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Ultrathin silicon structures can tune mid-IR light in billionths of a second

Light in the mid-infrared (mid-IR) portion of the electromagnetic spectrum plays a key role in modern sensing. Because molecules interact with this k…

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technology

Muscovite identified as a low-index building block for ultrathin van der Waals photonic components

Researchers have demonstrated that a naturally occurring mineral can serve as a low-loss optical material for next-generation broadband all–van der W…

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technology

Unveiling how nanoparticles create iridescence in ancient ceramics

Scientists led by the Universitat Politècnica de Barcelona and the ESRF, the European Synchrotron, have revealed the chemical reactions in nanopartic…

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technology

Learning without a brain—how bacteria store memories and remember the past like artificial neural networks

Learning is often thought to require a brain. But learning is a broad concept that does not necessarily depend on neurons. If an organism uses infor…

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