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Peacock Feathers Emit Twin Lasers After Triple Dye Bath, Confound Physicists

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Image & Source: arstechnica

Peacock feathers, once triple-dipped in common dyes, now emit dual-frequency laser beams—answering hot queries like 'How do animals produce lasers?' and 'What is a photonic crystal?' Researchers at Scientific Reports confirmed the effect in eyespot regions, noting the green zones cranked out the brightest laser light. As the authors dryly observed, 'It's the first example of a biolaser cavity in the animal kingdom.'

Building on the triple stain laser spectacle, scientists discovered only multi-soaked feathers pulsed out this dazzling emission—not single-dipped ones. Trending searches—'Can peacock feathers replace lasers in tech?' and 'Why do peacock feathers shine?'—spiked. Imagine a stealth disco rave under a microscope, with peacock barbs subbing as fiber optic cables. The researchers, unable to pinpoint the laser’s exact birthplace, called the result 'unexpectedly illuminating.'

Each peacock feather, after three dye cycles, delivered two distinct laser wavelengths only from its eyespot—making your grandmother’s brooch a potential physics experiment waiting to outshine your LED Christmas display.

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