Sergey Dryga wrote:

>> And believe me, the USA /is/ going metric. 

> An example of the USA going to metric, from my recent experience of purchasing 
> replacement glass for a window:
> me: Do you have replacement glass?
> store: Yes we do.  What thickness do you need?
> me: 3 mm
> store: Huh? Can you say it again please?

:)  I know about these, too. They will only start to sell glass measured in
mm when no imperial glass is available on the market anymore. But it seems
to me that I see a slowly growing amount of mechanical specs in metric or
metric and imperial units. 

Additionally, the rest of the world is (almost) metric. (Notwithstanding
the pints in England :)  Science in the USA is metric. The automotive
industry in the USA is metric. The rest will follow, sooner or later. 

> If NASA gets confused, is there any hope for "regular" folks?

That's exactly what I'm talking about -- there's no way this dual system
can work well.

> learned to convert C<->F, in<->cm and L<->gal in my head.

I went through this also... :)

Gerhard

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