Long-lasting, near infrared-emitting material invented
Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little success creating materials that emit light in the near-infrared range, a portion of the spectrum that only can be seen with the aid of night vision devices.
Researchers at the University of Georgia have developed a new material that emits a long-lasting near-infrared glow after a single minute of exposure to sunlight. By mixing it with paint, they were able to draw an image of the university's logo. (Credit: Image courtesy of University of Georgia)
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