While Concorde may have offered supersonic transatlantic flights, startups like Destinus and Hermeus have ambitions to ferry passengers hypersonically at 5 times the speed of sound. That would enable you to travel from Sydney to Frankfurt in 4 hours as opposed to 20. But right now the companies are still building small models and testing engines. So will hypersonic flight ever be a reality?

0:00 Hypersonic flight could redefine how we travel the globe
0:39 The Ramjet/Scramjet has been featured in Top Gun: Maverick
1:41 Destinus and Hermeus want to fly at hypersonic speeds
2:30 Tests, models and contracts
3:17 Unanswered questions

I'm George Downs, a WSJ video journalist fascinated by how technology is changing how we get from A to B. If you're interested in the future of mobility or how modern transportation—from EVs to eVTOLs, and beyond— can impact our lives, then don't forget to subscribe.

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