Slate mentions the research of American Robert H. Goddard, on solid (powder) rocket engines. Image of Dr. Goddard. Pictures of other rocket scientists: Max Valier and Johannes Winkler in Germany. Books written by these scientists are also seen. "A method of reaching extreme altitude", "Liquid propellant rocket development" project reports, front page of a book written by Max Valier and "Die Rockete- 1927" a book written by Johannes Winkler are animated.
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Type | Size | Price (USD) Comprehensive All Media License |
Price (USD) Digital-Only License |
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HD Master, Broadcast-ready (1920x1080, unmarked) | 2379 MB | $225.00 | $79.00 |
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