The trick my nana taught me involves using a simple plastic bag filled with water and a few coins. It may sound strange, but this method has been used for generations in various cultures to keep flies away. The idea is to hang the bag near doors, windows, or any area where flies tend to gather.
The theory behind this trick is that the water and coins create a prism effect that confuses the compound eyes of flies, making them perceive the area as dangerous or unappealing. This simple optical illusion is enough to deter them from entering the space.
4. How This Trick Works in Just 5 Minutes
Setting up this trick is incredibly quick and easy. All you need is a clear plastic bag, water, and a few shiny coins. Fill the bag about halfway with water, drop in the coins, and seal it tightly. Then, hang the bag in a strategic location where flies are a problem.
Within minutes, you’ll notice a significant reduction in the number of flies in the area. The reflective properties of the water and coins create a visual disturbance that flies find disorienting, effectively keeping them away without the use of harmful chemicals or unsightly traps.
5. Zero Effort Required: The Science Behind It
The science behind this trick lies in the unique visual system of flies. Flies have compound eyes, which are made up of thousands of tiny lenses. This gives them a wide field of vision but also makes them sensitive to light and movement.
The water and coins in the bag create a kaleidoscope effect that refracts light in multiple directions. This confuses the flies’ vision, making it difficult for them to navigate the area. The result is a simple yet effective deterrent that requires no ongoing effort or maintenance.
6. Materials Needed for the Trick
To implement this trick, you’ll need the following materials:
– A clear plastic bag (preferably a sandwich or quart-sized bag)
– Water (enough to fill the bag halfway)
– Shiny coins (3-5 coins, such as pennies or nickels)
– A string or twist tie for hanging the bag
All of these materials are inexpensive and easy to find, making this trick accessible to anyone looking to keep flies away.
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