We explored a lot of topics today.
NASA space travel posters.
http://www.jpl.nasa.gov/visions-of-the-future/
Asteroid Mining
https://deepspaceindustries.com
http://www.planetaryresources.com/#home-intro
https://www.nasa.gov/mission_pages/asteroids/initiative/index.html
Virtual Mars Base Tour
http://www.exploremarsnow.org/
