The prospects for carbon-neutral vehicles could get a boost from a new way to make hydrogen from biomass.
Data mining Wikipedia people reveals some surprising differences in the way eastern and western cultures identify important figures in history, say computational anthropologists.
Routers on 600 buses and taxis allow free Internet access and collect data for city planners.
To translate one language into another, find the linear transformation that maps one to the other. Simple, say a team of Google engineers
Field experiments in rural India have revealed a cheap and simple way to find the best connected individuals in any social network–just ask the people.
A new process uses a high-energy ion accelerator to make thin silicon solar cells.
The company thinks its novel solar technology can take on competitors in China.
The way gravity effects quantum particles proves that it cannot be an emergent phenomenon, says physicist.