Visioneering 2012 - The Launch Pad - This post describes this year's X PRIZE Foundation event where problems and potential X PRIZEs to solve those problems are reviewed by prominent innovators. It also gives some social media accounts to check to see how the event is going. It's held April 20-21. Participants include @AnoushehAnsari, @PaulGAllen, @gtwhitesides, and many others.
International Space Apps Challenge Is Happening This Weekend - NASAHackSpace
@SLI_1MILEHIGH - NASA Student Launch Initiative - Originally scheduled for April 21, this is being moved to April 22 due to weather. See more at Student Launch Initiative.
Create NASA Earth Day Video, Win Seats To A Launch - NASA Earth