Is Africa on the Verge of a Solar Energy Revolution?

Explosive growth of solar energy and panels in Niamey, Niger

Boureima Hama/AFP via Getty Images

A remarkable increase in solar panel shipments from China to African nations over the past year suggests a significant boost in the continent’s renewable energy infrastructure. This growth facilitates broader access to affordable and clean electricity while decreasing the dependency on imported fossil fuels.

“We’re not witnessing a huge explosion yet,” says Dave Jones from Ember, a UK energy think tank. “This marks the beginning of momentum.”

Jones and his team examined export data for Chinese solar panels from 2017 to the present. Although Africa possesses the infrastructure for solar panel manufacturing, it remains reliant on Chinese imports for nearly all its needs.

From June 2024 to 2025, exports to Africa soared by 60%, surpassing the 15 gigawatts of electricity imported during this timeframe.

This recent surge differs from earlier increases in 2022 and 2023, which were mainly concentrated in South Africa; now, the growth is evident across the continent. Twenty nations report import records, and 25 nations import solar panels totaling 100 megawatts. “It’s not driven by one or two countries,” notes Jones, “which I find incredibly encouraging.”

While South Africa continues to lead, accounting for about a quarter of total imports, several other nations significantly increased their acquisitions. Nigeria ranks second with 1,721 megawatts, followed by Algeria, which imported 1,199 megawatts in total. In the last two years, imports of solar panels from China to African countries (excluding South Africa) have more than tripled.

If all panels imported in the past year have been installed, it’s estimated that 16 countries could meet at least 5% of their current electricity needs. Sierra Leone could potentially generate over 60% of its existing power from solar energy. This shift towards solar energy could also mitigate reliance on costly fossil fuel imports.

“The transition towards a just-energy Africa is no longer a distant goal; it is happening right now,” asserts Amos Wemanya, of Power Shift Africa, a Kenyan energy think tank. “This transition holds the promise to significantly enhance our resilience against climate disruptions and foster development.”

This surge can be attributed partly to substantial solar power projects in development; however, that isn’t the full story. Jones emphasizes that many imports are destined for small, distributed installations, such as rooftops and farms, as users seek more affordable and reliable alternatives to national grid power. A similar pattern has emerged in Pakistan, where rooftop solar has seen explosive growth in recent years, driven by falling panel prices.

While this trend is promising, around 600 million people in Africa—almost half the continent’s population—lack dependable electricity access. Nonetheless, the development of solar energy in Africa still lags behind other global regions. Many African countries struggle to secure investments in renewable energy, representing only 2% of global investments over the last few decades. Interestingly, over the past year, Pakistan has imported more solar panels than all of Africa combined, despite having only one-sixth of Africa’s population.

“Our key challenge is to transform this momentum into sustainable benefits by amending funding, policies, and local industries to ensure that clean energy is not only accessible but also reliable, affordable, and inclusive for all Africans,” concludes Wemanya.

Egypt: Scientific Pioneers of the Ancient World – Cairo and Alexandria

Embark on a remarkable journey through Cairo and Alexandria, Egypt’s two iconic cities where ancient history meets modern vibrance.

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Source: www.newscientist.com

Is the AI Bubble on the Verge of Bursting, Potentially Triggering a Stock Market Crash? | Philip Inman

An increasing anxiety surrounds the possibility of a stock market collapse. The rise from minor dips to significant drops casts shadows as the initial excitement surrounding artificial intelligence begins to wane.

In recent weeks, U.S. tech stocks have faced a downward trend, suggesting that a stream of disappointing figures could become commonplace before the end of the month.

We may be looking at a scenario reminiscent of 2000, where the burst of the dot-com bubble could lead to a grim situation.

Federal Reserve Chairman Jerome Powell is among those policymakers responsible for guarding against impending crises. At the annual Jackson Hole meeting with central bank governors in Wyoming, he sought to reassure worried minds.

