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Hartmut Winkler

Hartmut Winkler

Professor of Physics, University of Johannesburg
A lifelong academic who served stints as Dean of Science and acting Deputy Vice-Chancellor: Academic at the former Vista University in South Africa and was until recently the Head of Physics at the University of Johannesburg.

Research interests range from astrophysics through to atmospheric physics, solar energy and energy supply.

A vocal commentator on South African energy issues, especially the renewables versus nuclear debate.

South Africa’s electricity crisis: what political parties say in their election manifestos about solving it

Mar 28, 2024 12:04 pm UTC| Insights & Views Politics

South Africa is in the middle of a deep electricity crisis. In 2023 the public, many of whom are voters, experienced the worst loadshedding to date, losing power for an average of five hours a day. The power shortages...

South Africa's new plan to end power cuts is seriously flawed. Here's why

Jan 09, 2024 23:03 pm UTC| Economy

South Africa experienced unprecedented electricity shortages in 2023 as ageing coal plants became increasingly prone to breakdowns. The country urgently needs to develop new electricity generation facilities and reduce...

South Africa power outages: some improvement but a long way to go before the grid is stable

Nov 01, 2023 07:12 am UTC| Economy

Over the past few months, South Africas power generation sector has performed better than expected. Four factors explain this: an acceleration of solar power installations, less frequent breakdowns at power stations, a...

South Africa's nuclear sector has failed its test: the Koeberg nuclear plant life extension

Aug 21, 2022 17:23 pm UTC| Science Economy

South Africas only nuclear power plant, Koeberg, has frequently been in the news in 2022, all for the wrong reasons. Its operating licence expires in 2024, and its continued operation thereafter depends on critical...

Global Geopolitics Series

Russia's nuclear power exports: will they stand the strain of the war in Ukraine?

Mar 07, 2022 10:13 am UTC| Politics

Russias invasion of the Ukraine has led to massive sanctions and resulted in heavy blows to its economy. It has also led to unprecedented condemnation of Russias leadership, as well as growing international...

Power shortages will remain a big challenge in a post-COVID-19 South Africa

Apr 21, 2020 12:42 pm UTC| Economy

The decline in economic activity precipitated by the spread of COVID-19 and ensuing lockdown in South Africa is also affecting the countrys electricity supply dynamics. The power outages that were disrupting the economy...

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Economy

The yen plunges to 34-year low despite interest rate hike

The Bank of Japan (BoJ) raised interest rates for the first time in 17 years on March 19, bringing an era of negative interest rates to an end. The key rate was hiked from 0.1% to a band from zero to 0.1% a token effort...

The idea that US interest rates will stay higher for longer is probably wrong

The 0.4% rise in US consumer prices in March didnt look like headline news. It was the same as the February increase, and the year-on-year rise of 3.5% is still sharply down from 5% a year ago. All the same, this modest...

Impact of Iran-Israel conflict on Stocks, Gold and Bitcoin

Disclaimer: This is not investment advice. The information provided is for general purposes only. No information, materials, services and other content provided on this page constitute a solicitation, recommendation,...

Japan Posts 7.7% Growth in Machinery Orders

In a striking development that looks set to invigorate Japans economic prospects, a key gauge of capital spending in the country has seen its most significant jump in over a year. According to Cabinet Office data released...

Why Africa can be the beating heart of South Korea’s technology industry

Tshepo Ncube, Head: International Coverage and Bhavtik Vallabhjee, Head: Power, Utilities Infrastructure at Absa CIB reflect on their recent visit to South Korea, examining why investors in the region have their eyes set...

Politics

The Alberta government is interfering in public sector bargaining on an unprecedented scale

In the coming months, over 200,000 public sector workers in Alberta will begin bargaining with their employers for new contracts. The most recent agreements expired in March and, after many years of high inflation and few...

Putin’s Russia: first arrests under new anti-LGBT laws mark new era of repression

Just over three decades after Russia decriminalised homosexuality in 1993, three people have been arrested and charged under the countrys harsh new anti-LGBT laws and could face ten years in prison for membership of an...

Nvidia RTX 4090D Embroiled in US-China Tech Rivalry; South Korea Navigates Chip Export Dilemma

The U.S. government has tightened export restrictions on high-performance semiconductor chips to China, including the Nvidia RTX 4090D, and is urging South Korea to enforce similar curbs, marking a significant escalation...

Canada needs a national strategy for homeless refugee claimants

One year after the federal government closed Roxham Road, refugee claims in Canada continue to increase: there were 143,785 in 2023 compared to 91,730 in 2022. The surprise announcement in March 2023 to modify Canadas...

Science

Peter Higgs was one of the greats of particle physics. He transformed what we know about the building blocks of the universe

Peter Higgs, who gave his name to the subatomic particle known as the Higgs boson, has died aged 94. He was always a modest man, especially when considering that he was one of the greats of particle physics the area of...

Could a telescope ever see the beginning of time? An astronomer explains

The James Webb Space Telescope, or JWST for short, is one of the most advanced telescopes ever built. Planning for JWST began over 25 years ago, and construction efforts spanned over a decade. It was launched into space on...

US media coverage of new science less likely to mention researchers with African and East Asian names

When one Chinese national recently petitioned the U.S. Citizenship and Immigration Services to become a permanent resident, he thought his chances were pretty good. As an accomplished biologist, he figured that news...

If life exists on Jupiter’s moon Europa, scientists might soon be able to detect it

Europa is one of the largest of more than 90 moons in orbit around the planet Jupiter. It is also one of the best places to look for alien life. Often termed an ocean world by scientists, observations to date strongly...

Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun shining steadily for...

Technology

Shiba Inu's Burn Rate Surges 2200%, Fuels Bullish Sentiment and Speculation on Future Price Gains

Shiba Inu (SHIB), a well-known meme coin rumored to be the self-proclaimed Dogecoin killer, sparked unbridled jubilation among crypto market traders and investors today, as its burn rate increased by around 2200%. This...

Robinhood Unveils SHIB, AVAX, and COMP Listings for New York Traders, Expanding Crypto Access

Robinhood has expanded its cryptocurrency offerings to New York residents, now including popular tokens like Shiba Inu (SHIB), Avalanche (AVAX), and Compound (COMP), enhancing trading options on its platform. Robinhood...

Hong Kong's First Bitcoin and Ether ETFs Set to Begin Trading April 30, Official Approval Granted

Hong Kongs Securities and Futures Commission has officially approved the first spot Bitcoin and Ether ETFs, which will begin trading on April 30. This marks a significant milestone in the citys cryptocurrency market...

Tesla Nears FSD Licensing Deal with Major Automaker, Hits 1.3 Billion Milestone

In Teslas latest quarterly update, CEO Elon Musk disclosed ongoing Full Self-Driving (FSD) licensing negotiations with a major automaker, noting the significant engagement from FSD users who have now surpassed 1.3 billion...
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