Scientists invent long-lasting, near infrared-emitting material
Monday, November 21, 2011 - 15:10
in Physics & Chemistry
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...