Portal:Technology/DYK/15

... that the Chemical Automatics Design Bureau produced the Soviet Union's only operational nuclear rocket engine?
... that the Persian king Cyrus the Younger invented the scythed chariot (pictured)?
... that Mercedes Reaves, a Puerto Rican research engineer and scientist, is responsible for the design of a viable, full-scale solar sail at the NASA Langley Research Center?

More did you know

Source

Wikipedia:Recent additions NUMBER, Numbered archive of Main Page appearance.
Wikipedia:Recent additions NUMBER, Numbered archive of Main Page appearance.
Wikipedia:Recent additions NUMBER, Numbered archive of Main Page appearance.

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