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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

Mexico-US Trade Talks Delayed to October as Tariff Negotiations Continue

The fourth round of Mexico-US trade talks is unlikely to take place next week and could be postponed until October as both countries navigate a busy diplomatic schedule, according to a senior Mexican trade official. Luis...

Australia Unemployment Hits Five-Year High Despite Strong Jobs Growth

Australias labour market delivered mixed signals in August as employment growth comfortably exceeded expectations, while the unemployment rate climbed to its highest level in nearly five years amid increased participation...

Asian Stocks Fall as Bond Yields Surge Ahead of Trump-Xi Summit

Asian stocks mostly declined on Thursday as surging global bond yields weighed on risk appetite, while investors awaited a closely watched meeting between U.S. President Donald Trump and Chinese President Xi Jinping....

Gold Prices Fall as Treasury Yields Rise on Fed Rate Hike Bets

Gold prices edged lower on Thursday, extending pressure from the previous session as rising Treasury yields, stronger oil prices and a firm U.S. dollar fueled expectations that the Federal Reserve may continue raising...

Asian Currencies Mixed as Dollar Holds Near Two-Month High

Asian currencies traded mixed on Thursday as the U.S. dollar hovered near a two-month high, supported by stronger U.S. economic data, renewed inflation concerns and growing expectations for another Federal Reserve rate...

Politics

OpenAI Agent Breaches Australia Medicare Data Portal

An OpenAI artificial intelligence agent gained unauthorized access to an Australian government Medicare statistics portal, prompting a federal investigation and renewed concerns about the cybersecurity risks posed by...

Taiwan Thanks US for Support Ahead of Trump-Xi Summit

Taiwans government on Thursday expressed gratitude for continued US support and said it remains in close communication with Washington as President Donald Trump prepares to meet Chinese President Xi Jinping in the US...

Netanyahu Takes Aim at Mamdani as Israel Election Nears

Israeli Prime Minister Benjamin Netanyahu is expected to use his United Nations address on Thursday to criticize New York Mayor Zohran Mamdani, as the Israeli leader faces international pressure and a closely watched...

Russian Missile and Drone Attack on Kyiv Kills Two, Damages Maternity Hospital

Russia launched a major missile and drone attack on Kyiv early Thursday, killing two people and damaging residential buildings, medical facilities and other infrastructure across the Ukrainian capital, according to...

Judge Orders Trump to Restore White House Access for CNN, MS NOW and Politico

A federal judge on Thursday ordered President Donald Trumps administration to temporarily restore White House press access for journalists from CNN, MS NOW and Politico, ruling that the administrations ban on the three...

Science

Blue Origin New Glenn Explosion Could Delay Launch Operations Until 2028

Blue Origin is facing a significant setback after a dramatic explosion involving its New Glenn rocket severely damaged a launch pad at Cape Canaveral, Florida. According to NASA Administrator Jared Isaacman, repairs to the...

Blue Origin New Glenn Rocket Explodes During Launch Pad Test, Delaying Space Ambitions

Blue Origin suffered a major setback after its uncrewed New Glenn rocket exploded during a launch pad test in Florida on Thursday, raising new challenges for Jeff Bezos space company as it competes with Elon Musks SpaceX...

SpaceX Delays Starship V3 Launch Ahead of Potential Record IPO

SpaceX on Thursday postponed the highly anticipated launch of its 12th Starship rocket test from Texas after technical issues interrupted the final countdown. The company now plans to attempt the Starship V3 launch again...

Trump Administration Releases New UFO Files and Apollo Mission Records

The U.S. Defense Department has released dozens of previously classified UFO-related files following an order from President Donald Trump, sparking renewed debate over unidentified anomalous phenomena (UAP) and government...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

Technology

Tencent Launches TenPayGo Payment App for Foreign Tourists in China

Tencent has launched TenPayGo, a new mobile payment app designed to make digital transactions easier for international travelers visiting China, as the technology giant looks to benefit from growing inbound tourism ahead...

China’s ‘Lipstick King’ Says AI Won’t Replace Livestream Hosts

Chinas livestream shopping industry is entering a slower phase, but Li Jiaqi, the influential presenter known as the Lipstick King, believes artificial intelligence will complement rather than replace human hosts. Li, who...

Meta Unveils Muse Charm AI Device, Expands Smart Glasses Lineup

Meta Platforms (NASDAQ: META) unveiled a palm-sized device designed specifically for its Muse artificial intelligence agent on Wednesday, alongside an expanded lineup of smart glasses and new AI capabilities. CEO Mark...

SoftBank Raises $11.1 Billion in Bond Sale to Fund OpenAI Investment

SoftBank Group has raised $11.1 billion through a major dollar- and euro-denominated bond offering as the Japanese technology investment giant builds up cash to finance its expanding artificial intelligence investments,...

Meta Connect Spotlights Camera-Free Smart Glasses Amid Privacy Concerns

Meta Platforms opened its annual Connect conference on Wednesday, with the technology giant expected to introduce new smart glasses as it seeks to expand its lead in AI-powered wearable devices while addressing mounting...