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Tonga eruption could offer clues on planet formation

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The life cycle of a volcano off Tonga and the blast generated from its eruption could offer valuable clues about the formation of other planets

The massive volcanic blast which rocked Tonga last week sent out shockwaves close to the speed of sound and tsunami waves across the Pacific Ocean.

And now one NASA expert says it could also provide valuable clues about the formation of other planets.

“I got a call and they said ‘It blew, you don’t have an island anymore.'”

NASA’s chief scientist, James Garvin

Now they’re examining what’s left of the islands, Hunga Tonga and Hunga Ha’apai.

“We took that volume of mass ejected and the energetics to explosively fragment it, and calculated using fairly classical techniques, how much energy that would take, to break a rock that you could build a city building on, to break it up into little bits and throw it as ash and steam up to hundreds of thousands of feet…”

“And so we did that calculation and we got numbers that range from something equivalent to the blast of a small asteroid that would hit the earth – about 10 metric, megatons of TNT or equivalent – to things even bigger.”

NASA’s chief scientist, James Garvin

The Hunga-Tonga-Hunga-Ha’apai volcano sits on the seismically active Pacific Ring of Fire.

The eruption on January 15 was so powerful that it could be heard over a thousand miles away, and huge clouds of ash could be seen from space.

Studying the impact of these volcanoes on Earth tells experts what they may have done to other planets.

“It’s a fossil record of landscapes preserved in time on earth, better preserved on planets like Mars and the moon and Venus. So we use earth as our training ground to project what we know from places like this to other planets that might have oceans, that might have volcanos, that erupt under water.”

NASA’s chief scientist, James Garvin

Many in Tonga are still reeling from the physical and psychological trauma of last week’s blast, as relief aid continues to pour in.

Credit: Gloria Tso 

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AI stocks surge amid market shifts and spending warnings

AI sector drives economic growth; Meta adjusts strategy, Palantir’s valuation sparks questions, and Nvidia leads amid rising competition.

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AI sector drives economic growth; Meta adjusts strategy, Palantir’s valuation sparks questions, and Nvidia leads amid rising competition.


The artificial intelligence sector continues to be a major driver of growth for both the U.S. and global economies. Companies at the forefront of AI innovation are influencing market trends and reshaping industries worldwide.

Meta’s stock has rebounded slightly following reports of potential cost-cutting measures and job reductions in its Reality Labs division. Investors are watching closely as the company adjusts its strategy to manage rising expenses and optimize innovation.

Palantir is trading at over 120 times forward sales and 180 times forward earnings, signaling investor confidence but also raising questions about valuation risks. Meanwhile, Nvidia maintains a market cap of $4.2 trillion as a leading AI chip supplier, yet competition is ramping up.

These moves highlight the growing tension between tech giants’ AI ambitions and the practical need to balance profits with heavy R&D spending.

Some analysts, however, warn that rapid growth may not be sustainable, with current levels of AI-related spending potentially overshooting realistic returns.

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#AIStocks #TechInvesting #Nvidia #Meta #Palantir #ArtificialIntelligence #StockMarket #TickerNews


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AI investments set to surge in 2026 as companies target productivity gains

Analysts forecast $500 billion AI investment by 2026, transforming corporate spending priorities and enhancing economic productivity.

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Analysts forecast $500 billion AI investment by 2026, transforming corporate spending priorities and enhancing economic productivity.


Analysts predict that artificial intelligence companies could invest over $500 billion in 2026, signaling a major shift in corporate spending priorities. This surge in capital allocation comes as businesses look to harness AI to drive growth and efficiency across multiple sectors.

Following strong third-quarter earnings, overall capital spending estimates for 2026 have been revised upward. However, investors are becoming more selective, focusing on companies that can clearly demonstrate revenue benefits from their AI investments, separating hype from tangible results.

AI adoption is expected to boost economic productivity, with significant investment already flowing into AI infrastructure such as semiconductors and data centres. The coming year could redefine how companies leverage technology to gain a competitive edge.

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#AIInvestment #TechGrowth #FutureEconomy #DataCenters #Semiconductors #ArtificialIntelligence #ProductivityBoost #CapitalSpending


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Stocks, AI and the economy: What to expect in 2026

2025’s market turmoil analyzed: AI hype, tariffs, global politics, and Federal Reserve impacts—tune in for expert insights!

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2025’s market turmoil analyzed: AI hype, tariffs, global politics, and Federal Reserve impacts—tune in for expert insights!


2025 has been a rollercoaster for investors, with AI hype, tariffs, and global politics shaking up markets. We break down what these trends mean for your portfolio and the risks ahead.

Joining us for insights is Kyle Rodda from Capital.com, who explains how Treasury yields, unemployment data, and inflation readings are shaping investor sentiment. We also dive into what the Federal Reserve’s recent moves could mean for 2026.

From the potential impact of a 43-day government shutdown to payroll numbers and market expectations, this episode gives you the clarity you need to navigate the next year in stocks.

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#StockMarket #Investing2026 #AIStocks #FederalReserve #EconomyWatch #MarketTrends #FinanceNews #TreasuryYields


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