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

Ultrafast Trades Trigger Black Swan Events Every Day, Say Econophysicists

The US financial markets have suffered over 18,000 extreme price changes caused by ultrafast trading, according to a new study of market data between 2006 and 2011

Cartels Are an Emergent Phenomenon, Say Complexity Theorists

Under certain market conditions, cartels arise naturally without collusion. This raises important questions over how the behavior should be controlled.

Kodak's Missed Opportunities

The wheels of fate that led the photography company into Chapter 11 began spinning in 1975.

Statisticians Reveal What Makes America Happy

A statistical analysis of attitudes in the U.S. reveals the main determinants of happiness but also suggests that interpreting the data is fraught with danger,

Physicists Develop 'Weather Forecast' For Purchasing Decisions

A new model of human interactions predicts how many people will purchase a product when a seller advertises it

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