Backed by Bill Gates, the startup wants to make wind- and solar-energy storage more reliable.
Daniel Terdiman hits the road yet again, this time to find the tech and science hot spots in the Rockies and Great Plains. You're invited to follow along on his travels--without getting the left-arm sunburn.
There's plenty of enthusiasm for funding the latest green-tech or alternative-fuel company. The problem is the economy stinks, and doesn't look like it will improve anytime soon.
Twitter CEO Dick Costolo is out after months of disappointing investors. Twitter co-founder Jack Dorsey becomes interim CEO on July 1.
In a $1.25 billion deal, GreatPoint Energy's coal-to-natural gas technology will be built in China, the first large-scale plant for that technology in the world.
Silicon Valley's male-dominated culture could cost the technology industry the thing it values most: innovation.
The acquisition follows an accusation of patent infringement against the Chinese company.
The ride-hailing service acquires deCarta to amp up its carpooling feature and the way it figures out passengers' ETAs.
The tech giant has been using N-trig's styluses for its Surface tablet line, which is now a billion-dollar business.
Mobile video service Rounds raises $12 million, giving it a bit more ammunition to compete in the messaging app world.
The purchases bring former Zynga executive Mike Verdu on as an executive ahead of eventual public offering.