Even after debuting at the 1893 Chicago World's Fair, moving walkways still haven't made the leap to city streets. By Bill Gourgey Published Apr 3, 2026 9:00 AM EDT Add Popular Science (opens in a new ...

A new plan from City Hall could mean fewer dark scaffolding tunnels and more open sidewalks across the five boroughs. If you’ve ever walked under a dim tunnel of green plywood and wondered whether the ...

You can even use items from your pantry. In summer’s heat, you may appreciate the shade on the sidewalk leading up to your house. But the cool environment along with moisture and dirt is also a good ...

One evening in the early 1970s, Michael Pachovas and a few friends wheeled themselves to a curb in Berkeley, Calif., poured cement into the form of a crude ramp, and rolled off into the night. 1 For ...

Residents of Richmond’s historic Highland Park neighborhood are a few minutes’ walk from the bustling Brookland Park Boulevard business district. Nearby, the Cannon Creek Greenway welcomes pedestrians ...