How many pins is possible to put in a glass completely full of water?




As you can see in the video above, the answer is a lot! The is possible thanks a property called surface tension. The liquid’s surface molecules attract each other forming drops or the spherical layer over the glass formed by the volume occupied by pins.
This property of liquids allows small insects literally walk over the water without sink!
See more on Wikipedia

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How many pins is possible to put in a glass completely full of water?
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