On Openness

What freedom attracts.
By Jason Pontin

Contributors

Letters and Comments from Our Readers

Cleaning Coal

Converting coal to natural gas is our best strategy for limiting carbon emissions.
By Andrew Perlman

A Consumer Revolution

Our collective demand for environmental responsibility has stimulated the market.
By Christina Lampe-Onnerud

Biological Solar

Combining synthetic biology and solar technology could trap carbon dioxide and produce fuel.
By David Berry

Aneesh Chopra, National CTO

The presidential adviser explains how information technology can reboot America.
By David Talbot

EmTech@MIT Preview: Greening IT

A special notice from the publisher of Technology Review: as companies wake up to the need for datacenter efficiency, they are faced with a bewildering array of problems.

Surface Restoration

Engineers restore high-resolution photos of the moon.
By Katherine Bourzac

Electricity

Greenhouse gas emissions from fossil fuel–based electricity generation are a major contributor to climate change. How can we make zero-emission technologies more than just a sideshow? Explore articles, video, and interactive diagrams.

In Vino Veritas

Winemakers jaded by organic farming have turned to biodynamics.
By Corby Kummer

Entangled Light, Quantum Money

The challenges and financial possibilities of building quantum networks.
By Mark Williams

When a Good Idea Works

Purity, openness, and simplicity are engines of design.
By John Maeda

Smart Meter

How secure are meters that monitor the smart grid?
By Erica Naone

A Touch of Ingenuity

An inexpensive pressure-sensitive pad could make surfaces smarter.
By Kate Greene

Making a Pressure-Sensitive Pad

Information Technology

Biomedicine

Materials