What Leisure Means for People Who Are Homeless
It's a human right to have opportunities for rest and time off. Even if you live on the streets.
Are Smart Cities a Wise Idea?
When Google runs a smart city, who owns the data?
The 4 Questions to Ask before You Unplug
If you're concerned about the internet's effects on the world and on yourself, unplugging might not be the answer.
Why Is It So Much Hotter in the City?
On a sunny day, a city can be several degrees warmer than the surrounding countryside. Could better building materials make cities absorb less heat?
To Save Civilization, Hang Up Your Phone
It's uniquely annoying to listen to one side of someone else's cellphone call. Our technology columnist examines why that is.
Do Security Robots Signal the Death of Public Space?
A security robot targets the homeless, raising questions about whether private companies can expand their security detail to public spaces like sidewalks.