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Terry Mackenzie-hoy

Terry Mackenzie-hoy

Mackenzie-Hoy is a consulting acoustics and electrical engineer – machoy@iafrica.com

Massive benefits of the virus

10th April 2020 Some time back – more than ten years – the economy was swimming along. I had five staff and one of them stopped me in the office and asked if she could have a word with me. No problem. She said that she was not ungrateful, but . . . I knew what was coming after “but”. And it did. She asked if I... 

The more seriously good aspects of Covid-19

3rd April 2020 A very good aspect about the coronavirus disease, or Covid-19, is that I need not go to those very tedious meetings, which last three hours, during which I will be asked to advise on the project acoustics aspects for a two-minute period and will have to just listen for the rest of the time.... 

Open letter to South African politicians

27th March 2020 Ah, yes, at last! When Martin Creamer agreed to publish this column, he requested that I avoid politics. And so I shall. This letter is addressed to all of you politicians, far left to far right. Suits to overalls. Women and men, and others. Dear politicians 

The butterfly effect

20th March 2020 The butterfly effect is a terribly sweet observation that the fluttering of the wings of a butterfly can be the trigger for a massive destructive storm. Taking the power generated by the wings of a butterfly (of the order of microwatts, if not less) into account, the system surrounding the... 

Cape Town saves Eskom

13th March 2020 With regard to power from independents power producers (IPPs), Cape Town's acting mayor, Ian Neilson, is quoted in The Citizen newspaper as saying “The City is fighting for the right to buy cleaner energy directly from the IPPs to improve energy security. This move comes as the energy crisis in... 

Climate change: Part 4

6th March 2020 Summary of previous columns: climate change is real, if only because, in Norway, large patches of ice have melted and given up artefacts. This shows that Norway has become warm enough to melt ice, which has not happened in recent times, and the discovery of the artefacts shows that the ice has... 

Climate change: Part 3

28th February 2020 Summary of previous columns: firstly, climate change is real, if only because, in Norway, large patches of ice have melted and given up artefacts. This shows that Norway has become warm enough to melt ice, which has not happened in recent times, and the discovery of the artifacts shows that the... 

Climate change: Part 2

21st February 2020 In last week's instalment of this column, I wrote that climate change is real, if only because, in Norway, large patches of ice have melted and given up artefacts such as iron arrowheads and tunics from the Iron Age, besides others. This shows two things: that Norway has become warm enough to... 

Climate change: Part 1

14th February 2020 I have decided to write about climate change. I know that, even with that simple sentence, the knives come out, the pistols cock and an army marches against me. But do not fret, my merensky vonnies. I believe climate change is happening. In Norway, large patches of ice have melted and given up... 

Lies about Eskom and energy

7th February 2020 A whole new culture of reporting on State-owned electricity utility Eskom, climate and energy has arisen. This country has a number of good-quality, intelligent energy experts but, deeply regrettably, their views are often not published, as they are not very popular. For example, I have... 

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