Via Nova Spivacks Twitter account: “See this video of flight in U2 to 70,000 feet. I went to nearly 90,000 in 1999. This gives a good feel for it. http://bit.ly/14WdGJ”

Space flights will be quite ordinary in 2025. That’s a little more than 15 years from now. I may still live then.

For our think tank long term future.