The journey from having a neat idea to actually realizing it can be long and arduous, as shown by the + Pool. Some 13 years after we first saw it, the plan to creating a floating and self-filtering ...

The plus-shaped floating pool is designed to filter water through its walls without any chemicals or additives, having the capacity to clean over 1,000,000 gallons of water a day. This new type of ...

It’s a beautiful vision for a city surrounded by water: On a sweltering day in New York, you emerge from the concrete canyons of Manhattan, reach the vast East River and dive in without a second ...

The Lower East Side is looking on the Plus side. The long-promised “+ POOL” — a futuristic floating swimming pool designed to buoy bathers in the East River — will open off Pier 35 along the Lower ...

A rendering of the Plus Pool in the East River — the actual test pool slated to open in 2025 will be smaller. Photo: + Pool I was doing water-quality measurements in New York and the founders came to ...