ahlam1399
04-24-2016, 04:42 PM
Solar Impulse 2 flew for three days from Hawaii to Calif., after a nine month delay for repairs. The team is aiming to complete a round-the-world journey using only the sun's power.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/04/24/475473222/experimental-solar-powered-plane-completes-journey-across-the-pacific?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/04/24/475473222/experimental-solar-powered-plane-completes-journey-across-the-pacific?utm_medium=RSS&utm_campaign=news)