CITY TRAFFIC

THE PROBLEM Congestion caused by commuters carries an annual price tag of $121 billion in wasted time and fuel costs. The average American who drives to work wastes 38 hours in traffic each year. THE INNOVATION City planning authorities increasingly prioritize pedestrians and cyclists over cars. A commitment to public transportation also signals the end of the age when cars […]

Read more

Galactic turmoil ahead

The Milky Way and its closest neighbor, the Andromeda galaxy, are on course for “ a head-on collision,” says astronomer Roeland van der Marel of the Space Telescope Science Institute. But no need for precautions because the crash won’t happen for another 4 billion years. Researchers have long known that Andromeda, currently some 2.5 million light-years away, is moving toward […]

Read more
1 293 294 295 296 297 455