See https://news.ycombinator.com/item?id=50134694 Since you two seems to disagree. Unless it’s a case of different volumes needing different transport.
The linked article title says “flown” but that could be expressive; is there any definitive evidence of the actual transport mechanism?
The linked article title says “flown” but that could be expressive; is there any definitive evidence of the actual transport mechanism?