ahlam1399
11-08-2017, 04:18 PM
http://static-global-s-msn-com.akamaized.net/img-resizer/tenant/amp/entityid/BBEHUyp.img?h=100&w=100&m=6&q=60&o=f&l=f&x=1402&y=711Nasa?s Advanced Air Transport Technology Project is working on new tech that can provide commercial aircraft with better efficiency with less noise and fewer emissions.
أكثر... (http://www.msn.com/en-ca/video/science/nasa-plans-to-revolutionize-aircraft-industry-with-this-new-concept/vi-BBEId9p?srcref=rss)
أكثر... (http://www.msn.com/en-ca/video/science/nasa-plans-to-revolutionize-aircraft-industry-with-this-new-concept/vi-BBEId9p?srcref=rss)