Following on from the memory/storage thread...

[Highmac]

Still tech (IMHO) but I plead guilty to taking that thread off topic...

Bonus question for our British drivers:
Why are UK mpg numbers different than US mpg?
According to Omni Calculator, 41 US mpg is the same as 49.239 UK mpg or 17.43 kmpl (kilometers per liter).

I've found an answer to this odd situation. It starts with the Magna Carta... and there were changes made in the UK after the American Revolution.

The USA declared independence in 1776 and won that in 1783. This means that they did not get the (British) reforms of 1820, enacted in the Imperial Weights and Measures Act.This act abolished all old gallons, and introduced a new gallon, represented by ten pounds of water, at 62°F against brass weights in air...

Link to (Australian) Wendy Krieger's reply on Quora.com


As an aside, I do love it when the "related questions" list includes: "How many 1/2 gallons are there in a gallon?" The answer was certainly not one I would have given 

[jchuzi]

Here's another interesting question and answer:

Which is heavier, a pound of feathers or a pound of gold? The answer is feathers. Feathers are weighed in the Avoirdupois system and gold is weighed in the Troy system. An Avoirdupois pound weighs more than a Troy pound.

[Xairbusdriver]

I have to agree with you , Neil! I don't see how the "answer" really as anything to do with the question, mo matter what the 'precision' of the "½" might be. In my mind, it should always be 2 (+ or - nothing). Before or after 1820!    

[Highmac]

Missus just looked over my shoulder and said it must have been a problem buying a ten-gallon hat...