Dressed in a flannel skirt with trousers underneath, on July 22, 1871, British mountaineer Lucy Walker (1836-1916) reached the top of the Matterhorn (4,478 m/14,692 ft). She was the first woman to do so. Before that exploit, in 1870, Walker made the first female ascent of the Aiguille Verte (4,122 m/13,524 ft) in the Mont […]

Everyone’s talking about it! And it’s great news. Solar Impulse, the Swiss long-range solar-powered aircraft, took off this week to fly around the world without a drop of fuel. Instead, the plane uses solar power and can fly day and night on that energy. Follow pilots Bertrand Piccard and André Borschberg on their journey around the […]

What is Solar Impulse? It’s already quite well known, but here’s how it’s described on the Solar Impulse website: “The gigantic, but ultra-lightweight dimensions of this revolutionary airplane – capable of flying day and night without fuel – are its trademark feature.” It’s a long-range solar powered plane whose challenge is to fly around the […]