Today, we start the year with the 2023 edition of Guinness World Records, a famous annual publication. Obviously, this publication would not be possible without measurement. Unlike some foreign language versions of GWR2023, the English version is published with dual units to make allowances for metrication laggards like the UK and USA. GWR2023 contains some measurements in metric only and a few in imperial only, mainly related to records in the US, but the vast majority of measurements are predominantly expressed in dual units.Continue reading “GWR2023 reflects our measurement muddle”
Ronnie Cohen looks back at the 1963 Worboys Committee report and reviews how well the current version of the TSRGD addresses the main criticisms of the earlier traffic signs system and the Committee’s findings and recommendations. He suggests ways that current signage can be improved to meet the Worboys ideals.