M. Adam Davis wrote:
> There are about 100,000 hairs on the head alone, which means that the
> total length of hair growth over all those head hairs is ~0.46mm per
> second.

Using 1/2 inch per month per hair and your figure of 100,000 hairs I get a
total length of 490um grown per second, or 2.9 furlongs/fortnight to put it
in more familiar terms.


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