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🕒 8 hrs ago

US Scientists Revive 5,000-Year-Old Egyptian Blue for Modern Tech

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Image & Source: interestingengineering

Washington State University researchers have recreated Egyptian blue, a 5,000-year-old pigment, revealing its potential in modern technologies such as near-infrared imaging and security inks. This ancient pigment, once adorning pharaohs' tombs, now illuminates paths in biomedical imaging and telecommunications.

Beyond its historical allure, Egyptian blue's unique properties, including near-infrared luminescence, position it as a candidate for advanced applications like fingerprint detection and energy-efficient coatings. As researcher John McCloy notes, 'Modern science reveals hidden stories in ancient Egyptian objects.'

Remarkably, this pigment can be exfoliated into nanosheets so thin that over 80,000 could fit across a human hair, opening avenues in nanotechnology and material science.

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