He expressed that the Fed is concerned about increasing inflation and is prepared to assist the economy in overcoming the uncertainties brought on by Donald Trump’s actions and the global economic slowdown.

With STAGFLATION looming, there’s a genuine threat as the U.S. economy decelerates and inflation rises. Powell has indicated to stock markets that interest rates may decrease, relieving pressure on companies dependent on debt.

The stock market draws Powell’s attention even more than usual, given the extent of U.S. personal pensions invested in publicly traded companies. Specifically, tech stocks are heavily investing in AI, despite not yet achieving a single dollar in profit.

A recent study from the Massachusetts Institute of Technology uncovered that 95% of companies investing in generative AI have not yet realized financial returns.

This news follows remarks from Sam Altman, CEO of OpenAI, who cautioned that some company valuations appeared “unusual.”

“We are happy to announce Ipek Ozkardeskaya, a senior analyst at the currency trading firm Swissquote,” remarked Ipek Ozkardeskaya. Altman’s comments served as a wake-up call for investors, likely triggering a sharp decline in various high-flying stocks.

Earlier this week, stock values for data mining and surveillance companies with substantial government contracts dropped almost 10%. AI chip manufacturer Nvidia declined by more than 3%, while other AI-related stocks such as ARM, Oracle, and AMD also suffered losses.

Most pension funds are heavily invested in these tech firms, along with established names like Amazon, Microsoft, Alphabet (Google), and Meta (Facebook).

Should fund managers consider withdrawing? That’s likely not a prudent choice.

The magnitude of investments in AI by companies like Google and Meta is vast, and while the technology’s potential is subject to much speculation, white-collar workers are already seeing expected benefits in their daily tasks.

Daily reports and suggestions for utilizing AI in presentation preparation are commonplace (though they come with the unspoken caveat that job openings remain unaddressed).

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Microsoft Co-Pilot and numerous other “assistance” AI tools are available.

If this trend has already gained momentum across various economic sectors, a soft landing may await the tech industry, despite the elimination of some unstable, speculative enterprises.

In fact, a recession could facilitate large corporations in seizing opportunities from struggling competitors and leveraging new, affordable technological innovations.

The ratio of Palantir’s price to acquisition is over 500. Many investors are anxious even at a 50 ratio. Nvidia’s price to return ratio stands at 56.

As stock prices align with realistic revenue prospects, the Palantir/Nvidia ratio might decline; however, even in the harshest stock market turbulence, companies are unlikely to go bankrupt.

Trump remains a significant proponent, paving the way for AI to delve deeper into corporate operations. His advocacy for cryptocurrencies, along with his support for deregulated social media platforms, reflects his ideological leanings.

AI may pose potential dangers to humanity, given that politicians and regulators lag behind the notable figures and tech giants championing AI.

However, for investors, AI is not an entity that will simply vanish, crash, or evade downfall.

Source: www.theguardian.com

‘Kingmaker’ TikTok on the Verge of Ban, Sending US Music Industry into Panic

On a recent Monday morning, Olivia Shalhoup opened her laptop and braced herself for the day’s meetings. As the founder of marketing and PR agency Amethyst, about 40% of her work focuses on helping musicians take advantage of TikTok. Her client was nervous that day, with a Supreme Court decision looming and the fate of the app in the United States hanging in the balance. “The key thing we talked about on every call was, ‘What are we going to do?'” Shalhoup said. “It’s no exaggeration to say that TikTok is critical to artists’ campaigns at this point. No one is immune to this.”

Since its debut in 2017, TikTok has become a star-making machine, with short-form video content overtaking traditional music promotion formats like TV and radio. This app features up-and-coming artists. A-listers promotes the rise to top of the chart And make Magic FM classics like Running Up That Hill a Generation Alpha hit. With the help of TikTok, Lil Nas Ta. More recently, songs such as Djo’s “End of Beginning” and Artemas’ “I Like the Way You Kiss Me” have become global hits after going viral on the app. The ability to track a song’s tenacity, engagement, and reach is a label executive’s dream, and one that author John Seabrook provides. I called “Real-time global callout data” helps leading companies make smarter trades.

