Solar-powered aircraft lands in Silicon Valley

Solar Impulse 2, a solar-powered aircraft that's circumnavigating the globe without using a single drop of fuel, arrived in Silicon Valley on Saturday evening.The aircraft had taken off from Hawaii just under 63 hours earlier to complete its journey across the Pacific."Good morning California," pilot Bertrand Piccard shouted as he stepped out of the aircraft at just after midnight on Sunday morning to cheers. Around 100 people had been invited to the airfield to watch the plane land, including G