New 'space plane' promises UK-Australia in 4 hours

Flight times from London to Sydney could be 80% shorter by the 2030s, should a hypersonic rocket engine being developed in the UK get off the ground.
Read more: https://edition.cnn.com/travel/article/hypersonic-flight-air-breathing-rocket-scli-intl-gbr-scn/index.html?source=Snapzu