NASHUA – Perhaps the most unusual product ever made by a Nashua company is still going strong, despite efforts to replace it with a more modern version – not to mention the fact that you and your ...

Telegraph reporter Dean Shalhoup uses a power washer to clean off some of the triangular manhole covers that the Nashua Historical Society is auctioning off.

When walking down the street, you probably don’t stop to notice the manholes on the road. And if you have, you may not have realized that nearly all of them are round—or that those with other shapes ...

Manholes are an essential yet overlooked part of urban infrastructure. They provide access to the underground systems that are important for maintaining the flow of water, sewage, and electrical ...

Manhole covers are usually round. Most people probably don't spend their days thinking about why that is. But there's actually a cool geometry reason behind the design: Circle-shaped things can't fall ...

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As the story goes, there’s a famous job interview question first used by Microsoft: “Why are manhole covers round?” Our latest episode of The Untapped New York Podcast covers many of the famous and ...