Silicon solar cells at the photovoltaic solar power plant on the appropriately named Mont Soleil in the Bernese Jura mountains
(Keystone/Gaetan Bally)
Keystone
The Paul Scherrer Institute's solar oven can concentrate the sun's rays by up to a factor of 5,000.
(PSI)
PSI
These solar cells by Flisom, a spin-off of the Federal Institute of Technology Zurich, are lightweight and flexible.
(Keystone/Gaetan Bally)
Keystone
The Spirit of Biel-Bienne won the World Solar Challenge for solar-powered vehicles in Australia in 1990.
(Keystone)
Keystone
A picture montage showing the Swiss solar submarine "Goldfisch", a project presented in 2008.
(Keystone/Photopress/BKW)
Keystone
A solar-powered kick scooter was available to visitors to the Expo.02 in 2002
(Keystone/Sandro Campardo)
Keystone
The Tour de Sol in Switzerland was the first rally for sun-powered vehicles. It ran annually from 1985 to 1993.
(RDB/Felix Aeberli)
RDB
The solar catamaran MS TÛRANOR PlanetSolar has almost 540m² of photovoltaic solar panels
(Keystone/Dominic Favre)
Keystone
The sun-powered plane Solar Impulse completed its first night flight in July 2010
(Keystone/Dominic Favre)
Keystone
The Monte Rosa Hut is designed to obtain 90 per cent of its power needs from the sun
(Keystone/Martin Rütschi)
Keystone
Bern’s Stade de Suisse has one of the largest solar rooftops in the world
(Keystone/BKW/Stephan Bögli)
Keystone
Solar panels on skyscrapers on the outskirts of Muri, near the Swiss capital, Bern
(Keystone/Gaetan Bally)
Keystone
An environmentally friendly house in Nesslau, northern Switzerland, which has solar panels to heat up the water
(Keystone/Gaetan Bally)
Keystone
Swiss achievements using the power of the sun.
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Solar cells, a sun-powered stadium, plane, boat and even a submarine.
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