Water hyacinth (Eichhornia crassipes) is an aquatic weed which has one of the highest growth rates of all plants in the world. This fast-growing plant causes numerous problems in water bodies. These problems are related to navigation, recreation, irrigation and hydropower generation. The complete

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Connecting Communities Zenzeleni is a solar-powered, community-owned Wifi telecommunications network solution providing affordable communications to remote rural areas. Through the use of wireless mesh networking, users are able to make free internal voice-over IP calls, while the cost of breakout

Coarse particle transportation is essential for moving slurries, or fluids containing very high concentrations of pulverised solids, for example, hydraulic transport of coal ore or waste materials. Due to a scarcity of water and a high concentration of the solid particles, pipe blockages are common