EidoScope

The observable examined

Elevatoring anyone?

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Almost all of us encounter traffic lights, not one but multiple times, during our daily commutes to work or the store. You may have also encountered, on an expressway, a series of traffic lights, that seem to be perfectly synchronized. Sometimes, it may feel like a shuttle bus where you hit red on every light.  When they do not interrupt your flow, you just cruise along else you cuss at them like they had an evil personality. Unless you are an engineering professional, you are unlikely to have stopped to think about how traffic lights actually work. In reality, traffic lights are a small part of an elaborate field of study called traffic engineering.  The video below offers a glimpse into that world.

If this piqued your interest, you can also read more about traffic light science here :  Science Daily- Traffic Lights.  For the formulation of traffic light design as a engineering logic problem, follow this link 

A few days ago, WSJ carried an article  – The Ups and Downs of Making Elevators Go– on elevators, something we may never have thought of as another mode of transportation. It profiles the life of Teresa Christy , an OTIS Fellow [OTIS is the famous elevator company and Fellow is usually the highest technical distinction in an organization].  She has spent the better part of a quarter century optimizing “elevator traffic and scheduling”. It is a great read (be sure to read the comments too, sometimes goofy but informative). The article also deals with cultural preferences in elevator design.  A short interview with Christy is also posted on NPRs marketplace.org site.

The fascinating interplay of science, technology, and culture, in something as  “mundane” as elevator design gave me my cognitive high for the day.

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Written by asterix98

December 6, 2012 at 7:05 am

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