Bird-friendly glass looks like spider web to birds
A new bird-friendly glass has been developed by German company Arnold Glas: glass sheeting with a special ultraviolet (UV) reflective coating that is almost invisible to the human eye, but looks like a spider's web to birds. Birds are able to see a broader spectrum of wavelengths than humans, and can easily see the UV lines on the coating. The glass is claimed to reduce bird collisions by 76%.
https://phys.org/news/2010-08-bird-f...tm_name=iossmf
A new bird-friendly glass has been developed by German company Arnold Glas: glass sheeting with a special ultraviolet (UV) reflective coating that is almost invisible to the human eye, but looks like a spider's web to birds. Birds are able to see a broader spectrum of wavelengths than humans, and can easily see the UV lines on the coating. The glass is claimed to reduce bird collisions by 76%.
https://phys.org/news/2010-08-bird-f...tm_name=iossmf
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