I always thought a micrometer was the nifty tool I used to measure the crankshaft bearing surfaces and such when I rebuilt an engine.... ----- Original Message ----- From: "Ken Harris" <kharrismar@earthlink.net> To: "Utah Astronomy" <utah-astronomy@mailman.xmission.com> Sent: Friday, May 19, 2006 07:57 PM Subject: RE: [Utah-astronomy] Micron / micrometer
What's the matter, Patrick? Can't sleep, or just too much spare time?
Ken Harris Great Salt Lake Shipmodeling & Research Society NRG member Salt Lake Astronomical Society
[Original Message] From: Patrick Wiggins <paw@wirelessbeehive.com> To: utah astronomy listserve <utah-astronomy@mailman.xmission.com> Date: 5/19/2006 6:19:30 PM Subject: [Utah-astronomy] Micron / micrometer
A micrometer is defined as one-millionth of a meter.
A micron is defined as a thousandth of a millimeter.
But since there are 1,000 millimeters in a meter a micron can also be called a micrometer.
So if a micron and micrometer are the same thing, why the two names?
Puzzled...
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