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Suggestions de solutions écologiques

M. Denis Bloud on August 1, 2007 | 1075 Views

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When a LED is only mechanical and time simply relative!

Pippa Rojo on October 1, 2008 | 751 Views
The University of Cambridge college Corpus Christi has just unveiled a very different type of clock. It appears to use the latest in electronics but is in essence purely mechanical ...

EARTHING IN INDUSTRIAL ELECTRICAL POWER SYSTEMS: Myths and Facts

Gaurav Pandey on July 22, 2008 | 1503 Views
Myth: More water, less resistance; It is observed that in some installations, to bring down the earth resistance value, buckets and buckets of water is poured into the earth pit ...

ALF: Accuracy Limiting Factor

Gaurav Pandey on July 22, 2008 | 1208 Views
Accuracy Limiting Factor a very important term for Electrical Design Engineers but unfortunately, not much attention is paid to this factor. This term is associated with Protection Current Transformer. Actually ...

The enabling effect of ICT

Philippa Martin-King on June 23, 2008 | 1076 Views
"When it comes to emissions, ICT is on a par with aviation." That's how the Economist has described Information & Communication Technology in a recent article. They go on: "In ...

My Lab-Grown Hamburger

Kristen Lee on May 22, 2008 | 1118 Views
I have felt this guilt on many occasions. It's hard to play innocent when you understand the toll that carnivorous people (such as myself) have on the environment. But ...

Carbon Credits: Credit Where It's Not Due

Kristen Lee on May 9, 2008 | 1301 Views
Yesterday I submitted a blogpost to Matter Network (.com) based on my experience at a fundraiser luncheon for International Rivers. Several speakers presented on an issue surrounding carbon offset trading ...

The mega future of nanotechnology in practical terms

Pippa Rojo on February 28, 2008 | 1203 Views
So small and scientific, it can't possibly apply to me! That's where we find we're wrong. There are already a multitude of applications being developed and, according ...

Need of an Electrical Definition to the Height of a Building?

Jameskutty Thomas on February 19, 2008 | 1173 Views
Could we suggest an Electrical Definition to the Height of a Building? Back Ground The Indian statutes are defining a Multistoried Building/High Rise Buildings as one having a height ...

United Nations - new environmental publications

Pippa Rojo on November 21, 2007 | 1039 Views
You can view a list of new United Nations publications that have a focus on environmental law on this page . The UNEP (United Nations Environment Programme) Handbook for Drafting Laws ...

Hand-dryer v paper towel v linen towel

Brian McAuliffe on October 11, 2007 | 1357 Views
So which is best ? Hand dryer - uses elctricity right in front of you Paper Towel - how much is used in those great big induction heaters that the paper mill uses ...

The amazing power quality teaching toy

Hans De Keulenaer on September 21, 2007 | 1431 Views
The PQ teaching toy is a hobby of Alex McEachern spun out of control. This freely downloadable tool allows users to visualise fundamental and reactive power flows or wave forms ...

Si un jour, un enfant...

Françoise Rauser on July 27, 2007 | 1162 Views
Et si un jour,  un enfant vous demandait :  « Dis, tu m’emmènes au parc ? ». Et si, spontanément ce jour-là, au  lieu de l’entraîner au parc zoologique ...

Europe grows ever thirstier for electricity

Jonathan Buck on July 20, 2007 | 1028 Views
According to the European Commission's Institute for environment and Sustainability, electricity consumption in Europe continues to grow despite the energy efficiency  polices and programmes. For 1999-2004, total electricity consumption ...

Technology: the solution or the problem?

Dennis Brougham on June 26, 2007 | 918 Views
Historically, we (the occidental peoples) see Earth as an inamimate rock upon which we live. Perhaps we instead ought to try looking at Earth as an organism that hosts us ...