Detailed text transcripts for TV channel - DW - 20180312:08:33:00
A groundbreaking development. and. because it's a very creative technology it i jokingly called the inventor our gyro gear loose. he had the idea of using fuel ash that's formed when coal is burned and mixing it with titanium dioxide to get this photo catalytic air cleaning effect and what. they call their concrete additive photo meant this is how it works. when light falls on the trees it road surface it triggers a chemical reaction. the sunlight causes electrons in the titanium dioxide to be released to the surface these electrons in turn break up oxygen molecules in the air into individual ...