It's hard to believe that the Challenger disaster happened 30 years ago today. I was in seventh grade at the time, and learned of it in school. First, the announcement over the PA system, then the remainder of the school day was spent watching the coverage on TV.
In case you had started spring cleaning and came across some old 3-D glasses, hold on to them for now. NASA just published pictures of the sun. While the sun is no stranger to the photo shoot, this is the first done in 3-D by STEREO - a spacecraft based binocular vision. In case you... Continue Reading →