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A comment on How to cool your apartment for free: DIY aircon uses old plastic bottles. Parent comment
It’s the same as blowing on your hand with your mouth wide open – the air is hot.
Now, when you blow with your lips pursed the air is cool – Eco-Coolers do the same thing.
Which does feel like it works...
Illustration: http://i.dailymail.co.uk/i/pix/2016/06/10/18/3521DBE60000057...
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It’s the same as blowing on your hand with your mouth wide open – the air is hot.
Now, when you blow with your lips pursed the air is cool – Eco-Coolers do the same thing.
Which does feel like it works...
Illustration: http://i.dailymail.co.uk/i/pix/2016/06/10/18/3521DBE60000057...