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 ...

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 ...

If you’re in the habit of looking down at your feet as you walk, you may have noticed that most manholes, and their covers, are round. Or perhaps you’ve been in a job interview where your prospective ...

A manhole cover is generally deemed successful if its round shape keeps pedestrians from plummeting into the earth, and communicates the subterranean systems below through its design. New York City ...

How many manhole covers are there in New York City? How are they made? Where do they lead to? In an episode of The Untapped New York Podcast we go over manhole covers 101 and discuss why New Yorkers ...