Q: A couple of years ago we were sitting on our porch enjoying some beers, but not enjoying all the flies. A friend suggested hanging up plastic bags of water to repel the flies.We tried it, and it works, but we have never known
why. What’s the deal?
A: My first thought was that this was just about the most cockamamie idea I had ever heard, but then I looked at my pay stub and decided the water-bags thing didn’t sound so weird after all.
Apparently there is something to this, but no one seems to know why.
The idea is this