factor to be considered...
At the beginning of the year China put the world's first 1,000 kV UHV transmission system into operation. Transmitting power at over a million volts is...
In three phase systems, the use of transformers with three windings (or legs) per side is common. These three windings are often connected in delta or...
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