a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment
mike  ·  3278 days ago  ·  link  ·    ·  parent  ·  post: Want to mail Mars? Better start saving.

It's an interesting modeling question. They calculated 100 grams : total weight = cost of letter : total cost of mission.

Is that the right payment scheme?