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Ingenious ruler design unites metric and imperial measurements
mardi 2 avril 2019, 17:08 , par BoingBoing
I can't wait to make something out of wood using Matthias Wandel's ingenious solution to the greatest division in human society: the Metric and Imperial Unified Ruler.
Metric people like nice convenient units, decimal, and being able to make easy calculations. Inches people like complicated fractional units. So I have come up with a new ruler to unite the two. It has nice millimeter and centimeter sized increments, but uses inches as the scale. I present to you, my new universal fractional ruler! The centimeter and millimeter sized divisions are labeled with fractional inch units. Not to be confused with fractional rulers [Amazon]; this is much more useish!
https://boingboing.net/2019/04/02/ingenious-ruler-design-unites.html
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56 sources (32 en français)
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ven. 1 nov. - 14:41 CET
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