Photo Voltic Cells (Solar Pane...

Jun 8, 2012 by

Solar cells, or photovoltaic cells, convert energy from sunlight into electricity… but how? What principles lie behind this technology?

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We are Stardust …

Feb 28, 2012 by

We are Stardust … the chemical elements that make up our bodies, originated, with one exception, in the turbulent body of a star

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How does an Atomic Clock Work ...

Jan 17, 2012 by

The most accurate time piece today is an Atomic Clock. But how does it work & what’s the theory behind it ?

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The Origin of the Yard and Met...

Sep 16, 2011 by

How many of us have a foot a foot long ?
What are the origins of some of the measurements we use today.

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Ground Source Heat Pumps

Apr 24, 2011 by

My parents are building a new house and my Father ever keen to try out new ideas is installing a Ground Source heat pump which promises to supply most if not all the heating required for the new house without drawing ANY energy from the European Grid!

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