Solar Impulse’s first international flight

Posté le 15 mai 2011 de Toni G.

Andre Borschberg took off from Switzerland, flew across France,then Luxembourg, and Belgium, and finally landed safely thanks to the sunlight-powered HB-SIA Solar Impulse in Brussels in the evening of May 13, 2011. Bertrand Piccard was there:

NUCLEAR REACTOR MELTDOWN EXPLAINED

Posté le 13 mars 2011 de Toni G.

« Meltdown » means « the accidental melting of the core of a nuclear reactor », and literally after that, a large displacement of radiation throughout the entire atmosphere. Here is how it works (VIDEO):