April 29 is the official launch date for space shuttle Endeavour on STS-134. That announcement came at the conclusion of the mission’s Flight Readiness Review, where shuttle managers expressed satisfaction with the preparations for the program’s next-to-last flight. Launch is scheduled for 3:47 p.m. Eastern. Also, developing new ways to low-Earth orbit; putting the freeze on Webb’s mirror; Hubble turns 21; NASA’s Earth Day; soaring student rockets; do the Logo Motion; and Yuri’s Night at Langley.
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How Instant Snow Polymer Works
Steve Spangler explains how his fake snow Insta-Snow polymer works and gives some cool demonstration ideas.