Carbon Capture Moves Ahead

Blue Source demonstrates a remediation system that could capture carbon dioxide at advanced coal plants.

Tiny, Sensitive Magnetic-Field Detectors

Arrays of cheap magnetic sensors could detect improvised explosive devices.

Preserving One Web

The W3C hopes that its new tool will help developers build websites that will work well on any device, be it a phone or a video-game console.

VIDEO: Twitter and Ambient Intimacy

How Evan Williams created the new social medium of microblogging.

Improving Fuel Cells for Cars

A new method for making ultrathin materials could lead to better fuel cells.

Gadgets to Spur Energy Conservation

When the box turns red, it's time to turn off the air conditioner and save electricity.

Carbon-Dioxide Plastic Gets Funding

A startup is moving ahead with an efficient method to make biodegradable plastic.

Focusing Light on Silicon Beads

Placing tiny spheres of silicon in reflective trays could be the key to cheap, efficient solar cells.

The High-Tech Search for Amelia Earhart!

Here’s an interesting video from WSJ Online about new wrinkles in the never-ending search for high-profile flier Amelia Earhart, including using new gadgets like an autonomous underwater vehicle and magnetometers.

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Software That Knows What You Like

Cleverset's approach to e-commerce exposes consumers to the long tail.

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