Robert Brownlee was on the Operation Plumbbob team that launched an object in space before Sputnik. They put a manhole cover above a nuke underground, and the explosion shot the iron cap into space.

ST. JOHNS COUNTY, Fla. — Manhole inspections and smoke testing of the sanitary sewer system started in St. Johns County on Monday. Smoke testing is performed periodically to identify sources of ...

You see them in every city across the world, but what is a manhole exactly? Manholes have been around for decades and usually go unnoticed to the average city resident. With around 12 million sewer or ...

Some might think replacing a manhole casing, or lid, and bringing it up to grade is an easy job. But what about when you're replacing over 1,000 manhole casings? FeeCorp Environmental Company did just ...

A worker suffered a traumatic head injury when he was hit by a manhole cover that popped up during water pressure testing. A second worker had minor injuries and both were taken to Columbia Memorial ...

Public Works Department (PWD) has issued a standard operating procedure (SOP) mandating strict safety protocols for sewage ...

A Con Edison crew replaces underground secondary-cable in Lower Manhattan. When snow or sleet hit New York, hundreds of trucks roll to drop salt on the slickened streets. The salt helps drivers avoid ...

Starting with the US nuclear weapons development project ' Manhattan Project,' more than 1000 nuclear tests were conducted in the United States between 1945 and 1992 alone. One of these experiments is ...

When I first saw this story on an old Quora thread, I didn't believe it. It wasn't like that. This manhole cover was shot into space with a nuclear bomb. Robert Brownlee, an astrophysicist who ...

Smoke testing is performed periodically to identify sources of stormwater inflow and/or groundwater infiltration entering the city’s sewage collection system, according to a news release. Here is the ...