UK researcher uses maths to explain seeming inevitability of phenomenon experienced by many motorists It is a situation experienced by many motorists: one driver overtakes another only to find the slower car is right behind them when they reach a red light. Now a researcher has used mathematics to reveal why the situation feels inevitable. Dr Conor Boland from Dublin City University has called his work “The Voorhees law of traffic”. Continue reading... from The Guardian https://ift.tt/R2J7yiP via IFTTT
Downing of Francis Scott Key Bridge disrupts shipping of cars and parts and risks loss of Baltimore’s cargo trade to other ports
The US transportation secretary, Pete Buttigieg, has warned of “major and protracted impact to supply chains” following the closure of the Port of Baltimore for the forseeable future after Tuesday’s catastrophic bridge collapse, though some experts said the impact was likely to be targeted to particular regions and industries.
Spanning more than 2km and with four lanes of traffic, the Francis Scott Key Bridge – a vital artery in Baltimore’s industrial heartland – took nine years to plan and almost five to build, but came down in under a minute after being struck by a cargo ship in the early hours of Tuesday.
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