and burt rutan, backed by bill gates. built it. >> that became being spaceship 1. >> and richard branson built virgin galactic. >> i've got a mold of spaceship 1 signed by you. where did you get the $10 million from? >> we got it from the ansari family. under the arch in st. louis announcing this $10 million prize, actually didn't have $10 million back then. the xprize foundation was based on extraordinary exponential technologies. the first one who does this, i don't care where you went to school, you solve this, you win. >> a lot of people think of the biggest things we do, they cost money and cost years and years of research. rightly or wrongly, people associate that with things government should be doing. >> yep, yep, it's changing. we're heading into a period of time where we'll solve our grand challenges. i believe there isn't a problem we can't solve. it used to be you would only go to governments. government's i don't know was handling only the big problems. then it turned into government and big companies. but to