The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Amazon's new Echo Studio is one of two speakers that allow you to use Alexa Home Theater to its full potential. (Billy Steele for Engadget) When Amazon’s latest Echo speakers arrived in October, a ...

December 18, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Deal pricing and availability subject to change after time ...

Follow ZDNET: Add us as a preferred source on Google. Inside our homes, though, Amazon Alexa has become the most popular virtual assistant in the US and around the world, as a widely adopted virtual ...