Simply activating a tiny number of neurons can conjure an entire memory

In a new MIT study, researchers used optogenetics to show that memories really do reside in very specific brain cells, and that simply activating a tiny fraction of brain cells can recall an entire memory — explaining, for example, how Marcel Proust could recapitulate his childhood from the aroma of a once-beloved madeleine cookie. “We …

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Quantum Cryptography communication may not be secure for more than one use

Arxiv- Prisoners of their own device: Trojan attacks on device-independent quantum cryptography (7 pages) Device-independent cryptographic schemes aim to guarantee security to users based only on the output statistics of any components used, and without the need to verify their internal functionality. Since this would protect users against untrustworthy or incompetent manufacturers, sabotage or device …

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Nanoparticle infused film for moisture-resistant coating can enable cheap flexible plastic electronic devices

A nanoparticle-infused film brings innovative lighting and display technologies closer to reality. A moisture-resistant coating that extends the lifetime and reliability of plastic electronic devices, such as organic solar cells or flexible displays, has garnered the intense interest of developers of next-generation lighting materials. By cranking out large sheets of polymers bearing electronic circuitry using …

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