Hardware

Novel photochromic glass can store rewritable 3D patterns

For decades, researchers have been exploring how to store data in glass because of its potential to hold information for a long time—eons—without applying power. A special type of glass that changes color in different wavelengths ...

Hardware

Tiny chip could offer spectral sensing for everyday devices

Imagine smartphones that can diagnose diseases, detect counterfeit drugs or warn of spoiled food. Spectral sensing is a powerful technique that identifies materials by analyzing how they interact with light, revealing details ...

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