Security

Ransomware attack before holiday leaves companies scrambling

Businesses around the world rushed Saturday to contain a ransomware attack that has paralyzed their computer networks, a situation complicated in the U.S. by offices lightly staffed at the start of the Fourth of July holiday ...

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 ...

Consumer & Gadgets

Amazon's new fees on sellers likened to 'kick in the gut'

Amazon.com Inc. merchants have found themselves caught in an economic vice. Earlier this year, the e-commerce giant rolled out changes to the fees its charges them—essentially shifting more of its operating costs onto the ...

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