by Philip Proefrock Source: Ecogeek

CD Water

Someone has finally come up with an upcycling use for old CD discs. Din Ping Tsai, a physicist at National Taiwan University, has developed a small, low-power method for treating wastewater using UV light and click here buy cialis no prescription zinc oxide applied to the CDs. Using old CDs as a substrate to coat with zinc oxide provides a low cost layer which can be spun as water is viagra in canada applied, creating a thin film of we recommend online cialis prescription water which more effectively interacts with the photocatalytic layer of zinc oxide nanorods. In tests, the device was able to break down over 95% of the genuine levitra online contaminants after an hour of treatment.

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