Gas Mileage, with a Side of British Units

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In the United States we measure how much gasoline an automobile uses in units of “miles per gallon”, often referred to as the car’s “fuel economy”. Elsewhere in the world it is measured in “liters (litres) per 100 kilometers”. Since both gallons and liters are volume measurements when we do a dimensional analysis of these … Continue reading Gas Mileage, with a Side of British Units

Robot Is A Hijacked Word

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The word “robot” has been hijacked. Twice. (Or thrice, if we want to be pedantic, but I won’t be.) THE ORIGINAL SPIN The word “robot” was introduced into the English language by the play R.U.R., written in Czech by Karel Capek, and first performed in Prague on January 25, 1921. R.U.R. stands for Rossumovi Univerzálni … Continue reading Robot Is A Hijacked Word