On May 22, 2020, at 2:49 PM, Sprinkler Academy - C Bilbo via Sprinklerforum
<sprinklerforum@lists.firesprinkler.org> wrote:
>
> ..... for the record a micron is about the thickness of a sheet of paper.
>
No way. Is not a micron a millionth of a meter? A meter is about 39 inches.
That means an inch is slightly more than 25641 microns. I’ve got an unopened
ream of printer paper here that is 2 1/8” thick and it consists of 500 sheets.
Say it is 2” thick to make the numbers easier. So 1” is 250 sheets, not 25641
sheets. A micron being the thickness of a sheet of paper is two orders of
magnitude off the mark. You meant to say a micron is about one hundredth the
thickness of a sheet of paper. A lot of microns can fit on the head of a pin.
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