The engineers: Flying at the edge

Aviation is being reimagined for a changing planet: Vertical take-off passenger cars for city centres. Hydrogen powered planes for zero carbon travel. Hyper-sonic flights to take the London to Sydney journey to under two hours. Kelly Latimer, US Aerospace engineer, flight test pilot, and former Flight Test Director of Virgin Galactic; Rob Miller, Net-zero aviation pioneer and Director of the Whittle Lab at Cambridge University, UK and Daniel Moczydlower, president of the Brazilian future aircraft innovators, Embraer-X, join BBC presenter Caroline Steel on stage in London, to discuss their trailblazing work and answer questions from a live audience at the Royal Geographical Society, London.