Units of Measurement
Why is it if you ask someone who lives near London how far away somewhere is, they invariably reply using time as a unit of measurement. ie how far from St albans to Heathrow? answer 20-30 minutes. This is wildly inaccurate by donkey
Recently ( like today) some one asked about seat height and a response was to get abike between 400-800cc. Engine size bears little relationship to seat height. I have a friend with a 1400cc Honda, that has a really low seat height.
Lower even than my Enfield which in turn is lower than an 800cc bmw rt.
These generalisations tend to breed urban myths and get to be a very unreliable source of information.
I was once told by someone who should habe known better that a unit of centigrade is about twice that of farenheight. Nearly true at 100 C but obviously wrong at -40
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