4 个月
Space.com on MSNNASA tests cellphone-sized underwater robots for future ocean world missions (video)Engineers at NASA's Jet Propulsion Laboratory recently tested prototypes of miniature, self-propelled robots designed to explore the hidden oceans of distant moons like Europa, Jupiter's icy moon.
Nearly half a century ago, in a Baltimore swimming pool, his small group at Environmental ... configuration and docking concepts for NASA’s Langley Research Center in Hampton, Virginia.
Emma Ogao of Braeburn School collected 27 points to top girls’ 10-11 age group category in Nasa swimming championship ... impressive shows at the 25-metre pool at Aga Khan, Mathangani Kariuki ...
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