3 ms·
Can't birds see into the ultraviolet part of the spectrum? I wonder if you could get the blades to emit enough UV light for them to avoid it.
by Analemma_ 6y ago
Can't birds see into the ultraviolet part of the spectrum? I wonder if you could get the blades to emit enough UV light for them to avoid it.
- barbegal 6y agoIf anything the black works because it absorbs UV (and visible) light.
- Someone 6y agoYou would have to check whether emitting UV light attracts insects. If they do, chances are the insects would attract insect-eating birds, and death rate could go up, even if the birds can see the blades better.