Deflecting Asteroids
A solar sail could use light to nudge an earthbound rock into an orbit we could live with
April 2012
Geek Life | Cover Story
Marissa Mayer: Google’s Chic Geek
This self-proclaimed “girly girl” runs one of Google’s fastest-growing services
By Tekla S. PerryFeatures
Update
Europe Looks to North America’s Forests to Meet Renewable Energy Goals
Emissions reductions, however, may prove smaller and slower than once expected
Graphene’s New Rival
Molybdenum disulfide helps graphene transistors work better—and it makes good nanocircuits on its own, too
Six Paths to Longer Battery Life
These six technologies could save on smartphone power
Opinion
Occupy English
The 99 percenters now have new ways to talk about the other 1 percent
The World According to DARPA
The most famous name in American innovation today isn’t Apple or Google. It’s DARPA. Here’s why
Departments
LNG Rising
Shipping liquefied natural gas is safe, but the number of shipments has exploded
Review: Liars & Outliers
Bruce Schneier’s new book explores the relationships of trust on which civilization depends
Searching for the Aakash
Yet another ultra-inexpensive computer project falls short of the mark
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