Pentagon makes deal to expand use of Google AI: reports
The Pentagon has arranged a deal to increase its use of Google's artificial intelligence in classified operations, U.S. media outlets reported on Tuesday.
Apr 29, 2026
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Machine learning & AI
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Machine learning & AI
An experimental cafe run by AI opens in Stockholm
The avocado toasts and baristas making foamy lattes make it look like any other café, except at this one, located in a Stockholm residential neighborhood, artificial intelligence (AI) is running the place.
Apr 29, 2026
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Machine learning & AI
Anxiety, resentment around AI spur violence against tech's figureheads
Several proponents of artificial intelligence (AI) have become the victims of violent acts in recent days, reflecting the existential dread around the emerging technology—and the public's growing resentment towards its advocates.
Apr 29, 2026
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Engineering
Cell phone-based maps could reshape city planning, from bus schedules to traffic hotspots
Understanding how people use the spaces they inhabit—where they live, work, and gather—is key to effective urban planning that meets their needs. For example, knowing which routes are most commonly used to travel from residential ...
Apr 28, 2026
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Computer Sciences
Can AI quantify beauty? New study suggests it can't
Attempts to define human beauty using artificial intelligence may reveal more about bias in data than universal standards, according to a new analysis from the University of Virginia's School of Data Science. Using computer ...
Apr 28, 2026
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Energy & Green Tech
Computer-designed thermoelectric generator achieves more than 8-fold improvement in efficiency
A thermoelectric generator with a shape that no human designer would likely have imagined has now been created by a computer—and it performs more than eight times better than conventional designs. Rather than relying on intuition ...
Apr 28, 2026
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Engineering
A solar cell moonlights as an LED, both absorbing and emitting light more efficiently
Imagine a display that harvests ambient light when it is not actively in use, offsetting some of its own energy consumption. Materials physics shows that this is possible; the same semiconductor material can, in principle, ...
Apr 28, 2026
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Machine learning & AI
Amazon touts a 'major expansion' with OpenAI as Microsoft ties loosen
Amazon announced what it called a "major expansion" of its partnership with ChatGPT maker OpenAI on Tuesday, a day after the artificial intelligence company said it was loosening its ties to longtime backer Microsoft.
Apr 28, 2026
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Energy & Green Tech
Molecular interface tweak unlocks more reliable perovskite solar cells, challenging common assumption
Perovskite solar cells are a rapidly advancing photovoltaic technology that has seen a dramatic rise in power conversion efficiency in recent years. A key driver of this progress is the use of molecular charge-selective contacts—ultrathin ...
Apr 28, 2026
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Machine learning & AI
OpenAI 'stole a charity': Musk accusations open blockbuster AI trial
Elon Musk and OpenAI boss Sam Altman faced off in a California federal court Tuesday in a blockbuster trial that could have far-reaching consequences for the AI industry and oblige the ChatGPT maker to profoundly revamp its ...
Apr 28, 2026
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