Gold Stained Glass Windows An Early Air Purifier

Gold Stained Glass Windows An Early Air Purifier 

 Associate Professor Zhu Huai Yong, from Queensland University of Technology’s School of Physical and Chemical Sciences, said that church windows stained with gold paint purify the air when they are lit up by sunlight.

Scientists have discovered that, in medieval churches, stained glass windows painted with gold purify the air when heated by the sun. The researchers hope that this discovery could also be used for modern technologies, since the chemical reaction involved is very energy-efficient.

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Thermoelectric Material May Help Cars Turn Heat Into Electricity

Thermoelectric Material May Help Cars Turn Heat Into Electricity 

 Thermoelectric Material

Researchers have invented a new material that will make cars even more efficient, by converting heat wasted through engine exhaust into electricity. In the current issue of the journal Science, they describe a material with twice the efficiency of anything currently on the market.

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