The cost of building materials contributes significantly to overall construction costs, with ordinary Portland cement (OPC) being one of the main components. The production of OPC is not environmentally friendly. It is energy-intensive, uses natural resources such as limestone, and produces high

The technology relates to a new generation of telecommunications and data processing technology with improved wavelength sensitivity in the visible and near-infrared wavelengths range rather than microwave communication in 2–4 GHz. The technology provides the realisation of optical sources (LEDs)

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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