Picture of the Day: How We (Might) Keep Killer Meteors at Bay

More

gravity615.jpg

NASA

How will humanity keep enormous, Earth-obliterating meterors away? In 2005, two NASA scientists proposed a gravitational tractor. Stick a 20-ton, nuclear-powered ion-drive space ship next to an asteroid, they said, and through methodical maintenance, the two objects will attract each other -- so much that the asteroid's course will be shifted, and it won't hit our planet. 

Below, recent Pictures of the Day:

Jump to comments
Presented by

Robinson Meyer is an associate editor at The Atlantic, where he covers technology.

Get Today's Top Stories in Your Inbox (preview)

Why Are Americans So Bad at Saving Money?

The US is particularly miserable at putting aside money for the future. Should we blame our paychecks or our psychology?


Elsewhere on the web

Join the Discussion

After you comment, click Post. If you’re not already logged in you will be asked to log in or register. blog comments powered by Disqus

Video

The Death of Film

You'll never hear the whirring sound of a projector again.

Video

How to Hunt With Poison Darts

A Borneo hunter explains one of his tribe's oldest customs: the art of the blowpipe

Video

A Delightful, Pixar-Inspired Cartoon

An action figure and his reluctant sidekick trek across a kitchen in search of treasure.

Video

I Am an Undocumented Immigrant

"I look like a typical young American."

Video

Why Did I Study Physics?

Using hand-drawn cartoons to explain an academic passion

Writers

Up
Down

More in Technology

Just In