Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...

Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.

Reading is a bit of a hobby of mine and I"ve done a few off-topic posts in the past on this. Rather than continue doing the occasional post I thought ...

Visitors who like to type web address rather then click menus may be interested in how our URL structure works.

Two driverless and solar power vans have departed from Italy on their way to China via the silk road. During the 13,000 kM trip the vans will drive themselves...

Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...