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Nvidia’s stock plummeted 18% due to investor concerns about Chinese AI startup DeepSeek, erasing a record $560 billion from its market capitalization.
The decline had a ripple effect on the market, causing the S&P 500 to fall as much as 2.3% and the Nasdaq 100 to tumble as much as 3.6%.
DeepSeek’s low-cost AI model has sparked concerns that US companies have overspent on AI development, and that the Chinese firm’s approach could disrupt the current AI business model. Gregory Allen, Director of the Wadhwani AI Center at the Center for Strategic and International Studies joins Balance of Power to discuss.
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Another question is how bacteria form these tubes, and under what conditions. The tubes are not much longer than an individual cell, and Prochlorococcus, in particular, is thought to spread out in the water column. Muñoz-Marín and her team are curious about the concentrations of bacteria required for a network to form. “How often would it be possible for these independent cells to get close enough to each other in order to develop these nanotubes?” García-Fernandez asked. The current study shows that nanotubes do form among wild-caught cells, but the precise requirements are unclear.

Looking back at what people thought about bacterial communication when he began to study marine cyanobacteria 25 years ago, García-Fernandez is conscious that the field has undergone a sea change. Scientists once thought they saw myriad individuals floating alongside each other in immense space, competing with neighboring species in a race for resources. “The fact that there can be physical communication between different kind of organisms—I think that changes many, many previous ideas on how the cells work in the ocean,” he said. It’s a far more interconnected world than anyone realized.

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Join Jay Leno in this exclusive episode of Jay Leno’s Garage as we take a first drive and an in-depth tour of the revolutionary 2026 Tesla Model Y! Packed with cutting-edge features, including matrix headlights, improved aerodynamics, and a luxurious, all-new interior, this is Tesla’s most advanced SUV yet. Learn directly from Tesla’s lead designers and engineers about the innovations that make this Model Y a game-changer.

Don’t miss this exciting ride-along packed with performance stats, unique design elements, and behind-the-scenes stories. Buckle up for a closer look at the future of electric vehicles!

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Entanglement—linking distant particles or groups of particles so that one cannot be described without the other—is at the core of the quantum revolution changing the face of modern technology.

While entanglement has been demonstrated in very small particles, new research from the lab of University of Chicago Pritzker School of Molecular Engineering (UChicago PME) Prof. Andrew Cleland is thinking big, demonstrating high-fidelity entanglement between two acoustic wave resonators.

The paper is published in Nature Communications.

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Excitons, encountered in technologies like solar cells and TVs, are quasiparticles formed by an electron and a positively charged “hole,” moving together in a semiconductor. Created when an electron is excited to a higher energy state, excitons transfer energy without carrying a net charge. While their behavior in traditional semiconductors is well understood, excitons act differently in organic semiconductors.

Recent research led by condensed matter physicist Ivan Biaggio focuses on understanding the mechanisms behind dynamics, quantum entanglement, and dissociation in organic molecular crystals.

The paper is published in the journal Physical Review Letters.

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Researchers at the University of Houston’s Texas Center for Superconductivity have achieved another first in their quest toward ambient-pressure high-temperature superconductivity, bringing us one step closer to finding superconductors that work in everyday conditions—and potentially unlocking a new era of energy-efficient technologies.

In their study titled “Creation, stabilization, and investigation at of pressure-induced superconductivity in Bi0.5 Sb1.5 Te3,” published in the Proceedings of the National Academy of Sciences, professors Liangzi Deng and Paul Ching-Wu Chu of the UH Department of Physics set out to see if they could push Bi0.5 Sb1.5 Te3 (BST) into a under pressure—without altering its chemistry or structure.

“In 2001, scientists suspected that applying high pressure to BST changed its Fermi surface topology, leading to improved thermoelectric performance,” Deng said. “That connection between pressure, topology and superconductivity piqued our interest.”

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