Letter Re: West Nile Virus
Hi Hugh, I recently heard from two people (one who stayed in Florida, the other in Texas) that restaurants were hanging zip-loc bags with water in them around their outside dining areas. Apparently, that repels mosquitoes and flies. Although no one could provide an explanation as to why it worked, I have a theory that may explain it. When sunlight passes through water droplets in the air (when it’s raining) the light bends as it passes through the surface of the water droplet. The different wavelengths of light bend at different angles. A second bending occurs when the light exits …