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The Rise Of Roomba And iRobot

Since its release, Roomba has become synonymous with robot vacuums. Worldwide sales of consumer robots reached $5.6 billion in 2018 and that's in no small ...

Why The US Has No High-Speed Rail

China has the world's fastest and largest high-speed rail network — more than 19000 miles, the vast majority of which was built in the past decade. Japan's ...