Obviously they were assuming balloons were filled with supervacuum. We have had 100 years and not invented even that.

Truly we have failed our ancestors.

In Finland there is a party whose social feed was full of line items from the national budget they thought worth eliminating.

It’s really the only time when I’ve seen someone really take a look at the budget and try to figure out how to save from the non-essentials instead of arguing about how much to spend on eg. Hospitals vs defence.