demographic issues we face in nasa with so much of the workforce being over 50 years of age the nasa aamesacility is located in a key part of the country and there's synergy between what's going on and the tech community and nasa aames and although it's very expensive to live in santa clara, actually they just built housing for nasa employees so it's possible to maintain that synergy. i am just wondering in terms of -- that facility, as well as others that are co-located with technology centers. what further we can do to move top scientists away from better paying jobs into the agency to make young people who are smart and who are good scientists want to work ins ina if anybody has an answer to that. >> i'll take a try at it. i think what the young people want now is similar to what the young people wanted when i got out of school. they want exciting work. they want to know that they have an opportunity to make a difference and they want to help solve today and future problems, and i think providing those and then in addition to the infrastructure options that you have described would be e