China is one of the few countries building, testing and operating maglev trains at scale. Its latest experimental high-speed trials spotlight this technology that allows trains to float above the track and accelerate without wheels. How does it work? Here’s a quick explainer
As Buffett steps away after decades at Berkshire Hathaway, here’s a look at the biggest bets that defined his philosophy—steady conviction, long term thinking, and a focus on great businesses bought at the right price.
