Pioneering Swiss solar-powered plane rolled out

Solar Impulse, the Swiss bid to make the first solar-powered flight around the world, rolled out its prototype on Friday at an airbase near Zurich and powered up the engines.

Unexpectedly slow motions below the Sun's surface

(Phys.org) -- The interior motions of the Sun are much slower than predicted. Rather than moving at the speed of a jet plane (as previously understood) the plasma flows at a walking pace. The result of this new study, whose ...

Swiss unveil stratospheric solar plane

Just months after two Swiss pilots completed a historic round-the-world trip in a Sun-powered plane, another Swiss adventurer on Wednesday unveiled a solar plane aimed at reaching the stratosphere.

Solar Impulse 2 sets distance record

Solar Impulse 2 has broken a distance record for solar-powered planes as part of its bid to be the first to circumnavigate the globe powered solely by the sun.

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