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In a very simplified way, light is nothing more than a set of electromagnetic waves which, when they reach objects, change frequency so that we can see different colors between blue and red. Human vision, however, is limited and unable to see certain frequencies, including ultraviolet (UV) light and infrared light.
Tech 01 October
Tech October 14
Because scientists at Tel Aviv University in Israel have just found a way around some of these limitations. Professor Haim Suchowski and his colleagues from the Department of Condensed Materials Physics were able to develop a common camera that can convert infrared light into a spectrum visible to the human eye. The technology is different from the infrared cameras we already have in cell phones, for example, by actually converting this spectrum of light into frequencies that we can see.
“Humans can see between red and blue. If we could see in the infrared region, we would see that elements such as hydrogen, carbon and sodium have a unique color, “says Suchowski.” So an environmental monitoring satellite could ‘see’ a pollutant emitted from a power plant, or a spy satellite could see where explosives or uranium are hidden. Also, since every object emits heat, in the infrared you can see all this information.
This achievement has a huge impact on science and technology as a whole. With it, researchers can even get a better view of a distant planet in search of alien life, games could provide unique experiences through technology, and we could even detect cancer in patients, as the disease has cells that concentrate molecules with the unique color signature.
The team of scientists has patented the invention and is developing the technology as part of the KAMIN project, an Israeli research incentive program. Furthermore, the researchers are also negotiating with companies around the world to use the system.
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