SA digital laser a world first

  by Hans van de Groenendaal, EE Publishers South African researchers have developed the world’s first digital laser, creating many new applications for laser technology Conventional laser devices commonly consist of mirrors, energy (light) and a casing containing a medium, for example crystal or glass. The medium changes the frequency of the light to create […]

New plug and socket system for SA

  by Mark Botha, editor The Wiring Code (SANS 10142-1) has identified SANS 164-2 as the preferred standard for plugs and socket systems in 2013, and it is now expected that this configuration will be phased in on new installations as of next year. The standard specifies a three-pin, hexagonal plug-and-socket configuration developed in 1986 […]

Video: Chris Yelland of EE Publishers talks electricity in CabTalk

Video: Chris Yelland, MD of EE Publishers with joburgtoday.tv talking electricity in CabTalk while taking in the sights of Joburg… http://www.joburgtoday.tv/past-episodes/CAB-TALK-CHRIS.mp4

Land tenure administration and GIS: trends and challenges

by Dr. Michael Barry, University of Calgary, Canada The article describes the current state of the GIS market and some of the major trends in land tenure administration. While GIS has become a multi-billion dollar market, the majority of land interests around the world are yet to be recorded. The article describes some of the […]

Tshwane Metro metering contract branded “blatantly corrupt”

by Chris Yelland CEng, investigative editor, EE Publishers On 5 December 2013, Afrikaans business rights watchdog organisation, AfriSake, initiated court proceedings to prevent a contract between the City of Tshwane (Pretoria) and private service provider PEU Capital Partners (Pty) Ltd (PEU) from proceeding. The contract, with service fees to PEU estimated to be in excess […]

What brought about the Kriel crisis?

  That old familiar sinking feeling from 2008 returned with a vengeance with the threat of the shutting down of Kriel power station after 1 January surfaced. Just a few days earlier Eskom had to call on major industries to curtail their electricity consumption to keep the country’s lights on – and this is the […]

Reducing compressed air wastage in underground mines

by SJ Cloete and DF le Roux, BBE Energy, and RT Buhrmann, Rumeg Systems An investigation into compressed air wastage at the stopes in underground mines shows that rock drill operators (RDOs) leave manifold valves open due to negligence and for purposes of ventilation. Download the PDF document

Small modular reactors: The ideal nuclear solution

  The cancellation of the pebble bed modular reactor project may have seemed to many as the end of the small modular reactor (SMR) concept. There are however, many projects in development worldwide, some of which are reaching fruition and which could provide an alternative to large plants, as they offer the promise of reduced […]

Measuring deformation from space

by Davide Colombo, Tele-Rilevamento Europa TRE InSAR (Interferometric Synthetic Aperture Radar) uses satellite radar imagery to precisely measure ground deformation. TRE developed advanced techniques, PSInSAR and subsequently SqueeSAR, as standard monitoring tools in a number of applications: natural hazards, geothermal, oil and gas, mining, urban and infrastructures monitoring. Thanks to its capability in detecting millimetre […]

Graphene – miracle material?

Is graphene a new miracle material that will resolve stumbling blocks in electronics and the internet world? Two universities, continents apart, believe so. Please download the following pdf