[extropy-chat] balloon stations at the edge of space

[John K Clark]

"Mike Lorrey" <mlorrey at yahoo.com> Wrote:

>Vacuum balloons, while a nice SF fantasy, are not physically practical

How about using a conventional balloon to get up to 150,000 feet or so and
then start your vacuum pump to get rid of the air in the vacuum balloon. It
wouldn't have to be nearly as strong or heavy as one launched at sea level.

  John K Clark     jonkc at att.net