On Sunday 29 March 2009 09:04:03 Teran McKinney wrote: > I like to think of the speed of light relative to the total distance > travelled in your car. 300Mm~ isn't too uncomon to see on some > odometers. If after driving a car for 15 years you hit 300Mm, you've > travelled the distance that light passes in one second :-). > > In properly metricated countries, do most people use Mm or something > like "thousands of km" to show distance to Mm accuracy? I think that > it seems like a very handy unit.
I've written a page at http://phma.optus.nu/Metric/megameter.php to help people think in megameters. I just added Detroit and Philadelphia because of a trip I'm planning. Suggestions welcome (but I don't know when I'll have time to work on it). Pierre
