A new era of supersonic flight is almost here. But nobody can agree on the right speed
A new era of supersonic flight is almost here. But nobody can agree on the right speed
Three startups are racing to create the next generation of supersonic planes — and they're set to go faster than ever before.
June 2, 2018 at 04:07AM
"Continue" https://ift.tt/2kDJ6b4
