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Quantum Dots and Ultra-efficient Solar Cells?1 Jun, 2009 10:43 am Quantum dots - nanocrystalline particles - offer unique advantages in terms of photovoltaic efficiency, resitance to radiation and light payload in fabricated...Ups and Downs29 Sep, 2008 11:43 am Going up? Japan is looking at getting into the space elevator business. If they are truly serious about it, I would not bet against them achieving success...Inverting Sustainable Development: Rethinking Ecology, Innovation, and Spatial Limits10 Oct, 2007 12:38 pm The public debate on environmental sustainability seems to be oscillating between two unsound extremes: either radical reforms aimed at dramatic reductions...Climate Change from Solar Change: the Door Is Closed19 Jul, 2007 01:21 pm Mike Lockwood is a specialist on long term trends in solar data. He explains how the Sun does not play a role in climate change.?It?s just the excitement of the quest to not only find a planet that would be truly attractive and habitable, but one that has life?26 Jul, 2006 04:07 pm Webster Cash recently reported a new method to detect Earth-like planets around nearby stars using a space Telescope associated with a special shape occulter... |