Is it better to turn a light off every time you leave a room, or leave it on if you’ll be coming back to the room shortly?

If you’re into energy conservation, or trying to cut your home energy bills, you have probably asked yourself this question. And chances are you have accepted the conventional wisdom, that it i (more…)

Miniaturised ceramic sesors, originally developed for the European Space Agengy(ESA). find increasing applications here on earth;in medical analysis , sports training and even environmental protection…………………

It all began in 1993 when the institute of Space Systems(IRS) of the University of Stuttgart started to develop special ceramic gas sensors to measure re-entry conditions for spacegraf (more…)