fans are replaced by air conditioners is mainly because the wind from fans is also hot in summer and has no effect. Today, Blue Jade Rabbit will teach you a trick to make the fan blow "cool" air, which can also help you save a lot of money on electricity bills.
1. Fan + ice water: First, we can prepare an empty plastic bottle, and then fill it with clean water. Do not fill it up, only two-thirds of the bottle is enough. Then put an appropriate amount of table salt in the water bottle and shake it well. The reason why salt is added is because the freezing point of table salt will be lower than the freezing point of water, so the ice brine obtained will be even colder. We then put the water with salt in the refrigerator, and after it freezes, take it out and hang it in front of the fan, so that the fan will blow cool air.
2. Fan + plastic bottle: Everyone knows that when we breathe to warm our hands in winter, we will keep opening our mouths to exhale, and when we eat something that is too hot, we will blow with our mouths pouted. This is because when we open our mouths wide, the breath we exhale is warm, while when we pout our mouths, the breath we exhale is cool. So the same goes for the fan. What we have to do is to make the fan "pout" to blow air for us. First find a few plastic bottles, divide the plastic bottles into two sections, then prepare a cardboard or plastic board, cut holes on it according to the size of the plastic bottle, and use hot melt glue to fix it on the plastic board or cardboard . Finally, hang it on the fan. The opening of the bottle is the "pouting mouth" of the fan. At this time, the wind blowing out is particularly cool.
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