Researchers have found a way to augment ordinary silicon solar cells with a material called a perovskite.
Capital and engineering talent have been flocking to seemingly trivial mobile apps. But would we really be better off if more startups instead went directly after big problems?
The first network analysis of the entire body of European Community legislation reveals the pattern of links between laws and their resilience to change.
Carmakers must also push out more of the cleaner vehicles to meet average fleet emissions standards.
After great success in East Africa, mobile-phone wallet M-Pesa hit some bumps in South Africa.
Payment apps are all the rage. But how well do they work?
A Bitcoin update, worthwhile further reading, and a list of upcoming events focused on payments, commerce, and banking.
Economist Simon Johnson examines how a “revolution in payments” could affect companies and communities.
As mobile payments become more common, thieves will be more likely to target them.