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this post was submitted on 08 Sep 2023
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Asklemmy
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The fact that things are able to float, despite of gravity pulling all objects towards the big mass of Earth. You would think that the push of gravity should be more than enough to overcome the slight fluid displacement that allows balloons and boats to push away from the Earth's surface.
Gravity is pretty weak, all things considered. A tiny magnet can easily overcome the entire Earth's gravity on a small metal object.