Archive - Spherical Harmonics

An Abandoned Highway Off-ramp in New York?

What Should Exit 12N Become?

Oct 13 • Eric Bolton and Brook Constantz

3:06

September 2026

You Can Just Clean Your Streets

Bushwick voted trash its biggest problem, so we picked up 65 pounds of it.

Sep 24 • Eric Bolton

1:43

August 2026

First, We Take Out the Trash

12 Lessons from our first Tactical Urbanism Adventure

Aug 31 • Eric Bolton and Brook Constantz

City Edit: First Edition

What happens when you tape a QR code to a lamppost?

Aug 5 • Eric Bolton and Brook Constantz

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts