NASA, Uber set sights on flying taxis

摘要

Imagine hailing an Uber that flies at 200 mph at low altitudes.rnThe ride-hailing company hopes to make that a reality by 2023. It unveiled an artist's conceptrnof the vehicle today at a technology conference in Portugal.rnThe taxi, meant to save time by sailing over traffic, would run on batteries and contain fixedrnrotors and wings (AP/New York Times, Nov. 8).