Engineering

Harvesting heat and electricity from the sun, when you need it

Solar energy is abundant and frustratingly ill-timed. A sunbeam can become either electricity (useful for running modern life) or heat (useful for keeping spaces warm). But conventional solar hardware is single-minded: Photovoltaic ...

Electronics & Semiconductors

Lead-free thin films turn everyday vibrations into electricity

Powerful electronics don't have to come at an environmental cost. Scientists at Osaka Metropolitan University have developed high-performance, lead-free piezoelectric thin films directly on standard silicon wafers. Their ...

Hi Tech & Innovation

Tiny cameras in earbuds let users talk with AI about what they see

University of Washington researchers developed the first system that incorporates tiny cameras in off-the-shelf wireless earbuds to allow users to talk with an AI model about the scene in front of them. For instance, a user ...

Consumer & Gadgets

LLMs and creativity: AI responses show less variety than human ones

Can using a large language model (LLM) make a person more creative? Prior work has shown that using LLMs can make creative outputs more homogeneous, but this homogenization could stem from the specific LLM used or from widespread ...

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