Energy & Green Tech

Improving solar cell efficiency with a bucket of water

Looking at your cell phone, you realize the battery is low, which means you have to make another long walk into town to pay money to charge the device. By the time you get home, it's getting dark. You light the kerosene lamp ...

Business

Europe's auto suppliers reach the end of the road

Emrullah Karaca has made brakes for the past 20 years, but he is now learning to assemble heat pumps instead, as the Continental factory where he works in northern Germany is slated to close.

Automotive

The tech refugees bringing Tesla software chops to every car

It's about the software, silly. For all of Tesla's battery wizardry, the company's equally impressive coup has been creating a vehicle that can be updated and improved from afar as easily as a smartphone. And while other ...

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