For years, scientists have explored the potential of glass as a long-term data storage medium, drawn to its ability to preserve information for eons without requiring power. One promising candidate is photochromic glass, a special type of glass that changes color when exposed to different wavelengths of light. Now, researchers have developed a doped photochromic glass that can potentially store and rewrite data indefinitely, according to a study published today (February 26) in ACS Energy Letters.
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