Dear Bill, And I would argue that we also need a measure for angles, as it is essential for building.
Cheers, Pat Naughtin Geelong, Australia on 2001/11/22 05.15, Barbara and/or Bill Hooper at [EMAIL PROTECTED] wrote: > Harry Wyeth commented: >> ... it >> will suffice if we can simply increase use of the "big three", being the >> liter, the kilogram, and the kilometer (and their subdivisions). > > I don't think that the "Big Three" would quite suffice. I think we need to > include degrees Celsius and watts and maybe (although a bit less important) > kilopascals and kilojoules. Various combinations like kilometres per hour > need to be included, also (and perhaps Wyeth meant to include them). These > are all used in common everyday situations. (The lengthy list of examples is > relegated to a footnote below.*) > > Regards, > Bill Hooper > ===================== > > *Examples: > > Degrees Celsius are used, not only for air temperature but also for body > temperature and cooking temperature. > > Watts are used to measure rate the power of light bulbs and other household > appliances while kilowatts are used to rate the power of motors, including > automobile engines. > > Kilopascals can be used to measure blood pressure and tire pressure as well > as atmospheric pressure in weather reports. > > Kilojoules will replace calories in deitetics. Heating and cooling systems > will increasingly be measured in kilojoules per hour. (And the watt can be > explained as nothing more than a joule per second.) > > Commonly encountered combinations include the following among others: > > speeds are measured in kilometres per hour, > > fuel economy can be measured in kilometres per litre (or its reciprocal in > litres per megametre), > > health reports (such as from blood samples) give the contents of things like > cholesterol and sugar in grams per litre and variations thereof, > > etc., etc. > > ============ > Keep It Simple! > Make It Metric! > ============ >
