It’s getting warmer and warmer as we get closer to the height of summer, and residents of big cities are naturally ramping up their air conditioners to full blast. hot air passes into the bottle, and because its passage up to and through the neck becomes narrower, it comes out a little cooler at the other end. Inside the home, the air is also cooled down. The change in temperature is only about 5 degrees, but in hot countries that can make all the difference. We at Bright Side love this idea — it’s simple, useful, and ingenious. And you might find that you can make use of it yourself one day!

Tagsdiy diy crafts summer diy