The Online Map Wars
Inspired by Wikipedia, Waze lets app users draw its maps.
Police hope terahertz-scanning devices can be more effective than patting people down, but civil rights groups are wary.
Researchers show how simple programs posing as real people can shape interactions on Twitter.
The results show that the treatment can be safe, but whether it can be effective is another question.
A nine-nanometer device shows that nanotubes could be a viable alternative to silicon as electronics get even tinier.
Inspired by Wikipedia, Waze lets app users draw its maps.
A network of fast battery-switching stations offers an unusual business model for electric cars.
An app named Evi uses semantic data to provide a wider range of answers.
Advances are opening solar to the 1.3 billion people who don't have access to grid electricity.
Instead of blocking attacks, a startup distracts attackers with false information.
Kendall Research's devices could make optogenetics research much more practical.
A system with foot-level cameras aims to cure the problem of multiple people using one touch screen.
Well shutdowns prompted by fracking-induced seismicity may inspire technology tweaks.
The site can now provide summaries and stats that offer a window on your life months or years in the past.
Joule Unlimited will build a production plant for turning sunlight and CO2 into liquid fuels.
The effort combines a variety of data-driven approaches.
Such materials could be used to cool computers and buildings, and harvest waste heat in cars.
A Technology Review Special Report focusing on innovations in alternative energy sources and the technologies driving them.
One columnist wondered whether democracy was nimble enough to compete with tyranny.
By David J. Rose
Enormous difficulties have developed in the attempt to control the energy of the stars. But that is inevitable at this stage of humankind's largest technological venture.
Who are the best young innovators from around the world? We're taking nominations for the 2012 edition of the TR35.
Our list of the 50 most innovative companies, including the following: