Did you know that water droplets are perfectly spherical? You could measure it for yourself if you could remember the formula for the volume of a sphere and if you had one of these pi shower curtains featuring pi to 4,600 decimal places.

Did you know that water droplets are perfectly spherical? You could measure it for yourself if you could remember the formula for the volume of a sphere and if you had one of these pi shower curtains featuring pi to 4,600 decimal places.

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