Briefings

Technology Review's primers on key emerging technologies.

Social Networks

These online communities are redefining how we find and share information, but will operators be able to assuage privacy concerns?

More Briefings | Mobile Devices | Private Spaceflight | The Smart Grid | Mobile Communications | Fuels

Seismic Metamaterials Could Cloak Dams and Power Stations

Metamaterials that absorb seismic waves rather than steer them, might be a better way to protect some buildings, say engineers

Artificial Braneworlds Made to Collide In Lab

Physicists have simulated two universes colliding inside a metamaterial

Metamaterials Generate Gecko-Like Adhesive Force

Physicists predict that metamaterials ought to generate an entirely new kind of force that can be turned on and off with the flick of a switch

The Puzzle of 3-D Images from a Single Shot

Researchers debate whether it's possible to reconstruct the 3-D structure of a biomolecule from a single image.

Giant Casimir Effect Predicted Inside Metamaterials

Exotic materials should lead to new ways of observing and playing with one of the strangest effects in physics, say Chinese physicists.

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