The spoofing problem: Why tech platforms' age verification may not protect minors
As platforms rush to verify users' ages, experts warn consumer-grade cameras lack the technology to reliably authenticate minors.
Dec 17, 2025
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Consumer & Gadgets
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Electronics & Semiconductors
Confined crystallization strategy improves spray-coated perovskite device performance
Metal halide perovskites are promising for next-generation high-efficiency photovoltaic and optoelectronic devices due to excellent tunable properties and solution processability. Recent fabrication techniques (such as spin ...
Dec 17, 2025
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Energy & Green Tech
Sodium-ion batteries can charge faster than lithium counterparts with hard carbon electrodes
The worldwide push for sustainability requires better, more durable batteries to support renewable energy systems and ubiquitous electronic devices.
Dec 17, 2025
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Consumer & Gadgets
Drivers struggle to multitask when using dashboard touchscreens, study finds
Once the domain of buttons and knobs, car dashboards are increasingly home to large touchscreens. While that makes following a mapping app easier, it also means drivers can't feel their way to a control; they have to look. ...
Dec 17, 2025
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Business
China's MetaX soars 755% on debut on hopes for domestic chipmakers
Shares in China's MetaX, which makes high-end chips used to power AI systems, rocketed more than 750% on its debut in Shanghai on Wednesday, fueled by hopes of the country's potential to challenge US powerhouse Nvidia.
Dec 17, 2025
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Internet
Grok spews misinformation about deadly Australia shooting
Elon Musk's AI chatbot Grok churned out misinformation about Australia's Bondi Beach mass shooting, misidentifying a key figure who saved lives and falsely claiming that a victim staged his injuries, researchers said Tuesday.
Dec 17, 2025
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Energy & Green Tech
Modified sodium-ion battery material boosts energy storage and durability
Sodium-ion batteries are a cheaper and more abundant alternative to lithium-ion batteries, and they could power future electric cars and grid storage if they could be made to store enough energy. NaNi1/3Fe1/3Mn1/3O2 is a ...
Dec 17, 2025
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Internet
Internet shutdowns are increasing dramatically in Africa—a new book explains why
Between 2016 and 2024 there were 193 internet shutdowns imposed in 41 African countries. This form of social control is a growing trend in the continent, according to a new open-access source book. It has provided the first-ever ...
Dec 17, 2025
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Energy & Green Tech
The quiet experiment that changed solar power: First solid-state solar cell based on a perovskite semiconductor
Long before perovskite solar cells began smashing efficiency records and transforming the future of clean energy, their modern design first emerged from a quiet experiment at Northwestern University.
Dec 16, 2025
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Energy & Green Tech
Long-standing limitation in thin-film solar cells resolved with nanometric germanium oxide layer
As the world urgently seeks clean energy solutions, solar power stands out for its abundance and scalability compared to other renewable energy sources. In recent years, researchers have turned to thin-film solar cell technologies ...
Dec 16, 2025
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