Articles

How Many Studies Does it Take to Change a Lightbulb?

Part 1

By Noah Sabatier

Changing a light bulb in our home is perhaps the most simple task in which we can still credit ourselves for performing household maintenance. The amount of thought such an operation receives rarely extends beyond looking for the most efficient pack of bulbs on a store shelf. What happens however, when a municipal utility department has over 100,000 streetlights to change?

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Lighting for the Aging Eye

By Noah Sabatier

In 2022 nearly 1/3rd of the US population was over the age of 55. Many of us personally know someone who has struggled with vision as they age, these challenges becoming most present during driving. This issue is reflected in research, with older drivers displaying slower reaction times and higher collision rates compared to younger drivers. Driving performance differences become amplified at night, a time in which the aging eye has its greatest impact on visibility.

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The Streetlight Effect: Modern Considerations of Early Observations in the Psychology of Outdoor Lighting

By Noah Sabatier

It’s no secret that people don’t enjoy searching for something in the dark. Shadows dance, shapes shift and forms seemingly appear out of nowhere. The Streetlight Effect originated as an early 1900s anecdote in which a drunken man is searching for his keys. A police officer helps him search, resulting in both men spending several minutes under a streetlight. When the officer asks if the drunken man lost his keys under the streetlight he replies “no, this is where the light is”.

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