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Luxury supersonic jet will fly from NY to London in 3 hours
(interestingengineering.com)
This is a most excellent place for technology news and articles.
3D renderings are certainly capable of doing any type of magical things. I'll need a demonstrator before this can be entertained as anything but fantasy.
I mean, sonic booms are literally the air infront of the aircraft flying faster than sound being compressed...
So either they found a way around physics, or this is a high school "assume friction and air resistance are 0" caculation.