Elon Musk’s latest idea is to revolutionize travel by using reusable rockets to cross the globe in under an hour. While a flashy video shows London to Dubai in 29 minutes, experts warn there are many hurdles safety, costs, regulations, and logistical challenges that make it unlikely to be practical soon. Some believe faster airplanes could be a more realistic alternative. Still, Musk continues to push the boundaries of what's possible, leaving us wondering what’s next.