Lessons from a digital mine

The Wits Mining Institute’s (WMI) annual DigiMine Seminar this year shared with delegates from the mining industry digital mining developments and lessons the institute has learnt from its own digital mining laboratory. The WMI is one of Wits University’s six interdisciplinary 21st Century Research Institutes tasked with developing professionals for careers in the fourth industrial […]

Take note: GPS week number rollover on 6 April 2019

Global Positioning System (GPS) users and those who use systems relying on GPS should be aware of the upcoming GPS week number rollover which will occur on 6 April 2019 at 23:59:42 UTC, during which the GPS week counter will reset to zero. GPS uses a week counter to calculate date. This value is encoded […]

Nero fiddles, while the prospect of load shedding in South Africa continues

. Electricity customers and the public in South Africa experienced Stage 2 (2000 MW) manual rotating load shedding in late 2018 and Stage 4 (4000 MW) in February and March 2019. However, while Nero fiddles the prospect of further load shedding is set to continue in the months ahead. But there seems little sign that […]

Powering the steel industry

Both metallurgical and other industrial plant processes, as well as large drive procedures depend on reliable, highly specialised transformers. In steel plants, for example, it is crucial to supply high currents for AC and DC electric as well as ladle furnaces. Electrolysis processes operate with heavy-duty rectifiers which are fed by rectifier transformers. Large drive […]

A crash course in AI-driven object detection

Almost every day we hear we can use the superpowers of artificial intelligence (AI) to make work easier, to automate routine tasks, to speed up workflows, increase accuracy and make more money. But what if you are not a machine learning expert? This quick guide outlines the basics of how AI-driven object detection works, and […]

Satellite imagery shows Cyclone Idai flood waters receding

It is thought that well over a million people have been affected by what is probably the worst storm on record to hit the southern hemisphere. Making landfall on 15 March 2019, Cyclone Idai affected Mozambique, Malawi and Zimbabwe, destroying buildings and roads and inundating entire towns, villages and swathes of farmland. The human death […]

Potential impact of a low carbon transition on South Africa

For as long as markets have existed, businesses and industries have been disrupted by new technology. While the shape of decline has looked different in each industry, every structural change or “transition” has resulted in losses which have impacted investors, banks, workers and government. Transitions associated with climate change pose great risks to established economic […]