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Flying cars have long been a symbol of the future. They could be zipping around soon! You missed the school bus, so your call a car service. Soon, a flying vehicle appears. It lands in front of your home and…
A big idea called the Hyperloop could someday change how people travel. But the technology still has a long way to go. Three years ago, technology billionaire Elon Musk shared a big idea. He proposed a new kind of transportation…
