Maglev bullet trains promise a future where steel wheels and clattering rails give way to smooth, floating speed. Yet the reality on today’s tracks is more nuanced, with some systems gliding entirely ...

(CNN) — At 186 miles per hour, the landscape starts to blur. A mile disappears every 20 seconds. An entire town can blink by in the time it takes to remember its name. High-speed trains are, as the ...