On Aug 8, 2010, at 3:43 PM, Michael Watterson wrote:

> [metric] dates from 1791 and the US has been teaching it in schools =20
> since the 1960s?

The schools are teaching it a lot less than they used to.  When I was =20
in school in the 60s and 70s they taught metric because (and as if) it =20
was assumed we would convert "real soon now."  Not any more; you tend =20
to use metric in the sciences, but no wholesale conversion effort.

Of course, my kids also didn't learn about converting quarts to pecks =20
and bushels...

Electronics is an interesting combination. 0.1 inch pitch is common, =20
but so is .6mm and .5mm...

BillW

--=20
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