Scientists have made a groundbreaking discovery by developing contact lenses that can convert invisible infrared light into visible colors, allowing humans to see this type of radiation for the first time without bulky equipment or power sources.
The innovative lenses use specially engineered nanoparticles that absorb infrared light and convert it into light our eyes can see. In testing, mice wearing these lenses were able to navigate away from infrared light, demonstrating that they could see infrared wavelengths. Similarly, humans were able to perceive flickering codes and light directions through the contact lenses.
One of the most impressive features of these contact lenses is their ability to work even with eyes closed. This superior penetration of infrared light reduces interference from visible light, allowing users to receive more accurate information.
Researchers have also developed a color-coding system using nanoparticles that convert different infrared wavelengths into distinct colors. This technology could potentially help people with color blindness see the invisible spectrum.
The scientists behind this innovation believe it has many potential applications, including security, rescue, encryption, and anti-counterfeiting settings. However, there is still room for improvement, as the current lenses can only detect infrared radiation projected from an LED light source.
Future research aims to increase the sensitivity of the nanoparticles to detect lower levels of infrared light and improve their spatial resolution. With this technology, humans could potentially see a wider range of infrared wavelengths, opening up new possibilities for scientific discovery and practical applications.
Source: https://scitechdaily.com/from-sci-fi-to-superpower-these-contacts-let-you-see-in-the-dark-with-your-eyes-closed