ZEHST the world's first hypersonic plane unveiled, travels at 5029km/h

heraldsun.com.au

2 pointsPaulosborne3 comments

40 years until the first passeger flight?! That's eons in terms of transport and energy technology development

yeah, what he said

Funny that - Concorde from drawing board to maiden voyage was what - 12 years ? JFK's speech to moon landing - 8 or 9 years ?

Seems that despite all the advances in computer modelling etc we're going backwards.