The cofounder of the security company CrowdStrike wants to help cyberattack victims strike back.
The U.S. president promises to change the NSA’s snooping practices, but falls short of substantial reforms.
An ingenious solar sticker made with techniques drawn from nanotechnology could turn almost any surface into a source of power.
A new approach to encryption beats attackers by presenting them with fake data.
A low-power, multiroom sensor network watches for drips and runs on a coin-cell battery.
In much of the world, the concept of “net neutrality” generates less public debate, given there’s no affordable Net in the first place.
The mPedigree Network, based in Ghana, lets people determine with a text message whether their medicine is legitimate.
Marshall Scholar Colleen Loynachan tackles materials science problems with a photographer’s perspective.
Rice University is testing a highly efficient wireless communications system.
Optimization technology is reshaping publishers’ decision-making process—and the Web itself.