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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...

Economy

Goldman Sachs Raises ECB Rate Hike Forecast Amid Persistent Energy-Driven Inflation

Goldman Sachs has revised its euro area economic outlook, now anticipating two interest rate increases from the European Central Bank as stubbornly high energy-driven inflation continues to overshadow slowing regional...

European Stocks Tumble as Iran-Strait of Hormuz Crisis Rattles Global Markets

European equity markets opened sharply lower on Monday as investors reacted to escalating tensions between the United States and Iran over the Strait of Hormuz. The pan-European Stoxx 600 dropped 1.3%, Germanys Dax slid...

Asian Currencies Slide as U.S.-Iran Tensions and Rising Oil Prices Rattle Markets

Asian currencies faced widespread pressure on Monday as escalating U.S.-Iran tensions and surging oil prices rattled investor confidence across the region. The U.S. dollar steadied following modest losses last week, with...

Global Markets Reel as Middle East Tensions Escalate Energy Fears

Financial markets across the globe are experiencing significant turbulence as the ongoing Middle East conflict raises serious concerns about prolonged disruptions to energy supplies. Wall Street posted sharp losses on...

South Korean Stocks Tumble as Hawkish BOK Governor Appointment Rattles Markets

South Korean equities suffered steep losses on Monday after President Lee Jae Myung appointed Shin Hyun-song as the next Bank of Korea (BOK) governor, a move markets interpreted as a shift toward tighter monetary policy....

Politics

Palestinian Activist Leqaa Kordia Released from U.S. Immigration Detention After Judge's Order

Palestinian activist Leqaa Kordia, 33, has been released from a U.S. immigration detention facility in Texas following a federal judges ruling, marking the end of over a year in custody. Kordia, who grew up in the...

TSA Absences Surge During Government Shutdown as ICE Agents Prepare Airport Deployment

Airport security across the United States is facing a serious staffing crisis as the partial government shutdown enters its fifth week. The Department of Homeland Security reported that Transportation Security...

Iran Threatens Gulf Infrastructure as U.S.-Israel War Enters Critical 48-Hour Window

Tensions in the Middle East have reached a dangerous new flashpoint after Iran threatened to strike energy and water infrastructure across Gulf nations if the United States carries out President Donald Trumps warning to...

Trump Links DHS Funding to Voter ID Legislation

President Donald Trump declared Sunday that he would block any Department of Homeland Security funding agreement unless Congressional Democrats first pass the Save America Act a bill that would require Americans to show...

Ukraine-U.S. Peace Talks Continue in Florida as Zelenskiy Pushes for Diplomatic Progress

Ukrainian and American delegations wrapped up a second day of peace negotiations in Florida on Sunday, as President Volodymyr Zelenskiy signaled cautious optimism about ongoing diplomatic efforts to end Russias war on...

Science

SpaceX Pivots Toward Moon City as Musk Reframes Long-Term Space Vision

SpaceX CEO Elon Musk has revealed a significant shift in the companys near-term space exploration strategy, announcing that SpaceX is now prioritizing the development of a self-growing city on the Moon rather than focusing...

SpaceX Prioritizes Moon Mission Before Mars as Starship Development Accelerates

Elon Musks SpaceX is shifting its near-term space exploration strategy, choosing to prioritize a return to the Moon before pursuing missions to Mars, according to a recent Wall Street Journal report citing sources familiar...

NASA and SpaceX Target Crew-11 Undocking From ISS Amid Medical Concern

NASA has confirmed that the agency, in coordination with SpaceX, is targeting no earlier than 5 p.m. Eastern Time (2200 GMT) on Wednesday, January 14, for the undocking of the SpaceX Crew-11 mission from the International...

Neuralink Plans High-Volume Brain Implant Production and Fully Automated Surgery by 2026

Elon Musks brain-computer interface company Neuralink is preparing for a major expansion, announcing plans to begin high-volume production of its brain implant devices and transition to a fully automated surgical procedure...

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Technology

Elon Musk Announces Terafab: SpaceX and Tesla to Build Dual AI Chip Factories in Austin, Texas

Elon Musk revealed plans for a massive dual-chip manufacturing complex called Terafab in Austin, Texas, set to be jointly developed by SpaceX and Tesla. The announcement marks a significant step in Musks broader strategy...

NVIDIA's Feynman AI Chip May Face Redesign Amid TSMC Capacity Crunch

NVIDIA could be forced to redesign its next-generation Feynman artificial intelligence chip platform as contract manufacturing giant TSMC struggles to keep pace with surging global demand. According to a report from...

Elliott Investment Management Takes Multibillion-Dollar Stake in Synopsys

Activist hedge fund Elliott Investment Management has quietly built a multibillion-dollar position in Synopsys, the electronic design automation (EDA) giant, signaling a push for stronger financial performance from one of...

Palantir's Maven AI Earns Pentagon "Program of Record" Status, Reshaping Military AI Strategy

Palantir Technologies (NASDAQ: PLTR) is drawing renewed investor and industry attention after the U.S. Department of Defense officially designated its Maven Smart System as a program of record, a classification that...

Amazon's "Transformer" Phone: Can It Succeed Where Fire Phone Failed?

Amazon is quietly developing a new smartphone, codenamed Transformer, marking the companys return to mobile hardware more than a decade after its Fire Phone disaster. According to sources familiar with the initiative, the...