1. Introduction

According to Bernoulli’s theorem, when air is moving very quickly, it is also under pressure. The funnels in our device compress air into smaller exits thus increasing the speed. When this fast moving air expands after it exits, it has an increased exposed surface area in contact with the surrounding air. This leads to the surrounding air cooling. Furthermore, this cool air is fast moving, thus a steady stream of cool air will move. This ensures that cooled air that has warmed up will keep moving.

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