Love this site, because it allows to the back-channel or have a conversation with people that you are sitting in a conference, class, or meeting with. It also allows you to share and compare notes, as well as collaborate with your colleagues.
Discover the history and future of space exploration with these fun interactive learning games. Meet astronauts John Glenn and Mae Jemison and read transcripts from interviews with Buzz Aldrin and Sally Ride. Learn about the top 20 space firsts, see space photographs, create a timeline, and more. Includes teacher's guide, with suggested online and offline cross-curricular activities.