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Urban Contaminant Release

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This simulation explores how dangerous particles could spread in lower Manhattan. Here particles are colored by their velocity relative to the wind speed.

In this top-down view, the particles spread, initially in a high concentration by following the streets between buildings.

Drafts on the wind-protected side of skyscrapers help lift particles to higher elevations.

←Jack Long Bursts

Volatile Droplets→

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Understanding Fish and Turbines
April 22, 2026
A Fungus That Freezes Water
April 21, 2026

FYFD

Celebrating the physics of all that flows

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