Lil Nas X performs in New Jersey in 2019. The rapper and singer’s career soared after his smash single “Old Town Road” went viral on TikTok. Photo: Scott Ross/Invision/AP

“Right now, most label strategies rely heavily on TikTok,” said Ray Uskata, managing director of the Americas at music marketing agency Round. “It’s not just an entertainment platform, it’s a discovery platform. People go to Instagram to see what their friends are up to, they go to YouTube to see what their favorite creators are up to. I go to TikTok to see something new.”

The key to TikTok’s success is a feed filled with algorithmic recommendations that seem to know you better than you know yourself, and keep you in tune, sometimes unnervingly, with the trends and music you’re obsessed with. We provide you with a stream of carefully selected content.

It was enough to give lawmakers pause. In April, the U.S. Congress ordered TikTok’s parent company ByteDance to sell the app to a U.S.-based owner, citing national security concerns over possible manipulation of TikTok by the Chinese government and its collections. They passed a law forcing them to do so or face complete closure. Sensitive User Data Signed by Joe Biden. On January 10th, the Supreme Court convened to decide whether to force TikTok to go dark in the US on January 19th. Despite widespread protests from the creators (and the ACLU) slam On January 17, a court upheld a law that threatens to kill the app in the United States (the proposal is unconstitutional).

Music’s new kingmaker

Many marketers say they are at a loss. “I think a lot of people are in denial,” said Meredith Gardner, co-founder of agency Tenth Floor and former senior vice president of digital marketing at Capitol Records. She said that as recently as 10 days ago, potential clients at major labels were still talking about TikTok as a priority. “I think a lot of people are still hopeful that there will be some form of Hail Mary,” Gardner said.

Artists and record labels view TikTok as the closest thing to a kingmaker in today’s fragmented mainstream music industry, making it difficult to imagine a future without it. “If you look at the top 50 in the world, [chart] Compared to the viral charts, on Spotify, most of these songs are currently charting or trending on TikTok,” Uskata says. “These aren’t actually from other platforms.”

Its influence spreads worldwide. Patrick Clifton, a UK-based music and technology strategy consultant, says the power of TikTok’s network effects in the vast US market is such that it influences what people listen to on Spotify, and that TikTok directly connects Spotify to Spotify. It states that you can click through to listen to the song. Post – Around the World.

“TikTok has been a huge catalyst for music trends in the U.S., and the size and distribution of its user population in the U.S. has made it a catalyst for algorithmic trends on platforms like Spotify around the world,” Clifton said. I say. Therefore, the US ban could change what Spotify offers to listeners in regions where TikTok is still available, such as the UK.

Jeff Halliday, vice president of marketing for Downtown Artist & Label Services, said a potential ban “would immediately cause a lot of disruption.” “It’s like every stage of grief. At first it was mostly denial. A lot of people thought, ‘That’s never going to happen.’ And then the negotiation begins where you say, ‘Well, there’s another way.'”

In the face of uncertainty, marketers are advising artists not to put all their eggs in one basket. Gardner said he tells the artists he works with to take a cue from the pre-iTunes era and cultivate a digital Rolodex of fans. She was recently contacted by a singer-songwriter client seeking advice on how to share his rich archive of demos and home recordings with listeners. In another era, a collection like this would seem tailor-made for TikTok, but Gardner took a different view. “We encourage TikTok to launch Substack.”

Source: www.theguardian.com

Scientists are on the verge of uncovering the secrets behind the construction of Egypt’s ancient pyramids.

A recent study published in July suggests that Egypt’s oldest pyramid, the Step Pyramid of Djoser, may have been constructed using advanced technology. The study proposes that a hydraulic lift system was used during the construction of the pyramid to raise the massive blocks needed for its construction.

