Progress at last on vehicle dimension signs

The 2016 traffic sign regulations banning new imperial-only vehicle dimension signs were laid before Parliament on 23 March 2016 and came into force on 22 April. Ronnie Cohen looks at the chequered history of this commonsense reform.

Continue reading “Progress at last on vehicle dimension signs”

The curse of conversion factors

In this article, Ronnie Cohen looks at lists of plausible conversions in both directions between imperial units still in use in the UK and metric units.

Continue reading “The curse of conversion factors”

The battle for measurement supremacy

In December 2015, television weather forecasters expressed our record rainfall in millimetres while the national newspapers stubbornly stuck to inches. Apparently, the use two different measurement systems for the same phenomenon is alive and well in the UK. Ronnie Cohen looks at other aspects of British national life where two competing systems are used for measuring the same thing.

Continue reading “The battle for measurement supremacy”

A Biblical specification and a problem solved (almost)

We are justifiably proud in England of the legal principles laid down in Magna Carta in 1215, but less supportive of its command, “Let there be one measure …”. However, weights and measures laws are as old as civilisation. In this article, Ronnie Cohen looks at a unit of length from 3000 years ago, and makes a comparison with today.

Continue reading “A Biblical specification and a problem solved (almost)”