== See also ==* Solar pond* Vortex engine== References ====External links==* Schlaich Bergermann Solar* Hyperion project, Western Australia* video link Spanish solar updraft tower* video link Australian tower proposal* video link Solar Updraft Tower — a small model with various substrates* The Floating Solar Chimney Technology* Solar Nozzle* CNN money article 2006-10-26* University of Stellenbosch study* U.S. Department of Energy's Solar Energy Technologies program* Atmospheric Vortex alternative to Solar Chimney* 2nd International Conference on Solar Chimney Power Technology* 3rd International Conference on Solar Updraft Tower Power Technology
) Ltd.* Pebble Bed Modular Reactor - PBMR - Home* Atomic Energy in South Africa* Earthlife Africa: Nuclear Energy Costs the Earth campaign* Steve Thomas (2005), "The Economic Impact of the Proposed Demonstration Plant for the Pebble Bed Modular Reactor Design", PSIRU, University of Greenwich, UK*NPR (April 17, 2006) NPR: South Africa Invests in Nuclear Power