The Step Pyramid of Djoser was built as the final resting place of King Djoser, the first or second pharaoh of Egypt’s Third Dynasty during the Old Kingdom, around 4,700 years ago. The pyramid rises in six tiers to a height of 62 meters above the Saqqara plateau, equivalent to the height of a 14-storey building.

If proven true, the existence of this hydraulic lift system would offer an explanation for how the ancient Egyptians were able to construct such monumental structures with the technology available at the time. The study also suggests that a nearby enclosure, known as Gisr el-Mudir, may have served as a “check dam” to capture water and sediment, supporting the hydraulic system.

Map of the Saqqara plateau showing the waterway from the Gisr el-Mudir Dam to the water treatment facility near the Pyramid of Djoser. The water is then routed to the pyramid’s pipe network to power the hydraulic elevators. – Image courtesy of Paléotechnique, Paris, France

The study proposes that a sophisticated system of water treatment plants outside the pyramid combined with the Gisr el-Mudir and a ditch controlled water quality and flow. Water would flow into a shaft inside the pyramid where a float system potentially carried building stones to their needed locations. A plug system at the base of the shaft could then drain the water for the process to start again.

Xavier Landreau, president of Paleotechnique and lead author of the study, emphasizes the importance of this discovery in questioning established historical narratives and the technical knowledge possessed by the ancient Egyptian architects. The study also raises the intriguing question of whether the same hydraulic system used to construct the pyramid could have been used to bury the king in his final resting place within the pyramid.

About the Experts

Xavier Landreau: President of Paleotechnique and lead author of the study. Paleotechnique is a research practice that combines hydrology, geotechnical engineering, physics, mathematics, materials science, and history to explore the origins of civilization.

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Source: www.sciencefocus.com

Unraveling the Secrets of Dark DNA: Scientists on the Verge of Decoding Your Genome

Back in the spring of 2003, the Human Genome Project completed the monumental task of sequencing the human genome.

Even now, The Book of Life remains a captivating and complex subject for the world’s top geneticists, as they work to unravel its mysteries.

This achievement was not only a major milestone for science but for life on our planet, marking the first time any organism had documented its fundamental genetic makeup. This event sparked the ongoing genetic revolution but also presented profound questions.

Questions like, “Why is there so much genetic material?”


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One intriguing aspect of the human genome is that the majority of it seems to serve no apparent function. With around 3 billion nucleotide pairs (A, C, G, T), fewer than 2% (approximately 20,000) of these are genes responsible for coding proteins that direct cellular activity in the body. So, what purpose do the remaining genes serve?

Some have referred to these as junk DNA: seemingly meaningless genetic remnants accumulated over the course of evolution or like a convoluted word puzzle with little coherence.

However, ongoing research indicates that at least some of these regions are not simply genetic debris but have crucial regulatory and corrective roles in the human genome’s protein-coding genes. These DNA sequences are likened to the controls for gene expression.

For instance, enhancer sequences boost gene transcription from DNA to RNA, while silencers have the opposite effect.

The dark genome largely consists of lengthy repeat DNA sequences called Transposons, which play vital roles in gene expression, evolutionary processes, and environmental adaptation.

These “jumping genes” can relocate within the genome, potentially causing significant genetic mutations or inversions. Scientists posit that transposons are linked to evolutionary developments such as opposable thumbs in humans and the loss of tails in humans and apes.

In certain scenarios, transposons may contribute to the onset of tumors and genetic disorders like hemophilia and Duchenne muscular dystrophy, stemming from repetitive DNA sequences associated with transposons.

As a result, the dark genome has become a focal point of medical research, with hopes that increased understanding over the next two decades will lead to revolutionary therapies for genetic diseases.

This content addresses the query of “What makes up the other 98% of DNA?” posed by Asa Mcintyre via email.

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Source: www.sciencefocus.com